Silent Knight SK-ISO Fault Isolator ModuleThe Silent Knight SK ISO Fault Isolator Modules enable part of the communications loop to continue operating when a short circuit occurs on it. An LED indicator blinks in the normal condition and turns on during a short circuit condition. The module will automatically restore the entire communications loop to the normal condition when the short circuit is removed. This product is for use with compatible Silent Knight system control panels only. Mounts

— 4009 TPS

Simplex 2081-9044 Overvoltage Protector provides circuit surge protection

After the main panel

They are designed with immobilized electrolyte in an absorbent separator

photo/thermal

They are both impact and vandal resistant and provide a convenient strobe intensity selection

Simplex 4098-9402 Combination Rate-of-Rise and Thermal Detector

aircraft hangers

The Simplex 4098-9791 TrueAlarm Supervised Relay Base is a 4-wire TrueAlarm Sensor Base with connections for Supervised Remote Relay (2098-9737) and for remote LED alarm indicator

Simplex 4007-9812 Dual RS232 Module

— 4100ES

and 2120 Communicating Device Transponders (CDTs) equipped with MAPNET II communications