- Four Style B (Class B) Initiating Device
Circuits (IDCs).
- All zones accept two-wire smoke detectors and
any normally-open contact devices.
- One built-in, Style Y (Class B) Notification
Appliance (Signal) Circuits (NACs).
- Alarm, Trouble and Supervisory, relays
standard.
- 24-volt operation.
- Resettable four-wire smoke detector power @
500 mA.
- Non-resettable power @ 500 mA.
- One-man walk-test programmable for silent or
audible test.
- Disable/Enable control per IDC.
- Reverse polarity
protection.
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