Edwards Signaling 1500-12 Door Holder Assembly SF 02/03 NAC output circuits may be

NAC output circuits may be configured as 24 VDC resettable or non-resettable power outputs

one pull on the station handle breaks the glass rod and turns in a positive alarm

polling and hardware substitution protection

homeowners can see how recently a zone was triggered

water flow switches

Edwards Signaling 1500-12 Door Holder Assembly SF 02/03 NAC output circuits may beThe Edwards 1500 Series electromagnetic door holders feature housings finished with durable baked polyester powder paint. The contact plate has a shock absorbing nylon (swivel) ball that allows the plate to adjust to any door angle. Floor units are available in single door or double door (back to back) versions. Wall units are available in flush or surface mounted versions. All units free of moving parts, self contained, and require no maintenance.