Westinghouse | MA3700 | Circuit Breaker | 3-Pole | 600V

The Westinghouse MA3700 3-Pole 600V Circuit Breaker is engineered to shield your electrical system from overloads and short circuits in demanding, real-world environments. With a 3-pole design and a 600-volt rating, it provides robust, synchronized protection across all phases of your 3-phase distribution.

Built with maintenance, retrofit, and replacement in mind, this unit slots into panels and applications that require exact specifications. When you’re updating legacy gear or restoring service, the MA3700 offers a like-for-like solution that minimizes downtime and keeps your system operating smoothly.

Key compatibility and selection notes

• Part reference: The MA3700 is the definitive compatibility reference—use the part number to ensure a correct match in your panel or enclosure.
• Voltage and configuration: 600V, 3-Pole configuration for reliable protection of 3-phase circuits.
• Fit and ratings: Always confirm the physical fit and electrical ratings for your specific panel before ordering.

Why this matters for your project

• Reliable, like-for-like replacement for aging or failed breakers in Westinghouse-installed systems, reducing compatibility risk.
• Ideal for retrofit projects where keeping existing control logic and wiring intact is important—no unnecessary panel changes.
• Streamlined maintenance planning with a proven part number that aligns with established electrical specifications.

Practical use cases

• Replacing a worn-out breaker in a 3-phase distribution panel to restore dependable protection without reconfiguring the system.
• Retrofit in commercial or light industrial facilities where a 3-Pole, 600V device is specified for continuity and safety.
• Maintenance cycles in legacy equipment that rely on standard, easy-to-source Westinghouse components.

What you’ll get

• One Westinghouse MA3700 Circuit Breaker — 3-Pole, 600V (reference the MA3700 part number for compatibility).