Siemens HFXD63B175L - 175 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Siemens HFXD63B175L — a rugged, reliable 175A, 600V, 3-pole molded case circuit breaker designed to shield electrical systems from overcurrent and short-circuit events. purpose-built for panelboards and load centers, it delivers precise protection where it matters most.

Why choose the Siemens HFXD63B175L

• Compact molded case design translates to efficient use of panel space, helping you fit more circuits into tight enclosures without compromising protection.
• Thermal-magnetic trip unit provides stable, repeatable protection performance across a range of fault conditions, reducing nuisance trips and ensuring dependable operation.
• 3-pole configuration is ideal for 3-phase systems and easier integration in shared panel layouts, simplifying wiring and layout planning.
• 175A, 600V rating supports medium-sized branch circuits with robust insulation and voltage tolerance, suitable for a variety of residential, commercial, and light industrial applications.
• OEM panel compatibility ensures seamless integration with matching Siemens OEM load centers and panelboards, promoting reliable performance and straightforward replacement in existing installations.

What this breaker does for your electrical system

The HFXD63B175L provides essential protection for branch circuits in panelboards and loadcenters by interrupting fault currents and preventing downstream damage. With its thermal-magnetic trip mechanism, you gain a protective device that responds predictably to both overloads and short circuits, helping to safeguard wiring, devices, and occupants. Its compact form and compatibility with Siemens and matching OEM panels make it a practical upgrade or replacement in upgrades, renovations, or new builds.

Ideal use scenarios

• Residential subpanels and main distribution panels where space is at a premium but protection must be uncompromised.
• Commercial electrical gear in small to mid-size facilities, such as offices, retail spaces, or light industrial environments.
• Repairs or replacements in existing Siemens OEM panelboards and compatible load centers to maintain consistent performance and labeling.

Technical snapshot

• Manufacturer: Siemens
• Part Number: HFXD63B175L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 175A
• Voltage: 600V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Installation and compatibility

The HFXD63B175L is designed for straightforward integration with matching OEM Siemens load centers and panelboards, simplifying replacement or expansion projects. Its molded case construction supports secure mounting and reliable heat dissipation within compact panels. When selecting this breaker, verify that the panelboard rating aligns with the 600V maximum and that a 3-pole device matches the circuit requirements. This unit is well-suited for environments where consistent trip performance and space efficiency are priorities, helping maintain safe, predictable operation across the electrical system.

Practical tips for use

• Plan panel layouts with the 3-pole configuration in mind for balanced three-phase distribution and clean wiring paths.
• Use in panels designed for Siemens molded case breakers to ensure full compatibility and labeling conformity.
• Document the part number (HFXD63B175L) in maintenance logs to streamline future replacements or panel upgrades.