Kidde KC2-OS Conventional Smoke Detector

The Kidde KC2-OS is a conventional 2-wire photoelectric smoke detector head using Optica smoke sensing technology for Kidde KC2 Series initiating circuits. It provides wide-range smoke sensitivity, nuisance alarm discrimination, self-diagnostics, drift compensation, and a tri-color status LED; detector base is sold separately. Key Specifications: Type: Conventional 2-wire photoelectric smoke detector head Core Function(s): Detects smoke using photoelectric Optica multi-criteria sensing with nuisance event discrimination Loop/Protocol: Conventional 2-wire initiating circuit Power: 6.5 to 33 VDC; 88 uA typical standby current at 24 VDC; alarm current up to 60 mA maximum Sensitivity: 0.5 percent to 4.36 percent per ft Indicators/UI: Tri-color LED; solid red for alarm, flashing yellow for trouble, and flashing green for standby Features: Self-diagnostic monitoring, NFPA 72 sensitivity test support, and automatic drift compensation Compatible Bases & Accessories: KC2-SB - Standard base, 4 terminals, 4 inch diameter KC2-SB4 - Standard base with trim skirt, 4 terminals, 6 inch diameter KC2-RB - Relay base, 4 terminals, auxiliary relay, 4 inch diameter KC2-RB4 - Relay base with trim skirt, 4 terminals, auxiliary relay, 6 inch diameter GSA-LED - Remote indicator, single gang, white GSA-TS - Optional trim skirt SIGA-VA - Detector cleaning tool SIGA-RTA - Detector removal tool System Compatibility: Compatible with FX5, FX10, GSA-UM/MAB, RZI16-2, RZI16-2RS, and FX-2WIRE applications listed for the KC2 Series.