Square D EGB24125 - 125 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Square D EGB24125 — a 125 A, 480 V, 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Built by Square D, this thermal-magnetic unit delivers precise, repeatable performance to keep residential, commercial, and light industrial electrical systems safe and compliant.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical continuity even in environments with equipment vibration.
• Thermal-magnetic trip unit delivers stable, predictable protection for both overloads and short circuits, reducing nuisance trips and improving selective protection across feeders and subcircuits.
• OEM-compatible design ensures seamless replacement and compatibility with matching Square D panelboards and loadcenters, simplifying upgrades and stocking for service technicians.
• High-current, high-voltage capability at 125 A and 480 V makes it suitable for commercial and light industrial applications where robust protection is essential.
• 2-pole, molded case construction delivers reliable, space-efficient protection for balanced or 2-phase configurations in a wide range of installations.

Ideal use cases and applications

• New installations in commercial panelboards or loadcenters requiring a rugged bolt-on breaker for feeder or branch circuits up to 125 A at 480 V.
• Repairs or replacements in existing Square D systems where OEM compatibility ensures trouble-free operation and consistent trip characteristics.
• Industrial and light industrial equipment protection where compact, secure mounting and dependable overcurrent protection are critical.
• Residences with higher-demand electrical setups or commercial spaces that demand reliable protection against overloads and short circuits.

What this means in practical terms: you get a proven, high-performance breaker that stays securely in place, protects sensitive electrical infrastructure, and integrates smoothly with Square D ecosystems. By combining a bolt-on mounting method with a thermal-magnetic trip mechanism, it offers robust protection with straightforward maintenance and fewer unexpected trips during peak demand.

Key specifications at a glance

• Manufacturer: Square D
• Part Number: EGB24125
• Type: Thermal-magnetic molded case circuit breaker
• Amplitude rating: 125 A
• Voltage rating: 480 V
• Poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re stocking spare parts for maintenance crews, upgrading aging panelboards, or specifying components for a new build, the Square D EGB24125 delivers focused reliability, OEM compatibility, and practical protection that professionals trust in real-world electrical environments.