Square D | LH36125 | Circuit Breaker | 125A | 3-Pole | 600V

Meet the Square D LH36125 Circuit Breaker — a rugged, precision-designed protective device built for three-phase power systems. With a 125A rating across 3 poles and a 600V rating, this breaker delivers dependable overload and short-circuit protection for commercial and light industrial electrical circuits.

Built for maintenance, retrofit, and replacement projects where exact specifications matter, the LH36125 ensures your panel continues to operate safely and within code. The part number LH36125 is the best reference for compatibility, making it straightforward to match this breaker to existing equipment and panels during service or upgrades.

Key specifications

• Amperage: 125 A
• Poles: 3-Pole
• Voltage: 600 V
• Part number: LH36125

Why this Square D LH36125 stands out

• When your project requires a precise 3-pole, 125A, 600V protection device, the LH36125 is the go-to reference for matching panels and bus configurations.
• Simultaneous disconnection of all three conductors provides safer de-energization for three-phase equipment and loads.
• Specifically positioned for replacement and upgrade scenarios without compromising protection characteristics.
• Rely on the part number as the primary guide to ensure proper fit in your existing Square D ecosystem.

Ideal use scenarios

• Retrofit projects in commercial panels where a 3-Pole, 125A, 600V breaker is required to restore circuit protection.
• New installations in three-phase distribution networks that demand robust, industry-standard Square D protection devices.
• Maintenance windows and service upgrades where exact spec matching minimizes downtime and risk.

Important: Confirm fit and ratings before ordering. Use the LH36125 part number as your primary compatibility reference to ensure seamless replacement and continued system protection.