UL Listed Base Mount Isolator DC-M9504

UL Base Mount Isolator

In fire alarm system, such condition often occurs that partial short circuit of loop affects the whole system. DC-M9504 Base Mount Isolator can isolate the shorted circuit from the whole system and light the yellow LED to ensure normal operation of other parts and locate the part in fault. After the fault is cleared, the part of the loop will be re-included into the system. The isolator is applicable to Class A loop wiring.

Product Details

Isolation of short circuit, automatic restore when short circuit is cleared.
Standards: UL864, NFPA [70,72]
Class A loop wiring applicable

Maximum Operating Voltage (VMAX)28VDC
Operating Voltage (VNOM)24V
Minimum Operating Voltage (VMIN)16V
Standby Current≤0.15mA
Action Current≤2mA
Action LED YellowIt flashes in standby state, and lights steady in action.
Maximum Capacity 70 devices between two isolators
Devices quantity connected to each loop≤128
Ambient Temperature0℃~+49℃
Relative Humidity≤93%, non condensing
Material and Color of Enclosure Flame–retardant ABS(PA-765A)White.
Mounting Hole Spacing45mm~75mm
WeightAbout 100g

Save Properties. Save Lives.