Westinghouse | NB3500P | Circuit Breaker | 500A | 3-Pole | 600V

Meet the Westinghouse NB3500P circuit breaker—a rugged, reliable solution designed for demanding three-phase power systems. With a 500A rating, a 3‑pole configuration, and 600V compatibility, this unit is crafted for maintenance, retrofit, and replacement work where exact specs are non‑negotiable.

Why this NB3500P matters — the part number NB3500P is the clearest reference for compatibility. To ensure safe, effective protection, always confirm fit and ratings against your panel labeling or service manual before ordering.

• Amperage: 500A
• Poles: 3-Pole
• Voltage: 600V
• Best reference for compatibility: NB3500P part number
• Ideal use cases: maintenance, retrofit, and replacement in compatible electrical assemblies

Designed to safeguard three‑phase circuits, this breaker delivers dependable overcurrent protection in industrial and commercial distribution. By matching the exact protective characteristics of your existing system, it helps minimize unplanned downtime and avoids the risk of mismatched protection that can come with non‑identical replacements.

Who benefits most? electricians, facility managers, and hydraulic/industrial installations upgrading their panels or renewing aging protection. If your setup calls for a precise 500A, 3‑pole, 600V solution, the NB3500P provides a straightforward, compatible path to safer, more reliable operation.

Practical installation tips: verify panel compatibility with the NB3500P family, cross‑check the old breaker’s part number, and follow standard safety procedures during installation. When in doubt, consult the panel manufacturer documentation or a licensed electrician to ensure correct fitment and secure operation.