Siemens | JD62B400 | Circuit Breaker | 400A | 2-Pole | 600V

Meet the Siemens JD62B400 Circuit Breaker—your dependable high-current protection solution built for reliability in demanding electrical environments. Identified by the JD62B400 part number, this 2-pole breaker is designed for applications where solid performance and precise compatibility matter.

• 400A current rating provides decisive protection for heavy feeders and main circuits, helping to prevent damage from overloads and faults.
• 2-pole design ensures simultaneous disconnection of both conductors, enhancing safety and trip coordination in 600V systems.
• 600V maximum system voltage aligns with a wide range of industrial and commercial electrical installations, offering versatile protection for modern panel boards.
• Maintenance, retrofit, and replacement ready specifically suited for scenarios where matching specs are required, making upgrades and part replacements straightforward.
• Part number reference—JD62B400 is the most reliable identifier to confirm compatibility with your equipment and panel configuration.
• Fit verification before ordering is essential to ensure seamless integration with your existing gear and to maintain compliance with applicable codes.

Why this Siemens circuit breaker stands out

Siemens brings a legacy of electrical protection that combines robust performance with thoughtful compatibility. The JD62B400 is crafted for environments where reliability matters—from industrial facilities to retrofit projects—delivering predictable, safe shutoff when it’s needed most.

Ideal use cases

Use this 400A, 2-pole, 600V circuit breaker for high-current feeders, main distribution panels undergoing upgrades, or replacement scenarios in which exact specifications must be matched. It’s a practical choice for facilities managers and electricians tackling panel modernization or maintenance without compromising system integrity.

Specifications at a glance

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 600V
• Part number: JD62B400
• Applications: maintenance, retrofit, and replacement where specs must align
• Compatibility tip: Confirm fit and ratings before ordering; the JD62B400 reference is your best guide to compatibility.