Square D EGB26125 - 125 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D EGB26125 — a 125 A, 480 V, 2-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for demanding residential, commercial, and light industrial environments, this breaker combines rugged reliability with precise protection when it matters most.

Secure, vibration-resistant mounting

The bolt-on mounting delivers a rigid, secure connection to the bus, reducing vibration-induced movement and ensuring dependable performance over the life of the installation. A solid bus connection translates to fewer nuisance trips and easier maintenance in demanding service conditions.

Thermal-magnetic protection you can trust

Equipped with a thermal-magnetic trip unit, this breaker provides stable, repeatable protection against overloads and rapid response to short circuits. The dual sensing mechanism coordinates overload protection with fast fault clearing, safeguarding conductors and equipment while minimizing unnecessary outages during normal load fluctuations.

OEM-ready compatibility

Designed to pair with matching OEM load centers and panelboards, this 2-pole breaker fits seamlessly into existing systems. It’s an ideal choice for upgrades, retrofits, or new installations that require factory-backed protection without compatibility risks.

Ideal for a wide range of installations

Whether wiring a home distribution panel, a commercial electrical room, or light industrial equipment, the EGB26125 delivers reliable protection for branch circuits at a 125 A rating and 480 V operation. It’s a practical solution for circuits that demand robust safeguarding in compact form factors.

Technical snapshot

• Manufacturer: Square D
• Part Number: EGB26125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125 A
• Voltage Rating: 480 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Installation and care tips

Before installing, ensure your panelboard supports bolt-on breakers of this rating and polarity. Adhere to Square D installation guidelines for torque and clearance to preserve optimal trip performance. During routine maintenance, keep the area around the breaker clean and inspect for signs of wear or corrosion on the bus connections to maintain reliability.

What makes this choice stand out

The combination of a secure bolt-on connection with a thermal-magnetic trip unit provides a nuanced protection strategy ideal for varying load profiles. Compatibility with OEM panelboards minimizes integration risk, while the 125 A, 480 V, 2-pole configuration offers a practical balance of protection and capacity for many commercial and light industrial applications.