Square D EGB34090 90A 3-Pole Thermal-Magnetic – Bolt-On – 480Y/277V

The Square D EGB34090 is a 90 Amp, 3-Pole thermal-magnetic circuit breaker designed for E-Frame NF panelboards and lighting applications. With bolt-on mounting, a Visi-Trip indicator, and 65kAIC interrupt rating, it delivers reliable overload and short-circuit protection for commercial and industrial circuits.

Voltage and Rating

• Amperage: 90 Amps
• Voltage: 480Y/277 Volts AC, 120/240 Volts AC
• Interrupt Rating: 65 kAIC @ 120/240V; 35 kAIC @ 277V and 480Y/277V

Key Specifications

• Breaker Type: Thermal-Magnetic Circuit Breaker
• Poles: 3-Pole
• Mounting Mode: Bolt-On
• Trip Unit Technology: Thermal-Magnetic
• Trip Indicator: Visi-Trip for visual trip status
• Hold Current: 1000 Amps
• Trip Current: 2300 Amps
• 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: EGB34090
• UPC: 785901130475

• Dimensions:

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

• Certifications: UL Listed, CSA, HACR Rated

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

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.