In loop type fire alarm system, it often occurs that partial short circuit of loop affects the whole system. C - 9 504 E Base Mount Short Circuit Isolator can isolate the shorted circuit from the whole system to ensure normal operation of the remaining parts and locate the failed part by illuminating a yell ow indicator . When the short circuit fault is cleared, the shorted part will be restored.
The isolator is applicable to all loop type fire alarm system s , either Class A or Class B loop.