Skip Content


Electromechanical Timer, 208 to 277VAC Voltage, 40 Amps, Max. Time Setting: 20 hr.

  • Item # 3FWY8
  • My Part #
  • Mfr. Model # T174R
  • Catalog Page # 427
  • UNSPSC # 39121523
Electromechanical Timer,24-Hr,DPST,40A close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $218.50 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Get Free Standard Shipping
  • Shipping Weight 3.5 lbs.
Country of Origin Mexico Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item Electromechanical Timer
  • Number of Poles 2
  • Contact Form DPST-NO
  • Voltage 208 to 277VAC
  • Amps 40
  • Contact HP @ 240V 5
  • Day Skipper Yes
  • Enclosure Type Steel
  • Finish Gray Enamel
  • NEMA Rating 3R
  • Min. Time Setting 1 hr.
  • Max. Time Setting 20 hr.
  • Max. On/Off Cycles 10
  • Width 5-1/2"
  • Depth 3-5/8"
  • Height 9-3/8"
  • Number of Trippers Included 2
  • Extra Trippers 11Z965
  • Operating Temp. -40 to 158
  • Description/Special Features Provides Up to 10 ON/OFF Operations Each Day with Min ON/OFF Operations of 1 Hour and Max ON Time of 20 Hours
  • Mount Keyhole
  • Standards CSA Certified (LR3730), UL Listed (916)
How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Alternate Search Terms

Related Products

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.