UL 10C, USA and Canada, UL 294 (Access Control System Units) , UL 1034 (Burglary-Resistant Electric Lock Mechanism), and UL 864 (Fire Alarm Systems) USA Anodized aluminum housing (US 28) 12/24VDC selectable MOV surge protection. Adjustable mounting bracket. Complete mounting hardware for typical installations. "L" bracket and "Z" brackets available for easy mounting. Detachable faceplate Lifetime Limited Warranty* Holding Force 600-lb (272kg) Operating Voltage 12 or 24 VDC±10% Current Draw 500mA@12VDC, 250mA@24VDC Operating Temperature 14º ~ 131º F (-10º ~ 55º C) Electromagnet Dimensions 9-7/8"x1"x1-5/8" (250x25x42 mm) Armature Dimensions 7-1/4"x1/2"x1-1/2" (185x12x38 mm) Product information provided by seco-larm.com E-941SA-600 Datasheet E-941SA-600 Manual E-941SA-600 Diagram