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LPCB Addressable Fire Alarm System Loop Isolator Module AW-D314 for fire alarm system

AW-D314 loop isolator (hereinafter referred to as AW-D314), mainly used to isolate a portion of a short circuit on the bus, other devices on the bus to ensure normal operation.

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  • AW-D314 loop isolator (hereinafter referred to as AW-D314), mainly used to isolate a portion of a short circuit on the bus, other devices on the bus to ensure normal operation. Upon elimination of the short circuit fault, AW-D314 can be isolated out their own part back into the system. It is worth noting: AW-D314 using the bus to facilitate the determination of the location of a short circuit.

  • Addressable Fire Alarm System Loop Isolator Module Feature:

    1) In the event of a short circuit isolates faulty parts of the loop
    2) Automatically resetting once the fault has cleared
    3) LED lights indicate status

Addressable Fire Alarm System Loop Isolator Technical parameters:


Nominal Line Voltage ( VNOM)24V
Standby Current<3mA
Capacity32 devices
IndicateYellow (flashes when polling, illuminates in action.)
Maximum Line Voltage ( VMAX)28V
Minimum Line Voltage ( VMIN)16V
Maximum voltage at which the device isolates ( VSOMAX)11V
Minimum voltage at which the device isolates ( VSOMIN)8V
Maximum voltage at which the device reconnects( VSC MAX)4V
Minimum voltage at which the device reconnects( VSC MIN)1.4V
Maximum rated continuous current with the switch closed ( IC MAX)1A
Maximum rated switching current ( IS MAX)3A
Maximum leakage current with the switch open ( ILMAX)15mA
Maximum series impedance with the switch closed( ZC MAX)0.15Ω
Operating Temperature-10℃~+55℃

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