Westinghouse | MC2400M | Circuit Breaker | 400A | 2-Pole | 600V | Bolt-On

The Westinghouse MC2400M is a purpose-built bolt-on circuit breaker designed for demanding 600V electrical environments. With a robust 400A rating across 2 poles, it delivers reliable overcurrent protection for heavy-duty circuits, making it an ideal choice for maintenance, retrofit, and replacement projects in compatible panels.

Key specifications at a glance

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part number: MC2400M

Who benefits from the MC2400M

• Electricians and facilities teams performing panel retrofits in commercial or light industrial settings
• Maintenance crews replacing aging or failed breakers in bolt-on Westinghouse panels
• Projects requiring precise compatibility with legacy equipment where the MC2400M is the best reference part number

Why this breaker stands out

• Direct compatibility with legacy bolt-on panels: The MC2400M is purposefully designed to align with Westinghouse bolt-on configurations, minimizing modification work and downtime.
• Clear compatibility reference: The part number MC2400M serves as the most reliable indicator for matching fit and ratings, helping you avoid misfits during ordering.
• High-capacity protection for demanding circuits: A 400A rating supports large feeders and critical loads, delivering dependable short-circuit and overcurrent protection in 600V systems.

Practical use cases and scenarios

Use the MC2400M as the main protection device in large service panels or feeder panels that require a two-pole 400A, 600V bolt-on breaker. It’s especially suitable for:

• Replacing a failed bolt-on breaker in legacy Westinghouse installations
• Upgrading panel protection during panel modernization or capacity expansion
• Retrofitting older equipment to meet current safety and reliability standards

Installation and compatibility notes

Before ordering, confirm that your panel accepts bolt-on breakers and that the MC2400M’s specifications meet the system’s requirements. Use the part number MC2400M as the primary compatibility reference to reduce the risk of mismatches. Always follow proper electrical safety practices, and ensure the power is isolated and the work complies with local codes and standards. For best results, rely on a qualified electrician to perform the installation and verification.

In summary, the Westinghouse MC2400M delivers robust 400A, 2-pole protection for 600V systems in a bolt-on format—an asset for retrofit and replacement projects that demand a precise, reliable compatibility with legacy panels. If you’re restoring or upgrading a compatible Westinghouse setup, this breaker provides the dependable performance your electrical distribution needs.