Maintenance Switch
The Maintenance Switch is a key-operated switch that disconnects the actuation circuits in fire alarm and suppression systems to prevent accidental agent discharge. The rotary key lock allows authorized users to bypass the release circuit during testing, inspection, and routine maintenance operations. For enhanced security, the key can only be removed in the “SYSTEM ARMED” position.
› In the “SYSTEM ARMED” position, the green LED illuminates.
› In the “SYSTEM INACTIVE” position, the red LED illuminates.
Features
- Provides a manual disconnect of activation circuits during maintenance and emergencies.
- The key can only be removed in the “SYSTEM ARMED” position.
- Securely mounted on a two-gang stainless-steel switch plate, operating on 24VDC.
- Equipped with two LED indicators (Green and Red).
- Available in both 3-Pole and 4-Pole.
- Compatible with both addressable and conventional Fire Alarm systems.
- Each assembly includes four 6-32” x 1/2” mounting screws and a set of B721 keys.
Additional information
| Dimensions | 4.5625 × 4.5 × 2.375 in |
|---|---|
| Contact | Form C |
| LED Rating | 10mA each |
| Operating Temp | 32 to 120 F (0-49 C) For Dry Indoor Use |
| Plate | Stainless steel plate with text silk screened or engraved on plastic |
Standards
UL864 9th Edition
CSFM Listing
Installation
Surface Mount installation requires a optional 2.5” deep, compatible back box. Gemcom Part# GEM2GRB
Flush Mount installation requires a two-gang plaster ring on any 4-inch-deep square (1900) back box
