Silent Knight SK-PS10 Remote Power Supply

Refurbished, fully functional without metal box/cabinet.

SK-PS power supplies can be used as remotely mounted power supplies and battery chargers to power non-coded or coded NACs. The Main FACP (Fire Alarm Control Panel) NAC(s) is connected to the remote power supply input circuit(s). When the command input circuit activates due to reverse polarity of the NAC from the FACP, the power supply will activate its Notification Appliance Circuits.

During the inactive or non-alarm state, the power supply supervises its NAC field wiring for short and open conditions. AC fail, battery, charger and ground fault troubles will be monitored by the power supply. And will activate the AC Fail and Battery Fault relay, respectively. If a NAC fault is detected, the input end-of-line will open to indicate the fault to the main panel. If an alarm condition occurs and the NAC is activated. The supervision is disabled and the Notification Appliance Circuit is no longer supervised. Supervision of other power supply faults like low battery, overcharged battery, ground fault. And battery charger trouble will continue and will be monitored by their respective trouble relays.

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