Ventlux VKS3 Retractive Key Switch for Smoke Vent | 28V DC 2-Way Surface Mount

The VKS3 was designed for easy installation in standard smoke control system where the installed cables have an insufficient number of cores for a standard 6-wire call point or antitamper operation is desired.

The retractive key switch prevents situations where the smoke control system is inadvertently left in CLOSE preventing automatic activation.

Features:
Easy installation and operation
Retractive key operation for safety
Compatible with most single zone control panels
Common key (A126)
Only 3-core cable between call point and control panel
Back box included for surface mounting
Multiple 20mm knock outs in black box for various cable entry options

Specifications:
Contact Rating: 4A at 125 VAC or 28VDC, 2A at 250 VAC
Lifespan: 6000 cycles at full load
Dimensions: 82x82x 46mm with back box(WxHxD)
Color: White and Orange
Mounting: Surface or Flush mounting