Siemens HFXD63B225 - 225 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siems HFXD63B225 stands ready to safeguard your panelboards and load centers with precise, reliable protection. This 225 A, 600 V, 3-pole bolt-on molded case circuit breaker is built to handle demanding branch circuits while delivering stable, repeatable performance even in vibration-prone enclosures.

Key benefits that matter in real-world panels

• Secure bolt-on mounting ensures a rigid, vibration-resistant bus connection that stays put through temperature swings and equipment vibrations, reducing connection fatigue over time.
• Thermal-magnetic trip unit combines long-term overload protection with instantaneous magnetic trip for short circuits, delivering dependable protection without nuisance trips.
• OEM-compatible design is engineered to pair with matching Siemens load centers and panelboards, providing a seamless, guaranteed fit and straightforward serviceability.
• Versatile applications ideal for residential, commercial, and light industrial environments where reliable, space-efficient protection is essential.

Technical specifications at a glance

• Manufacturer: Siemens
• Part number: HFXD63B225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 225 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker is a smart choice for your panel

When you need dependable, site-ready protection for significant electrical loads, the HFXD63B225 delivers. The bolt-on mounting design minimizes installation drama in service panels and distribution panels, while the thermal-magnetic trip unit responds quickly to short circuits and maintains stable protection over time. By aligning with Siemens OEM load centers and panelboards, it reduces compatibility concerns and simplifies future maintenance or upgrades.

Ideal use scenarios

• Upgrading or maintaining main distribution panels in light commercial spaces, warehouses, and retail environments
• Installing new branch circuits in residential or mixed-use buildings where 600 V systems are in use
• Retrofits or replacements in existing Siemens panelboards that require a robust 225 A, 3-pole solution

Practical tips for best results

• Verify the panelboard or load center specifications to confirm 3-pole, 225 A protection at 600 V for your selected circuit paths.
• Plan for secure wiring entries and clean bus connections to maximize the benefit of the bolt-on mounting and reduce vibration-related wear.
• Keep spare HFXD63B225 units on hand for fast replacements during routine maintenance or after a protective trip event.