Key Specifications/Special Features
*Eight Style B (Class B) Initiating Device Circuits (IDCs).
*All zones accept two-wire smoke detectors and any normally-open contact devices.
*Two built-in, Style Y (Class B) Notification Appliance (Signal) Circuits (NACs).
*Alarm, Trouble and Supervisory, Form-C relays standard.
*Power supply: 24VDC
*Resettable four-wire smoke detector power < 500 mA.
*Non-resettable power < 500 mA.
*Disable/Enable control per IDC.
*Reverse polarity protection.