Addressable Fire Alarm Control System LPCB Approved
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. Upon elimination of the short circuit fault, AW-D314 can be isolated out their
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Product overview
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.
Product Features

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
Technical parameters

Addressable Fire Alarm System Loop Isolator Technical parameters:


Nominal Line Voltage ( VNOM) 24V
Standby Current ＜3mA
Capacity 32 devices
Indicate Yellow (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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