Siemens | HQJ23B225H01S01 | Circuit Breaker | 225A | 3-Pole | 240V | Bolt-On

When your Siemens panel requires precise, high-capacity protection, the HQJ23B225H01S01 Circuit Breaker stands out as a dedicated solution. This 225 A, 3-pole unit is engineered for 240 V systems and bolt-on mounting, making it a dependable match for compatible Siemens panels during maintenance, retrofit, or replacement projects. Built to align with exact specifications, it delivers reliable overcurrent protection where it matters most.

Key specifications

• Amperage: 225 A
• Poles: 3-pole
• Voltage: 240 V
• Mounting style: Bolt-On
• Part number: HQJ23B225H01S01
• Application: Maintenance, retrofit, and replacement in compatible Siemens installations

Why this breaker might be the right choice

• The part number HQJ23B225H01S01 is the best reference to ensure you’re matching the right specifications for your panel. Before ordering, verify the fit and ratings to avoid compatibility issues.
• High-capacity protection for demanding loads: With 225 A capacity, this three-pole unit is well-suited for three-phase circuits that drive heavy equipment, large motors, or substantial distribution feeders within commercial or industrial environments.
• Reliable bolt-on installation: The bolt-on design provides a secure, solid connection ideal for panels that require a robust, serviceable mounting method during updates or repairs.
• Clear application guidance: This breaker is specifically positioned for maintenance, retrofit, and replacement scenarios where exact specs are needed—helping you minimize downtime and ensure continuity of protection.

Ideal use cases

• Replacing a failed or outdated breaker in a Siemens bolt-on panel within commercial or light industrial settings.
• Upgrading or retrofitting a distribution circuit that requires a 225 A, 3-pole, 240 V protection device.
• Installing in service entrances or main distribution sections where three-phase, high-current protection is essential.

Installation and safety considerations

Ensure you power down the system and follow all safety protocols during installation. Verify fit and ratings against the exact part number, HQJ23B225H01S01, and consult the panel manufacturer’s guidelines for torque specifications and wiring practices. Because bolt-on breakers interact with specific panel architectures, confirm compatibility with your Siemens panel model before purchasing to prevent mismatch risks.