Simplex 2081-9028


Isolated Loop Circuit Protector

Availability: Estimated 6 Weeks

Condition: New
Brand: Simplex
Status: Active
SKU: 46711
Manufacturer Part #: 2081-9028


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 2081-9028 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.

Additional information

Weight 0.5 lbs



Production Status



  • Low impedance design minimizes voltage drop
  • For internal or external applications
  • Refer to specific panel field wiring diagrams for additional application information
  • 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 lower current ILCP applications (up to 200 mA), refer to Model 2081-9027 on data sheet S2081-0007


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Circuit Protection; Model 2081-9028 Isolated Loop Circuit Protector (ILCP)


Simplex - Data Sheet