Intermatic WH40
Estimated Delivery between and with free shipping.
Overnight shipping is also available.
Free Shipping
1 Year Warranty
A+ Rated On The BBB
10% Off First Order
Based In The USA
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.Mechanical Water Heater Time Switch
Intermatic WH40 is now available from Williams Automation.
If you need a specific firmware version or series for this item, please call or email us with your request. We can also provide specifications and/or a data sheet for this item upon request. Please call or email us if you need one.
We offer Overnight shipping for most items listed on our website. Please get in touch with us to confirm whether the product can ship overnight on the day of your order. Cutoff times are typically 2-3 PM EST. Lead times can range from 1 to 4 business days.
Call (803) 761-7027 if you have any questions about availability, or email us at sales@williamsautomation.com.
Knockout
- Knockout Dimensions Back
- (1) combination 1/2" - 3/4"
- Knockout Dimensions Bottom
- (2) combination 1/2" - 3/4"
- Knockout Dimensions Left
- (1) combination 1/2" - 3/4"
Load Ratings
- Resistive Load Ratings Ranges
- 40 A Max, 208-277 VAC, 60 Hz
Specifications
- Amps Per Pole
- 40 A
- Application Compatibilities
- Electric Water Heater
- Applications
- Agriculture Feeders; Greenhouse Misting Control; Water Heater Control
- Clock Motor Voltage
- 208/277 VAC, 60 Hz
- Color
- Gray
- Country of Origin
- Mexico
- CSA Certification
- cCSAus
- Enclosure Type
- Indoor type 1 metal
- Has Manual Override CVL
- Yes
- Has Override Switch CVL
- Yes
- Input Voltage Ranges
- 208-277 VAC, 60 Hz
- Lifecycle
- Production
- Market
- Commercial; Residential
- Maximum On Off Operations
- 12
- Mechanism Type
- Analog/Mechanical
- Minimum On Off Time
- 1 hour
- Number Of Circuits
- 1
- Number Of Trippers Included
- 2 ON/2 OFF
- Operating Temperature Max
- 54°F
- 130°C
- Operating Temperature Min
- -40°C
- -40°F
- Operation Mode
- 24 hour
- Packaging Applications
- Residential; Institutional; Industrial; Commercial; Military Facilities; Schools
- Power Consumption Max W
- 3 W
- Product Depth
- 3 7/16 in; 87.3 mm
- Product Height
- 7 7/8 in; 200 mm
- Product Width
- 5 1/8 in; 130.2 mm
- Solutions
- Machinery & Pumps; Energy Savings
- Switch Type
- DPST
- Timing Interval
- 1 hr
- UL Cerfication File Number
- UL917
- UL Certification
- cULus
- Unit Carton Description
- EA-Each
- Units Per Pallet
- 288
- Warranty Period
- 1-Year limited
- Watts Resistive
- 10000
- Wire Size Max
- #8 AWG
- Wire Size Min
- #14 AWG
- Wiring Option
- Terminals
Reviews
What our customers say
BBB 4.7 
Rating they have quick great service and quick shipping!! would recommend doing business over and over!!
January 7 on 
Great price and speedy delivery. I am certain, based on my first statement that if needed, customer support will be excellent
December 31 on
Great customer service, fast shipping. Nice to deal with a company that shows they care about their customers.
December 5 on
I got the part and it was exactly what i needed to get my dust collector up and running again! It was also at very reasonable price. Thanks!
December 4 on
Another great purchase from Williams Automation. You will have peace of mind knowing your getting authentic parts from Williams Automation. Very easy to work with and great customer service. Plus you get at a competitive price and not three times what it should be.
November 6 on
Exceptional customer service! They had the elusive part I required readily available and responded promptly to all my emails.
November 2 on
Great customer service. Had the hard to find parts I needed in stock. All emails answered promptly.
October 9 on
Had what I needed in stock, shipped fast and arrived within the time frame indicated. It was packaged securely.
August 28 on
Perfect purchase! The whole process was great, including the packaging and shipping. Finally a company who cares!
August 13 on
Great service and Best prices ! Very organized company and helpful too. Will definitely buy again
August 10 on