Siemens HFXD63B175 175A 3P Circuit Breaker | AmpState

Meet the Siemens HFXD63B175 — a genuine Siemens circuit breaker built for reliable circuit protection in panelboards, load centers, and electrical distribution systems. With a 175 A rating and three poles, this unit is designed to fit the original HFXD63B175 configuration, helping you maintain the integrity of your electrical distribution when replacing or stocking spares. Key specifications

• Manufacturer: Siemens
• Part number: HFXD63B175
• Product type: Circuit Breaker
• Amperage: 175 A
• Poles: 3
• Applications: panelboards, load centers, electrical distribution
• Ideal for: replacement projects and stocking spares to align BOM with the original part number

This 3-pole, 175 A Siemens breaker is purpose-built for panelboard protection and distribution reliability. Whether you’re performing a retrofit, replacing a failed unit, or stocking components for ongoing maintenance, the HFXD63B175 ensures the same electrical characteristics and fit as the original installation. Why choose this model?

The HFXD63B175 is a genuine Siemens part designed to preserve the exact performance profile of your existing system. Keeping the BOM aligned to the original part number simplifies procurement, reduces the risk of compatibility issues, and minimizes downtime during service windows. By selecting a like-for-like replacement, you maintain consistent trip settings, wiring configurations, and overall protection scheme across your panel hierarchy.

Ideal use cases

• Replacing a worn or failed Siemens breaker in commercial or industrial panelboards
• Stocking spares for preventive maintenance programs where BOM integrity matters
• Repairs in distribution systems that require the exact spec and fit of the HFXD63B175
• Retrofits or upgrades where original part compatibility is critical for electrical distribution safety

Compatibility & support

Unsure if this is the right fit for your panel or distribution setup? AmpState provides guidance to confirm compatibility. Need help matching a part number or confirming fit? Message us and we’ll help you verify the correct configuration for your specific panelboard or load center.

Available from AmpState, the Siemens HFXD63B175 175 A 3P circuit breaker is a strategic choice for dependable protection and streamlined maintenance of your electrical distribution network.