Siemens | HMXD63B700 | Circuit Breaker | 700A | 3-Pole | 600V

Siemens HMXD63B700 is a high‑capacity circuit breaker built for demanding electrical systems. With a 700A rating and a 3‑pole configuration at 600V, this unit delivers solid, reliable overcurrent protection for complex power distribution in industrial and commercial environments.

Key specifications

• Amperage: 700A
• Poles: 3‑Pole
• Voltage: 600V
• Part number: HMXD63B700

Why this breaker matters for maintenance, retrofit, and replacement

When maintenance, retrofit, or replacement is on the agenda, matching exact specifications is essential to preserve protection coordination and system safety. The HMXD63B700 is designed to fit in scenarios where a 3‑pole, 700A device rated for 600V is required, ensuring a seamless transition without modifying panel infrastructure. Remember: the part number is the best reference for compatibility, so verify that HMXD63B700 aligns with your panel’s catalog and ratings before ordering.

Ideal use cases

• Retrofit aging panels with a like‑rated breaker to restore full protection and reliability.
• Replace a failed high‑current breaker in 600V distribution networks, keeping feeders and equipment safeguarded.
• Equip new or rebuilt electrical installations with a dependable Siemens‑brand, high‑current protection device.

What sets it apart

Unlike generic options, the HMXD63B700 is a Siemens component designed for compatibility with Siemens protection schemes and panels. Its 3‑pole construction provides coordinated control across three energized conductors, contributing to predictable trip behavior and safer shutdown under fault conditions.

Procurement and installation tips

Before ordering, confirm fit and ratings against your equipment catalog. Rely on the exact part number, amperage, pole count, and voltage to ensure proper compatibility. Keeping your panel model and the breaker’s intended protection settings in mind helps maintain correct coordination with upstream devices and reduces downtime.