Westinghouse | HMA2400T | Circuit Breaker | 400A | 2-Pole | 600V

Meet the Westinghouse HMA2400T circuit breaker—a rugged, purpose-built protective device engineered for reliability in demanding 600V systems. With a 400A rating and 2-pole design, this breaker is tailored for maintenance, retrofit, and replacement projects where exact specifications matter. When you need a seamless match for your existing setup, the HMA2400T delivers consistent performance you can trust.

Key specifications at a glance

• Amperage: 400A
• Poles: 2-Pole
• Voltage rating: 600V
• Part number: HMA2400T

Why this matters The HMA2400T is designed to protect two hot lines in higher-voltage circuits, delivering rapid disconnection on fault conditions to minimize equipment damage and downtime. Its 600V rating makes it well-suited for industrial and commercial power distribution where robust protection is essential.

Ideal use cases: maintenance, retrofit, and replacement

• Replacement: Direct-fit for aging or failed breakers that share the same amperage and voltage specifications.
• Retrofit: Upgrade protection in panels that operate at 600V with high-load demands, ensuring compatibility with existing infrastructure.
• Maintenance: Regularly verify the breaker’s condition to maintain reliable fault isolation and system safety.

Fit, compatibility, and installation notes

Before ordering, confirm that the HMA2400T matches your panel’s mounting style and ratings. The part number is the clearest reference for compatibility, helping you avoid mismatches and ensuring a smooth installation.

Practical guidance and insights

• Consult your panel documentation to verify that a 2-pole, 400A, 600V device aligns with bus configuration and protection requirements.
• Adhere to manufacturer torque specs and secure electrical connections to maintain reliable protection.
• Store and transport the breaker in its original packaging to preserve the integrity of its trip mechanism and terminals.

Choose the Westinghouse HMA2400T for a precise, durable solution that aligns with your existing safety margins, minimizes downtime, and provides dependable overcurrent protection for demanding 600V circuits.