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Automatic Light Switches

DS4 Pneumatic Time Delay Switch

Simply push the button and turn the lights ON from 10 seconds to 10 minutes.

  • 6A incandescent and resistive loads.
  • 3A fluorescent and inductive loads. 
  • Replaces existing single gang wall switch. 
  • Ideal for staircases and corridors. 
  • Delay time range: 10 seconds to 10 minutes. 
  • Single pole/neutral not required. 
  • Compatible with 20mm back boxes.
Ds4 1
  • Energy Saving 2015
  • LEDs up to 80W
  • 3 Year Guarantee


Filament Load (Max.) 1.4kW
Fluorescent 700W
Stand-alone LED Rating 80W
Adjustable Time Delay 10 seconds to 10 minutes
Operating Voltage 230V AC
Operating Temperature -10°C to 40°C
Light ON Time Adjustable
EC Directives Conforms to Latest Directives
Dimensions (mm) Height 82, Width 82, Depth 40

The LED switching capabilities of this product can be increased up to 200W by the addition of the Timeguard ZV900 Automatic Switch Load Controller. The ZV900 is sold separately.

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