Skip Content


Bolt On Circuit Breaker, 20 Amps, Number of Poles: 2, 277/480VAC AC Voltage Rating

  • Item # 3TW23
  • My Part #
  • Mfr. Model # EDB24020
  • Catalog Page # 192
  • UNSPSC # 39121601
Bolt On Circuit Breaker,20A,2 Pole,EDB 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 $595.00 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 2.15 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

Product Details

This circuit breaker is designed for use with NF panelboards. It features bolt-on mounting capabilities.

View More

Technical Specs

  • Item Bolt On Circuit Breaker
  • Amps 20
  • Number of Poles 2
  • Circuit Breaker Type Standard
  • AC Voltage Rating 277/480VAC
  • DC Voltage Rating Not Rated
  • For Use With Square D NF Panelboards
  • Series EDB
  • Terminal Connection Lug
  • Max. AIR Rating 18 kA
  • Frame Size 125A/EDB
  • Min. Wire Size 14 AWG (Cu), 12 AWG (Al)
  • Max. Wire Size 6 AWG
  • Length 5.66"
  • Width 2.94"
  • Depth 4.05"
  • Standards UL Listed, CSA Certified, NOM 117 Certified
How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Search Terms

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.