MICRO SWITCH™ Miniature Hermetically Sealed Basic Switches: HM Series, Single Pole Double Throw (SPDT), 4 A at 28 Vdc, Silver Contacts, Stainless Steel Enclosure, (3) 1829 mm [72 in] Lead Wire Termination (22 Gage) with 10 mm [.390 in] Lead Wire Sleeve, -65 °C to 260 °C [-85 °F to 500 °F] Temperature Range, Down to -184 °C [-300 °F] if Wire Leads are Non-Flexing