Siemens HQR23B225 - 225 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens HQR23B225 is a 225A, 240V, 3-pole bolt-on molded case circuit breaker designed to shield your panelboard and load center from overcurrent and short-circuit events. Built for reliable branch circuit protection in commercial, residential, and light industrial electrical systems, this breaker brings robust protection where it matters most.

• Secure bolt-on mounting delivers a rigid, vibration-resistant bond to the bus connection, helping maintain consistent electrical contact in demanding environments.
• Thermal-magnetic trip unit provides stable, repeatable protection by quickly responding to both overloads and short circuits, reducing nuisance trips and safeguarding downstream equipment.
• 3-pole design is ideal for 3-phase 240V systems, making it a solid choice for commercial panels and light industrial distributions.
• OEM-compatible compatibility ensures reliable integration with matching Siemens panelboards and other OEM load centers, simplifying replacement and upgrades.
• Versatile application suited for residential, commercial, and light industrial settings where dependable branch protection is essential.

Technical specifications

• Manufacturer: Siemens
• Part Number: HQR23B225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 225A
• Voltage rating: 240V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this Siemens breaker stands out

When you’re configuring or upgrading a panel, reliability is non-negotiable. The HQR23B225 combines durable, bolt-on mounting with a precise thermal-magnetic trip mechanism, delivering dependable protection at both routine and fault-level conditions. Its 3-pole design makes it a practical choice for 3-phase equipment and distribution feeders, helping you maintain safe voltages and protect critical loads without compromising on space or performance.

Practical use scenarios:

• Upgrading a commercial load center to support higher amperage feeders while keeping a compact footprint in the panel interior.
• Replacing aging or worn breakers in Siemens panelboards to maintain alignment with OEM specifications and code compliance.
• Providing robust protection for 3-phase machinery and HVAC systems in light industrial installations.

With Siemens HQR23B225 installed, you gain a clear, reliable protection path for your branches—minimizing downtime, protecting wiring, and supporting safe, continuous operation of your electrical system.