Siemens | HNX3U100 | Circuit Breaker | 1000A | 3-Pole | 480V

Siemens HNX3U100 is a robust, high-current circuit breaker designed for demanding 480V three-phase power distributions. With a 1000A rating and a 3-pole configuration, this unit delivers reliable protection and fast fault isolation in industrial environments where uptime matters.

• Part Number: HNX3U100
• Amperage: 1000A
• Poles: 3-Pole
• Voltage: 480V
• Applications: maintenance, retrofit, and replacement in 480V three-phase systems
• Compatibility: Confirm fit and ratings before ordering; the part number is the best reference for compatibility

Distinctive value for industrial teams: this Siemens breaker is designed to integrate with Siemens panels and switchgear, providing a seamless replacement path in high-demand environments. The 3-pole, 480V configuration is ideal for centralized protection of three-phase feeders, helping to isolate faults quickly and protect both equipment and personnel.

• Retrofits or upgrades of legacy 480V panel assemblies in manufacturing facilities
• Replacement for failed 3-pole breakers in heavy machinery lines and material handling systems
• Power feeders for large motors, conveyors, and other high-load equipment in industrial plants
• Maintenance stock for facilities relying on consistent, predictable protection

Practical buying and installation note: before placing an order, verify the exact fit against your electrical schematics and enclosure catalog. The HNX3U100 is the best reference for compatibility, ensuring you match amperage, pole count, and voltage to your equipment. If there’s any doubt, consult your panel documentation or a Siemens-approved distributor to confirm correct ordering.

Safety and handling: installation or replacement should be performed by a qualified electrician. Always de-energize equipment and follow local electrical codes and lockout/tagout procedures to protect personnel and prevent damage.