Siemens | HNXD63B100H | Circuit Breaker | 1000A | 3-Pole | 600V

Meet the Siemens HNXD63B100H Circuit Breaker—engineered for demanding, high-current three-phase power distribution. With a 1000A rating and a 3-pole configuration, this device delivers dependable overcurrent protection for critical industrial and commercial circuits operating up to 600V.

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the HNXD63B100H is a seamless fit within compatible Siemens panels and switchgear. Installing this unit helps preserve system integrity, reduces downtime, and keeps your power distribution running smoothly when it matters most.

Why this breaker stands out

• Three-pole design for balanced protection—handles three-phase loads with synchronized protection, ideal for large motors, conveyors, and heavy-duty equipment.
• High-current capability—1000A rating supports substantial feeder and equipment loads in industrial environments without frequent nuisance trips.
• 600V system compatibility—suitable for a wide range of industrial power networks where higher voltage distribution is standard.
• Direct reference for compatibility—the part number HNXD63B100H is the most reliable reference when matching to existing Siemens gear.
• Reliability within the Siemens ecosystem—designed to integrate with Siemens protection schemes, ensuring consistent performance across your panel and protection system.

Ideal users and scenarios

This breaker is a practical choice for facility managers, electrical contractors, and maintenance teams responsible for large commercial facilities, manufacturing floors, HVAC distribution, or data-center support infrastructure. Use it when you need a robust, three-phase primary protection device that aligns with Siemens panels and downstream equipment.

Use cases

• Replacing an aging or failed 3-pole breaker in a Siemens distribution panel that serves motors and heavy loads.
• Retrofit applications where existing equipment requires a 1000A, 3-pole solution within a 600V system.
• Spare part for scheduled maintenance to minimize downtime and keep power circuits protected during servicing.

Before ordering, confirm fit and ratings match your panel and bus arrangement. The HNXD63B100H part number is the best reference for compatibility with Siemens equipment.

Specifications at a glance

• Amperage: 1000A
• Poles: 3-Pole
• Voltage: 600V
• Part number: HNXD63B100H

Choose the Siemens HNXD63B100H to ensure precise compatibility, reliable protection, and streamlined integration with your existing Siemens power distribution infrastructure.