Siemens | QR22B175 | Circuit Breaker | 175A | 2-Pole | 240V | Bolt-On

Siemens QR22B175 Circuit Breaker is a robust 2-pole, 175A device rated for 240V, purpose-built for bolt-on installations in compatible Siemens panels. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable overcurrent protection for high-demand circuits within a Siemens ecosystem.

Key specifications

• Amperage: 175A
• Poles: 2-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Part number: QR22B175

Why this breaker stands out

• OEM Siemens bolt-on design ensures a secure, reliable connection to the panel bus and straightforward replacement in compatible installations.
• Bolt-On mounting provides a solid mechanical fit that stays put in vibration-filled environments and during electrical load changes.
• Specifically configured for 240V systems, making it well-suited for feeders and large-load circuits in commercial or larger residential settings.
• Clear cross-reference with the QR series—QR22B175 is the best reference for compatibility, helping you avoid mismatches during upgrades or replacements.

Ideal use cases

• Replacing a damaged or worn 2-pole 175A breaker in Siemens bolt-on panels.
• Retrofit projects where existing equipment requires a 175A, 2-pole, 240V protection device.
• Upgrading feeders or service entries in 240V systems that require a high-capacity 175A breaker within a Siemens panel.
• New installations where a bolt-on QR-series breaker is the specified solution for compatibility and reliability.

Installation and compatibility tips

Before ordering, confirm fit and ratings for your exact panel model. The part number QR22B175 is the most reliable reference for compatibility. When installing, follow all panel manufacturer guidelines for torque and mounting to ensure a secure, code-compliant connection. If your panel requires a bolt-on QR-series device, this breaker provides a seamless match for reliable protection and long-term performance.