UL Listed Loop Isolator C-M9503

UL Intelligent Loop Isolator

In loop type fire alarm system, it often occurs that partial short circuit of loop affects the whole system. C-M9503 Loop Isolator can isolate the shorted circuit from the whole system to ensure normal operation of other parts and locate the isolated part. The isolator is applicable to all kinds of loop fire alarm systems, suitable for Class A and Class B.

Product Details

Polarity-sensitive external connections. Input and output can be used inversely without direction.
Delayed power-up to output end devices, avoids strong transient current when the load is heavy.
Plug-in structure.
Standards: UL864, NFPA [70,72]

Operating Voltage24VDC
Standby Current≤0.15mA
CapacityMaximum 70 devices
Devices quantity connected to each loop≤128
Operating EnvironmentTemperature: -10℃ ~+50℃
Relative Humidity: 95%
Dimensions120mm x 80mm x 39mm

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