LB3125S | Circuit Breaker | 125A | 3-Pole | 600V

LB3125S is a rugged industrial circuit breaker designed for demanding electrical environments. Identified by the LB3125S part number, this unit is built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring your panel protection stays reliable without guesswork.

Key specifications

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

Note: Confirm fit and ratings before ordering. The LB3125S part number is the best reference for compatibility.

Why this matters in the field

In industrial settings, using the exact part number is the surest way to ensure the protective device matches your system’s requirements. The LB3125S provides proven protection for three-phase networks at 600V, making it a dependable choice when your existing breaker is worn, out of spec, or needs replacement during a retrofit.

Ideal use cases

• Maintenance on legacy panels that require a precise 125A, 3-Pole, 600V replacement.
• Retrofit projects to upgrade protection capabilities without altering the panel architecture.
• Replacement for failed or degraded breakers to restore reliable three-phase protection.

Practical considerations

Before purchasing, verify that your panel is rated for 600V and supports a 3-Pole breaker. Check the exact fitment and electrical ratings against the LB3125S to avoid compatibility gaps. Relying on the specific part number helps ensure you’re pairing the correct device with your enclosure, wiring, and overall protection scheme.