Square D EJB34030 30A 3-Pole Thermal-Magnetic – Bolt-On – 480Y/277V

The Square D EJB34030 is a 30 Amp, 3-Pole thermal-magnetic miniature circuit breaker designed for E-Frame NF Panelboards. Featuring bolt-on mounting and a high interrupt rating, it provides reliable short-circuit and overload protection for commercial lighting and power circuits.

Voltage and Rating

• Amperage: 30 Amps
• Voltage: 480Y/277 Volts AC
• Interrupt Rating:
• 100 kAIC @ 120V AC
• 100 kAIC @ 120/240V AC
• 100 kAIC @ 240V AC
• 65 kAIC @ 277V AC
• 65 kAIC @ 480Y/277V AC

Key Specifications

• Breaker Type: Thermal-Magnetic Miniature Circuit Breaker
• Poles: 3-Pole
• Mounting Mode: Bolt-On
• Wire Size: #14–6 AWG Cu, #12–6 AWG Al
• Tightening Torque: 30.09 lb-in
• Holding Current: 270 Amps
• Trip Current: 875 Amps

Product Data

• Manufacturer: Schneider Electric
• Brand: Square D
• Model Number: EJB34030
• UPC: 785901435327

• Dimensions:

  • Height: 5.66 in
  • Width: 2.94 in
  • Depth: 4.05 in
  • Weight: 4 lbs

• Certifications: UL Listed, HACR Rated, HID Rated, CSA

Returns are easy

You may return items within 10 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.