Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 2
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 3
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 4
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 5
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 6
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 7
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 8
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 9
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 2
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 3
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 4
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 5
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 6
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 7
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 8
Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker - Image 9

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Square D

Square D E-Frame, EJB34020, 20A, 3P, 480Y/277V, Bolt-On Circuit Breaker

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SKU: EJB34020 UPC: 785901326380
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$299.00
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Square D EJB34020: 20 Amp, 3-Pole thermal-magnetic circuit breaker, 480Y/277 Volts AC, 65kA interrupt rating, bolt-on mounting, UL Listed, HACR rated.

  • Manufacturer: Schneider Electric
  • Brand: Square D
  • Product Range: E-Frame (for Square D NF Panelboards and lighting panelboards)
  • UPC: 785901326380
  • Model Number: EJB34020
  • Breaker Type: Thermal-Magnetic Miniature Circuit Breaker
  • Amperage: 20 Amps
  • Poles: 3-Pole
  • Voltage: 480Y/277 Volts AC
  • Interrupt Rating: 65 kAIC at 480Y/277V AC, 100 kAIC at 120/240V AC
  • Mounting Mode: Bolt-On
  • Connections Terminals: Aluminum lugs
  • Wire Size: #14-6 AWG Cu, #12-6 AWG Al
  • Tightening Torque: 30.09 lb-in
  • Hold Current: 270 Amps
  • Trip Current: 875 Amps
  • Trip Unit Technology: Thermal-magnetic with trip indicator
  • Dimensions: Height: 5.66 in; Width: 2.94 in; Depth: 4.05 in
  • Weight: 4 lbs
  • Certifications: UL Listed, CSA, HACR Rated, HID Rated, TAA Compliant

This Square D EJB34020 thermal-magnetic circuit breaker delivers dependable 20 Amp, 3-Pole protection for 480Y/277V circuits in E-Frame NF panelboards. Designed for bolt-on installation with 65kA interrupt rating, it supports commercial and industrial lighting applications with superior overload and short circuit protection.

There is a $15 charge for delivery under $250 orders. Additional charges will be imposed by our couriers for delivery to remote areas, a surcharge may be levied to cover carriage to these areas.

Warranty Coverage

We stand behind every product we sell. Coverage depends on the condition of the item at time of purchase:

  • New: 12-month warranty
  • New Open Box: 10-month warranty
  • Reconditioned: 90-day warranty

Warranty coverage begins on the date of delivery and covers manufacturing and functional defects under normal use. It does not cover damage from misuse, improper installation, or unauthorized repair. To make a warranty claim, contact us at support@breakersmart.com with your order number and a description of the issue.