Siemens FXD63M100 100A 3-Pole 600 V Circuit Breaker

Siemens FXD63M100 100A 3-Pole 600 V Circuit Breaker delivers dependable protection for three-phase electrical systems, engineered to interrupt fault currents quickly and safely isolate the affected circuit to minimize damage and downtime.

Identified by part number FXD63M100, this unit combines a 100-amp current rating with a 3-pole configuration and a 600-volt maximum rating, making it a versatile choice for a wide range of industrial and commercial installations.

Key specifications

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: FXD63M100

Use cases

• Protect 3-phase motor circuits in manufacturing lines, conveyors, pumps, and compressors
• Feed power to commercial equipment and HVAC systems requiring robust three-phase protection
• Serve as a reliable replacement in Siemens-based electrical panels and distribution networks

Why this Siemens breaker stands out

• Implements dependable Siemens engineering, ensuring compatibility with Siemens panels and components
• Three-pole protection across all phases helps prevent unbalanced faults and equipment damage
• Designed for prompt interruption of fault currents to safeguard wiring and connected machinery
• A practical, exact-fit replacement option for existing Siemens-based installations requiring FXD-series protection

Practical guidance

When selecting a breaker for a 3-phase, 600 V system, align the current rating with continuous load and consider motor inrush and startup characteristics. The FXD63M100 provides precise 100-amp protection across all three phases, helping maintain safe, reliable operation of your equipment.