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  Silent Knight SK-SD500SDM 2 Wire Smoke Module

Silent Knight SK-SD500SDM 2 Wire Smoke Module


Our Price : $70.76

Product Code: SK-SD500SDM


The SD500-SDM allows you to assign an address to a loop of conventional detection devices. These devices can be dry contacts such as pull stations and heat detectors, or 2-wire smoke detectors. This means you can retrofit an existing building and utilize existing conventional devices. The SD500- SDM uses a 24VDC auxiliary power input to power the conventional loop, and is connected to the SLC loop via two wires.


Operating Voltage: SLC: 32 VDC
Aux Power: 24 VDC
Aux.Power Current:
Standby: 20 mA
Alarm: 106 mA
SLC Current: Alarm/Standby: .55 mA
Max. SLC Loop Resistance: 50W
Max. 2-Wire Conventional Smoke
Loop Resistance: 50W
Dimensions: Length: 4-7/8"
Width: 4-7/8"
Depth: 7/8"
Operating Temperature: 32F to 120F (0C to 49C)
Humidity: 10 to 85% RH
  • Converts a conventional two-wire loop to an SLC loop
  • Fully supervised
  • Compatible with Class B (Style 4) and Class A (Style 6) loops
  • Listed for use with most major two-wire detectors
  • UL Listed

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