ELCOM MPS-1 is a panel mount momentary push button micro switch designed for industrial and electronic control applications. It features a shrouded round actuator cap, SPDT contact arrangement, and durable construction for long operational life. Mechanical Specification Parameter Specification Model MPS-1 Brand ELCOM Switch Type Momentary Push Button Micro Switch Mounting Type Panel Mount Actuator Type Shrouded Round Cap Button Color Red Contact Configuration SPDT (1NO + 1NC) Number of Terminals 3 Pin / 4 Leg Type Mounting Method Screw Type Terminal Type Solder Terminal Body Material Nylon / PBT Cap Material ABS Contact Material Copper Alloy, Silver Plated Product Weight Approx. 12g Mechanical Life 50,000 Cycles Min. Electrical Specification Parameter Specification Rated Voltage 250V AC Rated Current 4A Contact Resistance 20mΩ Max Insulation Resistance 100MΩ Min at 500V DC Dielectric Strength 1KV AC for 1 Minute Electrical Life 10,000 Cycles Min Operating Temperature -20°C to +85°C Soldering Temperature 270°C for 5 Seconds Max Approximate Dimensions Parameter Size Mounting Hole Diameter 12mm Approx Total Height 37mm – 38mm Body Width 24mm – 25mm Thread Length 10mm – 12mm Button Diameter 16mm – 18mm Terminal Configuration Terminal Function COM Common NO Normally Open NC Normally Closed Features Durable panel mount construction Smooth tactile push operation High reliability silver-plated contacts Long electrical and mechanical life Compact industrial design Easy installation with threaded mounting Suitable for repeated operation Applications Industrial Control Panels Power Supply Units Automation Equipment Instrumentation Systems UPS/Inverter Panels DIY Electronics Projects Audio Equipment Testing Machines Available Variants Red / Black / Green Actuator Shrouded Cap Type PCB Mount & Chassis Mount Versions SPDT Configuration

PMS-1 ELCOM is a panel mounting push-type micro switch widely used in electronic equipment, industrial control panels, power supplies, testing instruments, and automation systems. It is a compact momentary push switch with threaded mounting and solder terminals. Mechanical Specification Parameter Specification Model PMS-1 Brand ELCOM Switch Type Push Micro Switch Operation Type Momentary Mounting Type Panel Mount Actuator Type Round Push Button Button Color Red Body Material High Grade Plastic Mounting Thread Approx. M10 Terminal Type Solder Lug Terminal Contact Type SPDT Number of Pins 3 Pin Mechanical Life 100,000 Cycles (Approx.) Electrical Specification Parameter Specification Rated Voltage 250VAC Rated Current 6A Contact Resistance ≤ 50mΩ Insulation Resistance ≥ 100MΩ Dielectric Strength 1000VAC Operating Temperature -10°C to +85°C Contact Configuration Terminal Function COM Common NO Normally Open NC Normally Closed Approximate Dimensions Parameter Size Total Height 32mm – 38mm Body Width 20mm – 25mm Mounting Hole Diameter 10mm Thread Length 10mm – 12mm Button Diameter 5mm – 6mm Features Compact design Easy panel mounting Reliable switching action Durable plastic housing High electrical life Suitable for low and medium power applications Fast response operation Applications Power Supply Units Industrial Control Panels Testing Equipment Automation Machines Electronic Projects UPS/Inverter Systems DIY Circuits Audio Equipment Package Includes PMS-1 Push Switch Mounting Nut Washer Advantages Long operational life Stable contact performance Compact and lightweight Easy installation Cost-effective switching solution

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.