Silent Knight SK-CONTROL Notification Module

The Silent Knight SK-CONTROL is an addressable notification module for Silent Knight fire alarm control panels that adds supervised control for externally powered notification appliances. It supports Class B or Class A notification circuit supervision, monitors wiring to devices such as bells, horns, and strobes, and relay-isolates the external power supply from the SLC loop so power supply trouble does not affect the rest of the system. Key Specifications: Type: Addressable notification module Core Function(s): Supervises notification appliance wiring and switches external power to the load device on command from the FACP Loop/Protocol: Silent Knight SLC Power: 15 to 32 VDC operating voltage; 0.375 mA maximum SLC standby and alarm current at 24 VDC with 47K EOL; external power supply current 7 mA alarm and 1.7 mA standby per module Indicators/UI: Panel-controlled status LED flashes green in normal condition and lights solid red in alarm; polling LED visible through the cover plate Circuit Configuration: Supports Class B (Style Y) or Class A (Style Z) wiring Addressing: Rotary address switches Electrical: 47K Ohm end-of-line resistance; 40 Ohms maximum SLC loop resistance Mounting: Mounts to a standard 4 inch square electrical box with a minimum depth of 2-1/8 inches Physical: 4.5 inches H x 4 inches W x 1.3 inches D Environmental: 32 F to 120 F; 10% to 93% non-condensing Compatible Accessories: SMB500 - 4 inch square surface-mount electrical box CB500 - Module barrier System Compatibility: Compatible Silent Knight fire alarm control panels that support SK addressable modules