The HONEYWELL part 1SE401-3 is a MICRO SWITCH™ Miniature Environmentally Sealed Basic Switch. This switch is a Single Pole Double Throw (SPDT) type with a rating of 1 A at 30 Vdc. It features gold-plated bifurcated contacts for reliable and low resistance switching. The switch is designed with a stainless steel pin plunger for durability and longevity. It has lead wire termination with a length of 914 mm [36 in], using 20 Gage wire. The switch is suitable for a wide temperature range of -53 °C to 105 °C [-65 °F to 221 °F], making it suitable for various industrial and commercial applications.