PBS-1
Based on the uploaded image, this is a Panel Mount Momentary Push Button Switch (2 Pin, Normally Open) with a red round actuator.

General Specifications
Parameter Specification
Product Name Momentary Push Button Switch
Switch Type Momentary (Push ON, Release OFF)
Contact Configuration SPST (1NO)
Number of Pins 2 Pin
Button Color Red
Actuator Shape Round
Mounting Type Panel Mount
Mounting Hole Diameter 12 mm (Approx.)
Rated Voltage 125VAC / 250VAC
Rated Current 1A–3A (Depending on Model)
Contact Resistance ≤50 mΩ
Insulation Resistance ≥100 MΩ @ 500VDC
Dielectric Strength 1000VAC for 1 Minute
Contact Material Silver Alloy
Housing Material Nickel-Plated Brass
Button Material High-Strength Plastic
Terminal Type Solder Pin
Operating Temperature -20°C to +85°C
Mechanical Life More than 100, 000 Operations
Electrical Life More than 50, 000 Operations
Approximate Dimensions
Dimension Size
Mounting Hole 12 mm
Button Diameter 10–12 mm
Thread Diameter M12 × 0.75
Thread Length 10–12 mm
Overall Length 35–40 mm
Terminal Length 8–10 mm
Features
Momentary operation (returns automatically after release)
Compact panel mount design
Bright red push button
Nickel-plated metal body
Silver alloy contacts for reliable conductivity
Easy solder terminal connection
Long mechanical and electrical life
Corrosion-resistant construction
Quick and easy installation
Suitable for low-voltage control circuits
Applications
Reset Switch
Door Bell Systems
Industrial Control Panels
Control Boxes
Electronic Equipment
Automation Systems
Instrumentation
Power Supplies
Test Equipment
Security Systems
Medical Equipment
DIY Electronic Projects
Robotics
Automotive Electronics
Educational Projects
Terminal Configuration
Pin Function
Pin 1 Input
Pin 2 Output (Normally Open)

Operation:

Released: Circuit Open (OFF)
Pressed: Circuit Closed (ON)
Package Includes
1 × Momentary Push Button Switch (2 Pin)
1 × Mounting Nut
1 × Lock Washer

This 2-pin momentary push button switch is widely used as a reset, start, or trigger switch in industrial, commercial, and electronic control applications due to its durable metal body, compact size, and reliable operation.
Jul 11th, 2026 11:00 AM

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