Westinghouse | RLM3350 | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse RLM3350 circuit breaker—a purpose-built bolt-on, three-pole protection device designed for demanding 3-phase electrical systems. With a 350A rating and a 600V operating range, this breaker is positioned for maintenance, retrofit, and replacement scenarios where exact specifications are essential.

• Amperage: 350A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part number reference: RLM3350 — the best compatibility guide is the part number itself

Why this model stands out

• Designed for maintenance, retrofit, and replacement tasks where matching specs are required, reducing guesswork and downtime.
• Three-pole configuration provides balanced protection across all phases in 3-phase circuits, helping to safeguard equipment and maintain electrical stability.
• Bolt-on mounting delivers secure, straightforward installation in compatible panels, helping technicians complete service without complex wiring changes.
• Rated for 600V systems, making it suitable for industrial equipment, control panels, and other high-voltage applications where reliable overcurrent protection matters.

Ideal use scenarios

• Routine maintenance or scheduled replacement of aging breakers in 3-phase systems.
• Retrofit projects where existing equipment requires a 350A, 3-pole, bolt-on solution to restore performance.
• Upgrading or restoring protection in panels that rely on RLM-series or equivalent bolt-on breakers and require exact part-number compatibility.

How it protects and why it matters

The RLM3350 provides reliable overcurrent protection for multi-phase circuits, interrupting current flow to prevent damage from faults or short circuits. In real-world terms, it helps minimize downtime, reduces the risk of equipment damage, and supports safer, more predictable operation in industrial environments.

Important compatibility note

Confirm fit and ratings before ordering. The part number is the best reference for compatibility, ensuring you select the exact component that matches your panel and service requirements.

If you’re converting an older system or refreshing a panel with a dependable, high-capacity protective device, the Westinghouse RLM3350 circuit breaker offers a precise, bolt-on solution built for 3-phase, 600V applications and demanding maintenance schedules.