- Additional information
2081-9027 SIMPLEX, TRANSIENT CUBE.
2081-9027 Simplex, Electrical transients caused by lightning or by disturbances on high voltage power lines are conditions that require low voltage wiring circuits to be adequately protected. This protection is most effective when placed at the location where such circuits leave or enter the building.
Transient Protection. The 2081-9027 Isolated Loop Circuit Protector (ILCP) is designed to protect Simplex® Fire Alarm circuits from those electrical transients induced on wire runs that are routed external to the building. Because of its small package size, it can be easily mounted at the location that achieves maximum protection
Designed specifically for protection of fire alarm circuits including:
- DC power (200 mA maximum).
- Monitor circuits.
- Audio riser circuits.
- Firefighter telephone riser circuits.
- Listed as an Isolated Loop Circuit Protector to UL 497B, Protectors for Data Communications and Fire Alarm Circuits.
- Listed as a Surge Suppressor to ULC-S527, Control Units for Fire Alarm Systems.
- For higher current ILCP applications (up to 5A), refer to Model 2081-9028 on data sheet S2081-0008.
Multiple stages of protection include:
- Line-to-Line protection.
- Line-to-Earth protection.
- Rugged epoxy encapsulated package.
External Wiring Requirements.
Fire alarm system wiring that is run external to the building and is protected by the use of 2081-9027 ILCPs shall be installed in accordance with the individual system component installation instructions including properly grounded, twisted and shielded pairs, and observance of the following precautions.
To ensure optimized protection, the 2081-9027 ILCPs shall be located as close as possible to the point at which the circuits leave or enter the buildings and installed in dedicated metallic electrical boxes.
Wiring is limited to one contiguous property. The total maximum wire length is determined by the individual application’s allowable limit as specified with ILCPs, but must not exceed 3270 ft (1 km).
Wiring must be in a wiring trough that is separate from commercial power distribution wiring.
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|Dimensions||5 × 5 × 5 in|