Siemens HFXD63B150 150A 3P 600V Circuit Breaker, Bolt-On | AmpState

Siemens HFXD63B150 is a high-capacity circuit breaker engineered for dependable protection in panelboards, load centers, and electrical distribution systems. With a bolt-on mount design, this unit delivers a solid, field-friendly installation that keeps service disruptions to a minimum.

Ideal for maintenance teams, panel builders, and spare inventory where exact part-number matching matters, the HFXD63B150 combines Siemens reliability with straightforward compatibility for seamless integration into existing electrical layouts.

Key specifications

• Manufacturer: Siemens
• Part Number: HFXD63B150
• Amperage: 150 A
• Poles: 3
• Voltage: 600 V
• Mounting: Bolt-On

Why this Siemens bolt-on circuit breaker stands out

• Direct part-number match minimizes procurement guesswork and speeds up replacements during maintenance or retrofit projects.
• Three-pole design provides reliable three-phase circuit protection for commercial or industrial distributions, helping keep your three-phase networks balanced and safer.
• 600 V rating aligns with common industrial and higher-demand applications, expanding compatibility across panelboards and load centers in demanding environments.
• Bolt-On installation simplifies field mounting and replacement, reducing labor time and ensuring a secure, solid connection.
• Reliable protection for electrical distribution—a trusted Siemens component designed to shield wiring and equipment from overloads and faults in everyday operations and peak demand scenarios.

Ideal use cases

• Upgrading or stocking spare inventory for panelboards and load centers in commercial or industrial facilities
• New panel builds where a defined, exact part-number match is required for compatibility and compliance
• Maintenance projects needing quick, reliable replacement of a 150 A, 3-pole, 600 V circuit breaker

How it compares and practical tips

Compared to generic breakers, the Siemens HFXD63B150 offers a precise match to Siemens panel systems and distribution layouts, reducing fit issues and downtime. For best results, verify that your panelboard or distribution center is designed for bolt-on breakers of this rating and that the 3-pole, 600 V specification aligns with your existing three-phase circuits. If you’re unsure about fit, AmpState specialists are ready to help confirm compatibility and guide you to the right solution.

Procure with confidence from AmpState—the Siemens HFXD63B150 150 A, 3P, 600 V bolt-on circuit breaker is engineered to protect your electrical distribution with clarity, reliability, and lasting performance. If you need help confirming fit or identifying the exact replacement, send us a message and we’ll assist you in seconds.