Westinghouse | MA3500S | Circuit Breaker | 500A | 3-Pole | 600V

Meet the Westinghouse MA3500S Circuit Breaker—a 500A, 3-Pole device engineered for 600V three-phase systems. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring you get the right fit the first time.

Key Specifications

• Amperage: 500A
• Poles: 3-Pole
• Voltage: 600V

Why this MA3500S matters

When your electrical system requires precise protection, the MA3500S delivers a like-for-like solution that aligns with your existing panel’s requirements. The part number MA3500S is the most reliable reference for compatibility, helping you avoid mismatches during outages or upgrades. Use this breaker for:

• Maintenance: replace a worn or failing breaker without altering panel design or wiring layouts.
• Retrofit: upgrade or modernize older installations while maintaining the same three-phase protection and voltage rating.
• Replacement: swap in a unit that mirrors your current specifications to restore expected performance quickly.

Fit, Compatibility and Installation Tips

To ensure a seamless purchase and installation, please:

• Confirm fit and ratings before ordering to prevent compatibility issues.
• Rely on the MA3500S part number as the best compatibility reference for your equipment.
• Have a licensed electrician verify the panel supports a 3-Pole, 500A, 600V breaker and perform proper installation and testing.

Ideal For

• Industrial facilities and distribution panels that require robust three-phase protection at 600V.
• Maintenance teams performing routine replacements of aging circuit breakers with exact specifications.
• Retrofit projects where preserving existing wiring, bus configurations, and protection ratings is essential.