Square D EJB34050 50A 3-Pole Thermal-Magnetic – Bolt-On – 480Y/277V

The Square D EJB34050 is a 50 Amp, 3-Pole thermal-magnetic miniature circuit breaker designed for E-Frame NF lighting panelboards. With bolt-on mounting and a high interrupt rating, it provides reliable short-circuit and overload protection for commercial and industrial electrical circuits.

Voltage and Rating

• Amperage: 50 Amps
• Voltage: 480Y/277 Volts AC
• Interrupt Rating: 100 kAIC @ 120/240V AC, 65 kAIC @ 480Y/277V AC

Key Specifications

• Breaker Type: Thermal-Magnetic Miniature Circuit Breaker
• Poles: 3-Pole
• Mounting Mode: Bolt-On
• Trip Unit Technology: Thermal-Magnetic with Trip Indicator
• Hold Current: 630 Amps
• Trip Current: 1800 Amps
• Wire Size:
• Smaller wires: #14–10 AWG Cu, #12–10 AWG Al
• Larger wires: #8–2/0 AWG Cu, #8–2/0 AWG Al
• Tightening Torque: 34.5 lb-in (#14–10 AWG), 49.6 lb-in (#8–2/0 AWG)

Product Data

• Manufacturer: Schneider Electric
• Brand: Square D
• Model Number: EJB34050
• UPC: 785901335238

• Dimensions:

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

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

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

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