Special Use Maintenance Switch
The Special Use Maintenance switch is a key-operated switch that disconnects the actuation circuits in fire alarm and suppression systems to prevent accidental agent discharge. It is designed specifically for fire alarm, fire suppression systems, and fire alarm control panels. The Special Use model features extra space for optional input modules. 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.
- This Special Use Maintenance Switch provides space for an optional input module.
- 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 |
|---|---|
| Switch Rating | Rated 10A 250VAC, 15a 125-250VAC, Dc Rating 15A up to 30VDC |
| Contact | Form C |
| 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 Listed
Installation
Flush Mount installation requires a two-gang plaster ring on any 4-inch-deep square (1900) back box.
Surface Mount installation requires a 2.5” deep, compatible back box.
Red Surface Mount Back Box (GEM2GRB) is not included.
