Siemens | HQJ23B225HA01 | Circuit Breaker | 225A | 3-Pole | 240V

Siemens HQJ23B225HA01 Circuit Breaker delivers robust overcurrent protection for high-capacity, three‑phase electrical systems. With a 225A rating and a 3‑pole configuration, this unit is built to safely interrupt fault currents in demanding commercial and industrial environments, while preserving system uptime and safety.

Key specifications at a glance

• Amperage: 225A
• Poles: 3‑Pole
• Voltage: 240V
• Part number: HQJ23B225HA01
• Brand: Siemens

What makes this Siemens circuit breaker distinct

• Exact compatibility with systems that require the HQJ23B225HA01 part number, making it a dependable replacement option.
• Three-pole design enables protection of all three phases in 240V service configurations, helping to prevent uneven loading and potential equipment damage.
• High-current capability (225A) suited for feeders and distribution circuits in larger panels, reducing the likelihood of nuisance trips during peak demand.

Ideal use cases

• Maintenance projects where the goal is to restore full protective functionality with a like-for-like Siemens component.
• Retrofits in aging Siemens panels that require a precise 225A, 3‑pole, 240V breaker to maintain ratings and safety standards.
• Replacement in commercial or light-industrial environments that rely on stable, predictable overcurrent protection for three-phase equipment.

Why choose HQJ23B225HA01 for your upgrade or replacement

• Reliability backed by Siemens engineering, designed to integrate seamlessly with existing panel labeling and routing.
• Clear compatibility signal: the part number serves as the best reference for matching ratings and form factor, reducing guesswork during ordering.
• Targeted protection for three-phase loads in 240V systems, helping safeguard motors, drives, and other heavy equipment from short circuits and overloads.

Installation and care tips

• Before ordering, confirm fit and ratings in your panel by referencing the HQJ23B225HA01 part number.
• Have a licensed electrician perform installation to ensure proper mounting, wiring, and adherence to local electrical codes.
• Keep the replacement part in its packaging until you’re ready to install to protect against corrosion and contamination.
• Document the replacement with the part number for future maintenance and quicker future upgrades.