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Intermatic T104 Series Mechanical Time Switch 40A 208-277V DPST


  • 4000 watt capacity
  • 208-277 VAC
  • 60 Hz

The heavy duty mechanical time switch is designed for industrial, commercial and residential applications. Features a high horsepower rating that is ideal for loads up to 40 amps resistive from 120-volts and direct 24-hour time switch control of most loads. All models are equipped with one “ON” and one “OFF” tripper. The unit contains a 1-circuit standard On/Off Double Pole Single Throw 40 Amps, 4000 watt capacity, 208-277 VAC 60 Hz.

  • Control electrical loads up to 40 Amps
  • Provides direct 24 hour control of most loads
  • 1 to 12 ON/OFF operations each day
  • Minimum ON/OFF times of 1 hour
  • Manual override
  • All models equipped with one ON and one OFF tripper



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We Adapt For You.

From a time when the world was a simpler place to today’s high-tech revolution, Intermatic products have brought solutions, big and small, to contractors, OEMs, facility managers and homeowners.

We Go Beyond.

Though we are headquartered in North America, our products still have a firm global reach. Grässlin, our global extension located in Germany, broadens our range throughout the European Union, UK, the Americas, Asia and the Middle East.

Like Our Products, We Stand the Test of Time.


Intermatic was founded in 1891. We’re good at what we do and we never stop working towards perfecting our products. Customer needs and market demands have driven the company’s evolution from its inception.Our success is the result of reliable products, forward-thinking and the support of a high-caliber group of employees. These factors have made Intermatic one of the most recognized names with contractors, facility managers and consumers alike.
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Additional information

Weight1.2 lbs
Dimensions8 × 5.5 × 3.25 in


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