Westinghouse | LB3175 | Circuit Breaker | 175A | 3-Pole | 600V

The Westinghouse LB3175 circuit breaker is a robust, three-pole protective device designed to safeguard demanding 3-phase electrical systems. With a 175A rating and a 600V maximum, it’s built for reliable interruption in commercial and industrial panels, ensuring continued operation even in challenging environments. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 175 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Application: maintenance, retrofit, and replacement where matching specs are required
• Compatibility note: Confirm fit and ratings before ordering; the part number LB3175 is the best reference for compatibility

Why this LB3175 matters for your electrical distribution

In three-phase systems, protection must align precisely with your panel and the connected loads. The LB3175 provides dependable three-pole interruption to guard all phases simultaneously, helping prevent equipment damage and minimizing downtime during fault conditions. It’s particularly well-suited for panels and service disconnects that require a specific Westinghouse 3-Pole, 175A, 600V solution.

Who should consider this circuit breaker

• Facility managers refreshing aging panels in manufacturing floors, warehouses, or process lines
• Electrical contractors performing retrofit work or panel replacements in commercial/industrial settings
• Maintenance teams needing a precise, compatible substitute that matches existing LB3175 specifications

Practical guidance for use and installation

To ensure seamless compatibility, use the official part number LB3175 as your primary reference when sourcing replacement units. Before purchasing, verify that your system operates at up to 600V and that a 3-Pole configuration aligns with your panel’s bussing and mounting provisions. This approach helps you avoid mismatches that could complicate installation or performance.

Whether you’re upgrading an out-of-date protective device or completing a retrofit, the Westinghouse LB3175 delivers the trusted protection you rely on for reliable, three-phase electrical distribution in demanding environments.