Siemens | HJXD63M350 | Circuit Breaker | 350A | 3-Pole | 600V

Experience reliable overcurrent protection with the Siemens HJXD63M350 circuit breaker. This 3-pole, 350 A, 600 V device is built for demanding electrical environments where precise specifications and durable performance matter. Use it for maintenance, retrofit, or replacement projects that require exact compatibility with existing Siemens assemblies.

Key specifications

• Amperage: 350 A
• Poles: 3-Pole (three-phase)
• Voltage rating: 600 V
• Part number: HJXD63M350

Why this breaker matters

• Designed to match the exact Siemens part reference for seamless integration in panels and equipment that require HJXD63M350.
• Three-pole configuration provides reliable protection across all three phases in three-phase systems, helping guard downstream equipment from overcurrent events.
• Specifically chosen for projects that demand precise current rating and voltage compatibility, reducing installation guesswork in retrofits and replacements.

Ideal use cases

• Maintenance on existing three-phase circuits that call for a 350 A, 600 V breaker.
• Retrofits or replacements in panels or gear that require the HJXD63M350 specification for continued performance and safety.
• Upgrades in commercial or industrial environments where consistent Siemens-compatible protection is preferred.

Installation and compatibility notes

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel or equipment.

With the Siemens HJXD63M350 circuit breaker, you’re selecting a precise, reliable solution for three-phase protection that aligns with your existing Siemens hardware and field-maintained systems.