Siemens HFXD63B2501S11 250A 600V 3-Pole Circuit Breaker

Engineered for demanding electrical distributions, the Siemens HFXD63B2501S11 is a 250 A, 600 V, 3-pole bolt-on molded case circuit breaker designed for reliable branch-circuit overcurrent and short-circuit protection in panelboards and loadcenters.

Key benefits that matter in the field:

• Secure bolt-on mounting: delivers a rigid, vibration-resistant bus connection for consistent protection and reduced arcing in dynamic environments such as equipment rooms and busy panels.
• Thermal-magnetic trip unit: combines stable thermal overload protection with instantaneous magnetic tripping to rapidly interrupt fault currents, providing repeatable protection across varying loads.
• OEM panel compatibility: engineered to integrate with matching Siemens OEM loadcenters and panelboards, simplifying replacements and retrofits without compatibility concerns.
• High-current capability: a 250 A rating is well-suited for large feeders and main branch circuits in residential, commercial, and light industrial applications.
• Three-pole design: ideal for three-phase distribution, ensuring coordinated protection and clean wiring in multi-phase systems.

Specifications at a glance

• Manufacturer: Siemens
• Part number: HFXD63B2501S11
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 250 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who is this breaker for? Builders, electricians, and facility managers who need dependable, drop-in protection for large feeders and multi-wire panels. It’s especially effective in installations where panel vibration is a factor or where a secure mechanical connection helps sustain long-term reliability.

Why choose Siemens for panel protection? The HFXD63B2501S11 combines a robust bolt-on interface with a trusted thermal-magnetic protection profile, delivering predictable trips and solid, enduring performance in residential, commercial, and light industrial environments. When you require coordinated, high-current protection in a 3-phase setup, this 250 A, 600 V bolt-on breaker is designed to deliver.