NTE Electronics, Inc. Switch, Pushbutton, Spst, 3A, 250V; Switch Operation Nte Electronics 54-388

The 54-388 is a single-pole single-throw (SPST) pushbutton switch with a momentary off-(on) action, designed for low-voltage switching applications. It features an ABS resin actuator and black housing, with solder lug terminals and a mounting hole diameter of 0.402 inches (10.2 mm). The switch is rated for 3A at 250VAC and 1A at 250VAC, with an insulation resistance of at least 100 megohms at 500VDC and a dielectric strength of 1500V RMS minimum. It operates within a temperature range of −10°C to +55°C, has an electrical life of 50,000 cycles, and a mechanical life of 100,000 cycles.