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In-Wall Timer

Intermatic , KM2 ST-1G
QC Supply Part #: 10989
Shipping: Standard
Availability: In stock

Replace standard wall switches to provide automatic control of outdoor or indoor lighting, fans and more.


Replace standard wall switches with this In-Wall Timer from Intermatic® to provide automatic control of outdoor or indoor lighting, fans, pumps, office machines and other types of circuits. 

The captive trippers are easy to set and cannot be lost. Seventy-two trippers provide up to 36 ON/OFF events in a 24-hour period.


  • SPST 20A, 1HP @ 120 VAC switch
  • 36 on/off 20 minute intervals
  • 3 way off/auto/on override switch allows for continuous on or off positioning
  • Captive trippers with 20-minute switching interval
  • Replaces standard wall switches
  • Easy wiring and installation
  • Reliable synchronous timer motor
  • Works with fluorescent and compact fluorescent lights
Brand Intermatic
Manufacturer Part Number KM2 ST-1G

Manuals & Resources


Customer Reviews

  • 3 Stars

    Plus: works with fluorescent Negative: requires a neutral wire.

    Review by on May 15, 2012

    The unit has a nice design, and it works my CF bulbs, but I have not been able to install it, because I discovered that my wall switch box does not have a neutral (white) wire, just hot, load, and ground. I need to explore further to see if the neutral runs behind the box.

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