Square D EGB34100 100A 3-Pole Thermal-Magnetic – Bolt-On – 480Y/277V

The Square D EGB34100 is a 100 Amp, 3-Pole thermal-magnetic circuit breaker designed for E-Frame NF panelboards and lighting panels. Featuring bolt-on mounting, aluminum lugs, and 65kAIC interrupt rating at 120/240V (35kAIC at 480Y/277V), it provides reliable short-circuit and overload protection for commercial lighting and power applications.

Voltage and Rating

• Amperage: 100 Amps
• Voltage: 480Y/277 Volts AC (also rated for 120/240 VAC)
• Interrupt Rating: 65 kAIC @ 120/240V, 35 kAIC @ 480Y/277V

Key Specifications

• Breaker Type: Thermal-Magnetic Circuit Breaker
• Poles: 3-Pole
• Mounting Mode: Bolt-On
• Trip Unit Technology: Thermal-Magnetic with trip indicator
• Hold Current: 1000 Amps
• Trip Current: 2300 Amps
• Connections Terminals: Aluminum lugs
• Wire Size: #14–2/0 AWG Cu, #12–2/0 AWG Al
• Tightening Torque: 34.5 lb-in (AWG 14–10), 49.6 lb-in (AWG 8–2/0)

Product Data

• Manufacturer: Schneider Electric
• Brand: Square D
• Model Number: EGB34100
• UPC: 785901311188

• Dimensions:

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

• Certifications: UL Listed, CSA, HACR Rated

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

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