Siemens QRH22B225 - 225 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens QRH22B225 is a 225 A, 240 V, 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to deliver consistent protection in demanding electrical environments, it’s a reliable choice for both upgrades and new installations.

Key features

• Secure bolt-on mounting: Provides a rigid, vibration-resistant bus connection that stays tight through temperature changes and equipment vibration.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection with precise overload and instantaneous short-circuit response when faults occur.
• OEM-compatible: Designed to integrate seamlessly with matching Siemens loadcenters and panelboards for straightforward replacement and reliable performance.
• Versatile applications: Suitable for residential, commercial, and light industrial panels, offering high-current protection where reliability matters most.

Technical specifications

• Manufacturer: Siemens
• Part Number: QRH22B225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 225 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Upgrading panelboards or loadcenters in residential or light commercial settings that require high-current protection.
• Retrofits where a secure, vibration-resistant bolt-on breaker is essential for long-term contact reliability.
• New installations needing an OEM-confirmed, compatible breaker that matches existing Siemens panels.

Why this breaker stands out

The QRH22B225 combines robust mechanical mounting with a responsive thermal-magnetic trip system, ensuring dependable protection against both overload and short circuits. Its bolt-on design minimizes loose connections and electrical noise, while its compatibility with Siemens OEM panels simplifies installation and maintenance. For installers and facility managers, this breaker delivers predictable performance, reduced downtime, and clear alignment with existing Siemens protection schemes.

Choose the Siemens QRH22B225 when you need high-current, reliable protection in panelboards and loadcenters that you can count on across residential, commercial, and light industrial applications.