The Honeywell Ademco 958-2 is an overhead, magnetic door contact designed to handle the tougher demands of commercial and industrial environments. Unlike the 958 model, the 958-2 is designed with Form C SPDT wiring, allowing for normally open or normally closed contacts. The contact is also outfitted with shock absorption and moisture protection that shields it from damage or breakage due to impact or flex change. An epoxy seal protects the contact from moisture, making the 958-2 perfect for freezers and outdoor openings. Standard 24" armored cable is included for height flexibility. Also known as -Honeywell Sensors OVHD CNT ADJ MAG SPDT 2 GAP UL - 958-2