Siemens QR22B200 - 200 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Engineered for rugged panel installations, the Siemens QR22B200 is a 200 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to guard your electrical systems against overcurrent and short circuits. Built for dependable protection in both new builds and upgrades, it pairs robust construction with precise magnetic-thermal trip technology for reliable performance in demanding environments.

Why choose the QR22B200 for your electrical distribution:

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, reducing connections loosening over time and supporting long-term reliability in panelboards and loadcenters.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding predictably to overloads and short circuits, helping minimize nuisance trips while safeguarding equipment.
• OEM-compatible design works with matching Siemens OEM loadcenters and panelboards, ensuring a cleaner install and consistent performance across your system.
• Versatile applications suitable for residential, commercial, and light industrial installations where dependable branch circuit protection is essential.

Key specifications at a glance

• Manufacturer: Siemens
• Part number: QR22B200
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 200 A
• Voltage rating: 240 V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases and benefits

• Upgrading a home or small business panel to handle higher branch circuit loads while maintaining safety standards.
• Retrofits in commercial spaces where reliable 2-pole protection is required for feeders and service entrance circuits.
• New installations in light industrial settings that demand a sturdy, vibration-resistant breaker with consistent trip performance.

Installation and compatibility notes

To maximize reliability, install the QR22B200 in compatible Siemens panelboards and loadcenters using the correct assembly hardware. The bolt-on design is purpose-built for secure mounting in environments where vibration or movement could impact connection integrity. Always follow the installer’s torque guidelines and local electrical codes when mounting and wiring.

With the Siemens QR22B200, you get a purpose-built, high-capacity protection device that aligns with professional electrical standards and a wide range of paneling options, delivering peace of mind for both new construction and upgrades.