Eaton | MD2400 | Circuit Breaker | 400A | 2-Pole | 600V

Eaton MD2400 400A 2-Pole 600V Circuit Breaker is built to protect 600-volt electrical distributions with precision, making it an essential choice for maintenance, retrofit, and replacement projects. Designed to integrate into compatible Eaton panel ecosystems, this 2-pole breaker delivers reliable overcurrent protection where exact specifications matter.

Why choose the MD2400 for your next upgrade or repair? It targets a very specific need: a 400 A capacity in a 2-Pole form factor for circuits operating at 600V. When your project requires this exact combination, the MD2400 ensures you’re matching the original design intent and protection scheme, reducing the risk of compatibility issues down the line. The part number is the best reference for compatibility, so verify the MD2400 model before ordering to ensure a seamless fit.

Key specifications

• Amperage: 400 A
• Poles: 2-Pole
• Voltage: 600 V
• Part Number: MD2400

Practical usage and scenarios

Ideal for routine maintenance where a breaker has tripped or degraded, for retrofit projects updating older installations to current protection standards, or as a precise replacement in service panels that require the MD2400 specification. This breaker is suited for 600V systems common in commercial and industrial environments, where dependable, drop-in protection is critical for keeping equipment safe and downtime minimal.

Who benefits most

Electricians, facilities engineers, and maintenance teams responsible for 600V distribution. If you’re working within an Eaton panel family or replacing a faulty unit with identical ratings, the MD2400 provides a straightforward, spec-aligned solution that simplifies inventory and procurement.

Guidance for purchasing and installation

Before purchasing, confirm fit and ratings against your existing panels and circuits. Use the MD2400 part number as the definitive reference to prevent mismatches. For installation, rely on a licensed electrician, ensuring the power is fully de-energized and that the circuit environment aligns with the 600V, 400A, 2-Pole configuration your project requires.