Fire Alarm-fire Control Panels

4-16 Zone, 2 Sound Output Conventional Fire Alarm Control Panel: * 4-16 Style B (Class B) Initiating Device Circuits (IDCs). * All zones accept two-wire smoke detectors and any normally-open contact devices. * Four built-in, Style Y (Class B) Notification Appliance (Signal) Circuits (NACs). * Alarm, Trouble and Supervisory, Form-C 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.