Intermatic WH40 Mechanical Water Heater Time Switch

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Intermatic WH40 

WH40 Product Description

With the easy-to-set "Yellow Dial," these time switches allow for basic control of electric water heaters. These time switches offer a minimum ON/OFF time of one hour and are available for 208-250 VAC applications. With the proven reliability of our mechanical line, these time switches provide dependable electric water heater control.


Model Number WH40
Description Mechanical Water Heater Time Switch
UPC Code 078275007406
Brand Intermatic
Country of Origin (Intermatic) MEXICO
Warranty Period 1-Year limited
Control Specifications
Minimum ON/OFF Times 1 hour
Maximum ON/OFF Operations 12
Operation Mode 24 hour
Mechanism Type Analog/Mechanical
Has Manual Override Yes
Has Override Switch Yes
Application Compatibilities Electric Water Heater
Mechanical Specifications
Enclosure Type Indoor type 1 metal
Number of Trippers Included 2 ON/2 OFF
Electrical Specifications
Wiring Option Terminals
Input Voltage Range(s) 208-277 VAC, 60 Hz
Switch Type DPST
Maximum Power Consumption (W) 3 W
Amps Per Pole 40 A
Watts Resistive 10000

About Intermatic:

Our product portfolio broadened to include industrial- and commercial-grade controls starting in 1990 and would soon expand with a variety of progressive, energy-saving solutions. Today, Intermatic offers an extensive catalog of lighting and energy controls, surge protection devices, weatherproof covers, and Wi-Fi-enabled solutions as we continue to evolve and push the industry forward.
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Intermatic WH40 Mechanical Water Heater Time Switch
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