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Parameter Specification
Product Type PCB Screw Terminal Block Connector
Mounting Type PCB Through Hole (THT)
Number of Pins 4 Pin
Connection Type Screw Clamp
Pitch 5.00 mm / 5.08 mm (typical)
Wire Entry Top Entry
Terminal Type Barrier Type
Color Grey / Black / Green / Red
Contact Material Brass / Copper Alloy
Contact Plating Tin Plated
Housing Material PA66 / Thermoplastic
Flammability Rating UL94V-0
Rated Voltage 250V – 300V AC
Rated Current 8A – 15A
Wire Size 26AWG – 12AWG
Operating Temperature -40°C to +105°C
Screw Type M3 Steel Screw
Mounting Orientation Vertical PCB Mount
Approximate Dimensions
Dimension Value
Pin Pitch 5.08 mm
Total Length (4 Pin) ~20.3 mm
Width ~8 – 10 mm
Height ~12 – 15 mm
PCB Pin Diameter ~1.0 mm
Recommended PCB Hole 1.2 – 1.4 mm
Features
Easy wire connection using screws
Strong mechanical holding
Suitable for power and signal connections
Reusable and maintenance friendly
Commonly used in SMPS, UPS, industrial PCB, control panels, audio amplifiers
Applications
Power supply boards
Industrial controllers
Battery chargers
LED drivers
Automation systems
Audio equipment
Inverter PCBs
Typical Electrical Ratings
Rating Value
Current Rating 10A typical
Voltage Rating 300V AC
Insulation Resistance ≥1000MΩ
Dielectric Strength 2KV AC
These specifications are based on standard PCB terminal block series commonly available in electronics markets.
A Screw Less PCB Terminal Block is an advanced electrical connector designed to provide fast, secure, and maintenance-free wire connections on printed circuit boards (PCBs) without the need for screws. Unlike traditional screw terminal blocks that require tools for tightening wires, screw less terminal blocks use a spring clamp or push-in mechanism to hold the wire firmly in place. This modern design significantly improves installation speed, reduces wiring errors, and ensures reliable electrical connections in a wide range of electronic applications.
Screw less PCB terminal blocks are widely used in industrial automation systems, LED lighting equipment, power supplies, communication devices, control panels, and consumer electronics where compact design and reliable connectivity are essential. These connectors are manufactured using high-quality flame-retardant engineering plastic and high-conductivity metal contacts, ensuring excellent electrical performance and long-lasting durability.
Because of their tool-free wiring capability, screw less PCB terminal blocks are highly preferred in modern electronic manufacturing and assembly lines. They provide a safe and convenient method for connecting wires while maintaining consistent contact pressure and reducing the risk of loose connections caused by vibration or thermal expansion.
Key Features of Screw Less PCB Terminal Blocks
1. Tool-Free Wiring System
One of the biggest advantages of screw less PCB terminal blocks is their tool-free installation. Wires can be easily inserted into the terminal slot, and the internal spring clamp automatically secures the conductor.
2. Fast Installation
Screw less terminal blocks enable quick and efficient wiring, reducing assembly time in electronic manufacturing and electrical installations.
3. Reliable Electrical Contact
The internal spring-loaded metal clamp provides consistent pressure on the wire, ensuring stable electrical contact and minimizing resistance.
4. Compact PCB Design
These terminal blocks are designed to occupy minimal PCB space, making them ideal for modern electronic devices that require compact and high-density circuit layouts.
5. High Durability
Screw less PCB terminal blocks are made from high-strength and flame-retardant plastic materials such as PA66, ensuring resistance to heat, impact, and electrical stress.
6. Vibration Resistance
Unlike screw-based connectors that can loosen over time, the spring clamp mechanism ensures secure connections even in high-vibration environments.
7. Multiple Pin Configurations
Screw less PCB terminal blocks are available in various configurations such as 2 pin, 3 pin, 4 pin, 5 pin, and multi-pin connectors, providing flexibility for different circuit designs.
Technical Specifications
Typical technical specifications of screw less PCB terminal blocks include:
Connection Type: Spring clamp / Push-in type
Mounting Type: PCB mount (through-hole)
Pitch Size: 2.54mm, 3.5mm, 5.0mm, 5.08mm
Rated Voltage: Up to 250V – 300V
Rated Current: 8A – 16A
Housing Material: Flame-retardant PA66
Contact Material: Tin-plated copper alloy
Operating Temperature Range: –40°C to +105°C
Wire Size: 22 AWG – 14 AWG
These specifications may vary depending on the product model and manufacturer.
Applications of Screw Less PCB Terminal Blocks
Screw less PCB terminal blocks are widely used in many electronic and electrical systems due to their efficiency and reliability.
Industrial Automation
Used in PLC modules, control panels, and automation equipment where secure wiring connections are essential.
LED Lighting Systems
Commonly used in LED drivers, lighting controllers, and smart lighting circuits to provide quick and safe electrical connections.
Power Supply Equipment
Installed in switch mode power supplies (SMPS), battery chargers, and voltage regulators to ensure stable electrical contact.
Consumer Electronics
Used in devices such as home appliances, audio systems, security systems, and smart home electronics.
Communication Equipment
Networking devices and signal processing systems use screw less terminal blocks for efficient PCB wiring connections.
Advantages Over Traditional Screw Terminal Blocks
Screw less PCB terminal blocks offer several benefits compared to conventional screw terminals:
Faster wiring installation
No screwdriver required
Reduced maintenance
Consistent electrical pressure
Better vibration resistance
Lower risk of loose connections
Improved wiring safety
These advantages make screw less terminal blocks the preferred choice for modern electronic circuit design and industrial applications.
Why Choose High-Quality Screw Less PCB Terminal Blocks?
High-quality screw less PCB terminal blocks ensure long-term reliability, safety, and efficient electrical performance. Premium connectors undergo strict quality testing for mechanical strength, electrical conductivity, and temperature resistance, ensuring they meet industry standards.
Using reliable terminal blocks helps prevent electrical faults, improves system performance, and enhances the durability of electronic devices.
Conclusion
The Screw Less PCB Terminal Block is a modern and efficient electrical connector designed for fast, secure, and tool-free wiring on printed circuit boards. With its spring clamp mechanism, compact design, high conductivity contacts, and durable flame-retardant housing, this terminal block offers excellent performance across a wide range of electronic and industrial applications.
From industrial automation and LED lighting to consumer electronics and communication equipment, screw less PCB terminal blocks provide reliable and convenient wiring solutions. Their quick installation, vibration resistance, and long service life make them an essential component in modern electronic systems.
A Push Type PCB Terminal Block is a modern and highly efficient electrical connector designed to simplify wiring connections on printed circuit boards (PCBs). These terminal blocks use a push-in spring mechanism that allows wires to be inserted quickly without using screws, making installation faster, safer, and more reliable. Push type PCB terminal blocks are widely used in industrial electronics, automation systems, power supplies, control panels, LED drivers, communication equipment, and consumer electronics where secure and stable electrical connections are required.
Manufactured with high-quality flame-retardant engineering plastic and corrosion-resistant metal contacts, push type PCB terminal blocks provide excellent electrical conductivity and long-term reliability. Their compact structure makes them ideal for space-saving PCB designs, while the push-in technology ensures strong wire retention and vibration resistance.
Because of their tool-less wiring capability, push type terminal blocks significantly reduce assembly time and maintenance effort. Technicians simply push the wire into the terminal opening, and the internal spring clamp locks it securely in place. This advanced design ensures consistent electrical contact, reduces wiring errors, and improves overall system safety.
Key Features of Push Type PCB Terminal Blocks
1. Push-In Spring Connection Technology
The most important feature of push type PCB terminal blocks is their push-in spring clamp mechanism. Unlike traditional screw terminals, this design allows wires to be inserted directly into the terminal slot without tightening screws. The spring automatically clamps the conductor, creating a strong and stable electrical connection.
2. Quick and Tool-Free Installation
Push type connectors are designed for fast installation. Electricians and technicians can connect wires within seconds, making them perfect for high-volume production lines and rapid PCB assembly.
3. Compact and Space-Saving Design
Modern electronic devices require compact components. Push type PCB terminal blocks are designed with a small footprint, enabling engineers to optimize PCB space without compromising performance.
4. High Electrical Conductivity
The internal metal contacts are usually made from tin-plated copper alloy or brass, which ensures excellent electrical conductivity and low contact resistance. This helps maintain stable current flow and prevents overheating.
5. Strong Wire Retention
The internal spring mechanism provides high clamping force, ensuring that wires remain securely connected even in environments with vibration or mechanical stress.
6. Durable and Flame-Retardant Housing
Most push type PCB terminal blocks are manufactured from high-temperature resistant and flame-retardant materials such as PA66 (Nylon). This enhances safety and durability in demanding industrial applications.
7. Multiple Pin Configurations
Push type PCB terminal blocks are available in 2 pin, 3 pin, 4 pin, 5 pin, and multi-pin configurations, allowing flexibility for different circuit requirements.
Technical Specifications
Although specifications may vary depending on the model, typical features of push type PCB terminal blocks include:
Connection Type: Push-in spring clamp
Mounting Type: PCB mount (through-hole)
Pitch Size: Commonly 2.54mm, 3.5mm, 5.0mm, or 5.08mm
Rated Voltage: Up to 250V – 300V
Rated Current: 8A – 16A depending on model
Housing Material: Flame-retardant PA66
Contact Material: Tin-plated copper alloy
Operating Temperature: –40°C to +105°C
Wire Size Compatibility: 22 AWG – 14 AWG (depending on design)
These features make push type PCB terminal blocks suitable for both low-power electronics and industrial control circuits.
Applications of Push Type PCB Terminal Blocks
Push type PCB terminal blocks are widely used across many industries because of their reliability and ease of use.
Industrial Automation
They are commonly used in PLC systems, control panels, and industrial automation equipment where secure and vibration-resistant wiring is essential.
Power Supply Systems
Push type terminal blocks are used in switch mode power supplies, voltage regulators, and UPS systems to ensure stable power connections.
LED Lighting Systems
In LED drivers and lighting controllers, push type connectors allow quick and safe wiring of power cables and signal lines.
Consumer Electronics
Many electronic devices such as home appliances, audio equipment, and smart home devices use push type PCB terminal blocks for compact wiring connections.
Communication Equipment
Networking devices, routers, and communication control boards also rely on push type connectors for efficient electrical connections.
Advantages Over Traditional Screw Terminal Blocks
Push type PCB terminal blocks provide several advantages compared to traditional screw terminals:
Faster Wiring Process
No Need for Screwdrivers or Tools
Consistent Contact Pressure
Reduced Maintenance Requirements
Better Resistance to Vibration
Lower Risk of Loose Connections
These benefits make push type connectors the preferred choice in modern electronics manufacturing.
Why Choose High-Quality Push Type PCB Terminal Blocks?
Choosing high-quality push type PCB terminal blocks ensures long-term electrical reliability, safety, and performance. Premium terminal blocks are tested for mechanical strength, temperature resistance, and electrical conductivity to meet international quality standards.
Reliable terminal blocks also reduce maintenance costs, prevent circuit failures, and improve overall system efficiency.
Conclusion
The Push Type PCB Terminal Block is an advanced electrical connector designed to simplify PCB wiring while ensuring strong, secure, and efficient electrical connections. With its tool-free push-in design, compact structure, high conductivity contacts, and durable flame-retardant housing, this terminal block is an ideal solution for modern electronic and industrial applications.
From industrial automation and power supplies to LED lighting and consumer electronics, push type PCB terminal blocks provide a reliable and efficient way to connect wires on printed circuit boards. Their fast installation, vibration resistance, and long service life make them an essential component in today’s electronic systems.
The 2 Pins Double Decker PCB Terminal Block is a compact and highly efficient electrical connector designed for secure wire-to-board connections in electronic circuits. This type of terminal block features a dual-level or stacked design, allowing two layers of wiring connections within the same PCB footprint. This innovative structure helps engineers maximize connection capacity while minimizing the space required on the printed circuit board.
In modern electronic systems, compact circuit design and efficient wiring management are essential. The 2 pin double decker PCB terminal block provides a reliable solution by offering multiple wire connections in a small and organized layout. These connectors are widely used in industrial automation systems, power supply circuits, LED drivers, electronic control panels, and consumer electronic devices.
Manufactured with durable materials and high-conductivity metal contacts, this terminal block ensures excellent electrical performance, mechanical stability, and long-lasting durability.
Key Features of 2 Pins Double Decker PCB Terminal Block
Dual-Level Connection Design
The most distinctive feature of this connector is its double decker structure, which provides two levels of wire connection points. This design allows multiple wires to be connected within a compact area, making it ideal for space-limited PCB layouts.
Compact and Space-Saving Structure
By stacking terminals vertically, the connector significantly reduces the space required on the circuit board. This feature is especially beneficial for modern electronic devices that require compact designs.
Strong Screw Clamp Mechanism
The terminal block uses a screw clamp connection system that tightly secures the wire inside the connector. This prevents loose connections and ensures stable electrical performance even in vibration-prone environments.
High Quality Insulated Housing
The outer housing of the terminal block is typically made from flame-retardant PA66 or nylon material, which offers excellent insulation, heat resistance, and mechanical strength.
Durable Metal Contacts
The internal contacts are made from tin-plated brass or copper alloy, providing superior electrical conductivity and corrosion resistance for reliable signal and power transmission.
Easy Installation and Maintenance
The design allows technicians to insert wires easily and tighten them using a screwdriver, enabling quick installation and convenient maintenance without complex tools.
Technical Specifications
Typical specifications of a 2 Pins Double Decker PCB Terminal Block include:
Number of Pins: 2 Pins
Pitch Size: 3.5mm / 5.08mm
Rated Voltage: 150V – 300V
Rated Current: 8A – 16A
Wire Range: 24 AWG – 16 AWG
Housing Material: Flame Retardant PA66 / Nylon
Contact Material: Brass / Copper Alloy
Contact Plating: Tin Plated
Mounting Type: PCB Through Hole
Operating Temperature: -40°C to +105°C
These specifications may vary slightly depending on the manufacturer.
Applications of 2 Pins Double Decker PCB Terminal Block
The 2 pin double decker PCB terminal block is widely used in various industries due to its compact design and reliable connection capability.
Industrial Automation Systems
These connectors are commonly used in PLC controllers, industrial machines, and automation systems where multiple connections are required in a limited PCB area.
Power Supply and Power Distribution Boards
Power supply circuits often use terminal blocks to connect input and output wiring safely and efficiently.
LED Drivers and Lighting Systems
LED lighting circuits and drivers use PCB terminal blocks to connect power cables and control wires.
Electronic Control Panels
Electrical control panels require organized wiring solutions, and double decker terminal blocks help manage multiple connections efficiently.
Consumer Electronics
Devices such as audio systems, amplifiers, smart home devices, and household appliances utilize terminal blocks for easy and reliable wiring connections.
Advantages of Using 2 Pins Double Decker PCB Terminal Blocks
Increased Wiring Capacity
The stacked design allows more connections within the same PCB space, improving overall circuit efficiency.
Organized Wiring Layout
These connectors help maintain a clean and structured wiring arrangement inside electronic devices and control panels.
Reliable Electrical Performance
High-quality metal contacts ensure stable electrical conductivity and minimal signal loss.
Easy Repair and Maintenance
Wires can be removed and replaced easily without damaging the PCB, making maintenance simple and cost-effective.
Long Service Life
Durable materials and corrosion-resistant contacts ensure long-lasting performance even in demanding environments.
Why Choose High Quality Double Decker PCB Terminal Blocks?
Selecting a high-quality terminal block is crucial for ensuring electrical safety and reliable circuit performance. Poor-quality connectors may lead to loose wiring, overheating, or electrical failure.
Premium 2 pin double decker PCB terminal blocks are manufactured with precision engineering and strict quality standards. They provide strong wire clamping, stable conductivity, and reliable PCB mounting, ensuring optimal performance in electronic systems.
Conclusion
The 2 Pins Double Decker PCB Terminal Block is a highly practical and space-efficient connector designed for modern electronic circuit applications. Its dual-level connection design allows engineers to increase wiring capacity without increasing PCB size.
With features such as compact design, strong screw clamp mechanism, durable insulation materials, and reliable electrical conductivity, this connector is widely used in industrial automation, power supply systems, LED lighting circuits, and consumer electronics.
By providing secure, efficient, and organized wiring connections, the 2 pin double decker PCB terminal block remains an essential component in advanced electronic and electrical systems.
Double Decker PCB Terminal Blocks, also known as double-level or stacked PCB terminal connectors, are advanced electrical connectors designed to maximize wiring capacity on printed circuit boards (PCBs). These connectors feature two levels of wire connection points stacked vertically, allowing engineers to connect multiple wires while saving valuable PCB space.
In modern electronics and industrial systems, space efficiency and reliable wiring are extremely important. Double decker terminal blocks provide an ideal solution by increasing the number of connections without increasing the footprint on the circuit board. This makes them highly suitable for industrial control panels, automation equipment, power distribution boards, LED drivers, and electronic devices.
Manufactured with high-quality insulation materials and durable metal contacts, these connectors ensure stable electrical performance, safe wiring, and long-term durability.
Key Features of Double Decker PCB Terminal Blocks
Dual-Level Connection Design
The main feature of a double decker terminal block is its two-level stacked connection structure. This design allows multiple wires to be connected in a compact area, effectively doubling the connection capacity compared to standard single-level terminal blocks.
Space-Saving PCB Layout
By stacking terminals vertically, these connectors significantly reduce PCB space requirements, making them perfect for compact electronic devices and densely populated circuit boards.
Strong Screw Clamp Connection
Most double decker PCB terminal blocks use a screw clamp system that tightly secures wires inside the connector. This ensures a stable electrical connection and prevents wires from loosening due to vibration or movement.
High Quality Insulated Housing
The connector housing is typically made from flame-retardant PA66 or Nylon plastic, which offers excellent electrical insulation, heat resistance, and mechanical strength.
Durable Metal Contacts
The internal contacts are made from tin-plated brass or copper alloy, providing excellent electrical conductivity and corrosion resistance. This ensures efficient signal transmission and reliable current flow.
Multiple Pin Configurations
Double decker PCB terminal blocks are available in different configurations such as:
2 Pin Double Decker Terminal Block
3 Pin Double Decker Terminal Block
4 Pin Double Decker Terminal Block
Multi-position double-level connectors
These options allow engineers to choose the right connector for specific circuit requirements.
Technical Specifications
Typical specifications of Double Decker PCB Terminal Blocks include:
Pitch Size: 3.5mm / 5.08mm
Rated Voltage: 150V – 300V
Rated Current: 8A – 16A
Wire Range: 24 AWG – 16 AWG
Contact Material: Brass / Copper Alloy
Contact Plating: Tin Plated
Housing Material: Flame Retardant PA66 / Nylon
Mounting Type: PCB Through Hole
Operating Temperature: -40°C to +105°C
Specifications may vary depending on the manufacturer and design.
Applications of Double Decker PCB Terminal Blocks
Double decker terminal blocks are widely used across various industries due to their compact design and reliable connection capabilities.
Industrial Automation
These connectors are commonly used in PLC systems, industrial controllers, and machine control circuits, where multiple wiring connections are required in limited space.
Control Panels
Electrical control panels often require multiple wire connections. Double decker terminal blocks help organize wiring efficiently while saving panel space.
Power Distribution Systems
In power supply circuits and distribution boards, these connectors help manage multiple power connections safely.
LED Lighting and Drivers
Many LED driver boards and lighting controllers use double decker terminal blocks for connecting power input and output wiring.
Consumer Electronics
Devices such as audio systems, home appliances, and electronic gadgets benefit from compact wiring solutions provided by double-level terminal connectors.
Advantages of Using Double Decker PCB Terminal Blocks
Higher Wiring Density
The dual-level design allows more wire connections in a smaller area, increasing overall wiring density.
Efficient Space Utilization
These connectors help designers build compact and organized PCB layouts.
Easy Installation and Maintenance
Wires can be connected and removed easily without soldering, making installation and repair work faster.
Reliable Electrical Performance
High-quality metal contacts ensure stable conductivity and minimal power loss.
Long Service Life
Durable materials and corrosion-resistant contacts provide long-lasting performance in various environments.
Why Choose High Quality Double Decker PCB Terminal Blocks?
Using high-quality terminal blocks is essential for maintaining electrical safety and reliable system performance. Poor-quality connectors can cause loose wiring, overheating, or signal failure.
Premium double decker PCB terminal blocks are manufactured with precise engineering to ensure perfect PCB fitment, strong wire clamping, and consistent electrical conductivity. Choosing trusted connectors helps ensure safe and efficient operation of electronic equipment.
Conclusion
Double Decker PCB Terminal Blocks are an innovative and highly practical solution for modern electronic circuit design. Their stacked connection design, compact footprint, and reliable wiring capability make them ideal for applications where space efficiency and secure electrical connections are critical.
From industrial automation systems and power supply circuits to LED lighting and consumer electronics, these connectors provide a safe, efficient, and organized way to manage PCB wiring connections.
With their space-saving design, strong screw clamp system, durable materials, and reliable performance, double decker PCB terminal blocks remain an essential component in advanced electronic and electrical systems.
The Green PCB Terminal Block is an essential electrical connector widely used for creating secure and reliable wire-to-board connections in electronic circuits. Designed for durability and easy installation, these connectors are commonly used in industrial equipment, electronic devices, automation systems, and power control circuits.
PCB terminal blocks are designed to simplify electrical wiring on printed circuit boards (PCBs). Instead of soldering wires directly onto the board, these connectors allow users to attach and detach wires easily using screw clamps or spring mechanisms. The green color housing is the most commonly used standard in the electronics industry, making it easy to identify and organize wiring connections on circuit boards.
Green PCB terminal blocks are known for their compact design, high electrical conductivity, strong mechanical strength, and long service life. They provide safe and stable electrical connections even in demanding environments where vibration, heat, or electrical load may be present.
Key Features of Green PCB Terminal Block
Durable Insulated Housing
The housing of a green PCB terminal block is usually made from high-quality flame-retardant materials such as PA66 or Nylon, which offer excellent insulation and heat resistance. This ensures that the connector remains safe during long-term operation in electrical circuits.
Strong Metal Conductive Contacts
Inside the terminal block, high-quality copper alloy or brass contacts are used to provide excellent electrical conductivity. These contacts are often tin-plated to prevent corrosion and improve durability.
Secure Screw Clamp Connection
Most PCB terminal blocks use a screw clamp mechanism to secure wires. This system allows users to easily insert wires and tighten them with a screw, ensuring a firm and vibration-resistant electrical connection.
Compact and Space Saving Design
Green PCB terminal blocks are designed with various pitch sizes such as 3.5mm, 5.08mm, and 7.62mm, making them suitable for different PCB layouts. Their compact size allows them to fit easily into modern electronic devices where space is limited.
Easy Installation and Maintenance
One of the major advantages of PCB terminal blocks is their simple installation process. Wires can be connected or removed without soldering, which makes maintenance and repair work much easier.
Multiple Pin Configurations
Green PCB terminal blocks are available in several configurations to meet different circuit requirements, including:
2 Pin Terminal Block
3 Pin Terminal Block
4 Pin Terminal Block
6 Pin Terminal Block
Multi-pin connectors
These variations allow engineers to design flexible and efficient wiring systems.
Technical Specifications
Typical specifications of a Green PCB Terminal Block include:
Pitch Size: 3.5mm / 5.08mm / 7.62mm
Rated Voltage: 150V – 600V
Rated Current: 8A – 20A
Contact Material: Brass / Copper Alloy
Plating: Tin Plated
Housing Material: PA66 Flame Retardant Plastic
Operating Temperature: -40°C to +105°C
Mounting Type: PCB Through Hole
Wire Size: 24 AWG – 12 AWG
These specifications may vary depending on the product design and manufacturer.
Applications of Green PCB Terminal Blocks
Green PCB terminal blocks are widely used across various industries due to their reliability and ease of use.
Industrial Automation
In automation systems, terminal blocks are used to connect sensors, control modules, and signal lines. Their strong clamping mechanism ensures stable connections even in high-vibration environments.
Power Supply Circuits
Many power supply units and power distribution boards use PCB terminal blocks to safely connect input and output wires.
LED Lighting Systems
Terminal blocks are commonly used in LED drivers, LED controllers, and lighting systems for connecting power cables and signal wires.
Consumer Electronics
Devices such as amplifiers, audio systems, chargers, and electronic appliances often use PCB terminal blocks to simplify internal wiring.
Control Panels and Electrical Boards
Electrical control panels and industrial equipment rely on PCB terminal blocks to maintain organized wiring and ensure easy troubleshooting.
Benefits of Using Green PCB Terminal Blocks
Reliable Electrical Connections
These connectors provide stable and secure electrical connections, reducing the risk of loose wiring or circuit failure.
Easy Wiring and Maintenance
The screw clamp design allows quick installation and removal of wires, saving time during assembly and repair.
High Safety Standards
With flame-retardant insulation materials and corrosion-resistant contacts, PCB terminal blocks offer high safety for electrical systems.
Compact Design
Their compact structure allows them to be used in space-constrained electronic devices and PCB layouts.
Long Service Life
High-quality materials and strong mechanical construction ensure long-term performance even under demanding operating conditions.
Why Choose High Quality PCB Terminal Blocks?
Selecting a high-quality Green PCB Terminal Block ensures better performance, improved electrical safety, and longer equipment lifespan. Low-quality connectors may cause loose connections, overheating, or electrical failures.
High-grade terminal blocks are manufactured with precision engineering to ensure perfect PCB mounting and consistent electrical performance. For electronics manufacturers and engineers, using reliable terminal blocks helps maintain the quality and durability of electronic products.
Conclusion
The Green PCB Terminal Block is a highly versatile and reliable electrical connector used for wire-to-board connections in various electronic applications. With its compact design, strong screw clamp mechanism, durable insulated housing, and excellent conductivity, it has become a standard component in modern electronic circuits.
From industrial automation and power supplies to LED lighting and consumer electronics, green PCB terminal blocks provide a safe, efficient, and convenient solution for electrical wiring on printed circuit boards.
Their ease of installation, long service life, and dependable performance make them an essential component in modern electrical and electronic systems.
The 3.5mm PCB Terminal Block is a compact and highly reliable electrical connector designed to provide secure wire-to-board connections in electronic circuits. Widely used in electronic devices, control panels, automation equipment, power supplies, and PCB assemblies, this connector ensures safe and stable electrical connections while allowing easy wiring and maintenance.
With a 3.5mm pitch spacing, these terminal blocks are ideal for applications where space-saving design is essential without compromising connection reliability. Their durable construction, high conductivity metal contacts, and insulated housing make them a preferred choice for engineers, manufacturers, and electronics technicians.
In modern electronic systems, PCB terminal blocks play a crucial role in enabling organized wiring and efficient circuit connections. The 3.5mm pitch terminal block provides an excellent balance between compact size and current-carrying capability, making it suitable for both industrial and consumer electronic products.
Key Features of 3.5mm PCB Terminal Block
Compact 3.5mm Pitch Design
The primary feature of this terminal block is its 3.5mm pin spacing, which allows more connectors to be placed on a printed circuit board without occupying excessive space. This compact design is especially beneficial for small electronic devices and densely populated circuit boards.
High-Quality Insulated Housing
The outer body of the terminal block is typically manufactured using high-grade flame-retardant plastic such as PA66 or Nylon, which offers excellent electrical insulation and heat resistance. This material ensures long-term safety and durability even in demanding environments.
Strong Metal Contact Terminals
Inside the terminal block, tin-plated brass or copper alloy contacts provide superior electrical conductivity and corrosion resistance. These metal contacts ensure stable signal transmission and minimize power loss.
Secure Screw Clamp Mechanism
Most 3.5mm PCB terminal blocks feature a screw clamp connection system, allowing wires to be tightly secured. This design prevents loose connections and ensures reliable performance even in vibration-prone environments.
Easy Installation and Maintenance
These connectors are designed for quick wiring and easy replacement, allowing technicians to connect or disconnect wires without soldering directly to the PCB. This significantly simplifies installation and maintenance work.
Multiple Pin Configurations
3.5mm terminal blocks are available in various configurations including:
2 Pin Terminal Block
3 Pin Terminal Block
4 Pin Terminal Block
6 Pin Terminal Block
Custom multi-pin connectors
This flexibility allows them to be used across different electronic circuit designs.
Technical Specifications
Below are the common technical specifications of a 3.5mm PCB terminal block connector:
Pitch Size: 3.5mm
Rated Voltage: 150V – 300V
Rated Current: 8A – 10A
Wire Range: 24 AWG – 16 AWG
Contact Material: Brass / Copper Alloy
Plating: Tin Plated
Housing Material: PA66 / Nylon Flame Retardant
Operating Temperature: -40°C to +105°C
Mounting Type: PCB Through Hole
These specifications may vary slightly depending on the manufacturer and design.
Applications of 3.5mm PCB Terminal Block
The 3.5mm pitch terminal block is widely used across different industries due to its compact size and reliable performance.
Industrial Control Systems
In industrial automation systems, terminal blocks are used for connecting sensors, controllers, and signal lines. Their secure connection ensures uninterrupted operation of machinery and control circuits.
Power Supply Units
Many power supply boards utilize 3.5mm terminal blocks to connect input and output wiring safely. They provide a strong connection that can handle moderate current loads efficiently.
LED Lighting Systems
PCB terminal blocks are commonly used in LED drivers, LED controllers, and lighting boards for connecting power lines and control signals.
Consumer Electronics
Devices such as audio equipment, amplifiers, home appliances, and electronic gadgets use terminal blocks to simplify internal wiring connections.
Automation and Robotics
Robotics circuits, programmable logic controllers (PLC), and automation equipment often require compact connectors like the 3.5mm terminal block to ensure reliable signal and power connections.
Advantages of Using 3.5mm PCB Terminal Blocks
Space Saving Design
The small pitch allows engineers to design compact circuit boards, which is essential for modern electronic devices.
Reliable Electrical Connections
The screw clamp system ensures tight and stable wire connections, reducing the chances of electrical faults.
Easy Wiring
Unlike soldered connections, terminal blocks allow quick wire installation and removal, saving time during assembly and maintenance.
Cost Effective Solution
3.5mm PCB terminal blocks are affordable and widely available, making them an economical choice for electronics manufacturers.
Long Service Life
With corrosion-resistant contacts and durable housing materials, these connectors provide long-term reliable performance.
Why Choose a High Quality PCB Terminal Block?
Using a high-quality 3.5mm PCB terminal block connector ensures better electrical safety, stable signal transmission, and longer equipment life. Poor-quality connectors can lead to loose wiring, overheating, or circuit failures.
Quality terminal blocks are manufactured with strict precision standards to ensure perfect fitment on PCBs and reliable wire clamping. For manufacturers and engineers, selecting a trusted connector helps maintain product reliability and safety standards.
Conclusion
The 3.5mm PCB Terminal Block is an essential electronic connector used in a wide range of PCB-based applications. Its compact design, secure screw clamp connection, durable insulation, and reliable electrical performance make it a preferred choice for engineers, electronics manufacturers, and industrial system designers.
Whether used in automation systems, power supplies, LED lighting circuits, or consumer electronics, the 3.5mm terminal block provides a convenient and safe solution for connecting wires to printed circuit boards.
Due to its compact size, durability, easy installation, and excellent conductivity, this connector continues to be a vital component in modern electronic hardware and circuit designs.
The PUT 2.5 PCB Terminal Block is a compact and reliable electrical connector designed for secure wire connections on printed circuit boards (PCBs). It is widely used in electrical and electronic applications where safe, stable, and organized wiring is required. This terminal block allows easy connection and disconnection of wires while ensuring strong electrical conductivity and long-term performance.
Switch Mart India offers high-quality PUT 2.5 PCB Terminal Blocks manufactured with durable materials and precision engineering. These terminal blocks are designed to provide strong clamping force, excellent insulation, and resistance to heat and electrical stress. Their compact design makes them ideal for modern electronic devices and control systems where space efficiency and reliability are important.
The PUT 2.5 terminal block is commonly used in industrial control panels, power supply units, automation systems, and electronic equipment. With its sturdy plastic housing and high-conductivity metal contacts, it ensures safe electrical connections and dependable operation even in demanding environments.
Key Features
High-Quality Insulated Body made from durable and heat-resistant material
Reliable Electrical Connection with strong metal contact terminals
Compact Design suitable for PCB mounting and space-saving applications
Easy Wire Installation for quick and secure wiring
Strong Mechanical Strength for long service life
Excellent Electrical Conductivity for stable performance
Applications
The PUT 2.5 PCB Terminal Block is widely used in many electrical and electronic systems, such as:
Industrial control panels
Power distribution boards
Automation and machinery equipment
Electronic circuits and devices
Power supply units
Electrical instruments and control systems
Why Choose Switch Mart India?
Switch Mart India is a trusted supplier of high-quality electrical connectors and switching components. The company focuses on delivering reliable products that meet modern industry standards. Their PUT 2.5 PCB Terminal Blocks are designed for durability, safety, and efficient electrical connections, making them a preferred choice for engineers, manufacturers, and electrical professionals.
PUT 2.5 PCB Terminal Block, PCB Terminal Connector, PCB Mount Terminal Block, Electrical Terminal Block, Industrial PCB Terminal Block, Terminal Block Supplier in India, Switch Mart India PCB Terminal Block.
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