Siemens QRH23B225 - 225A, 3-Pole, Circuit Breaker

Meet the Siemens QRH23B225—a purpose-built 225A, 3-Pole circuit breaker engineered for demanding industrial environments. This unit delivers reliable overcurrent protection across three phases, making it a cornerstone for safe, continuous operation in panelboards, switchboards, and control panels.

Designed to support robust electrical distributions, the QRH23B225 is ideal for installations where dependable fault interruption and streamlined three‑phase protection are essential. Its 3-Pole configuration simplifies integration in multi-phase systems and helps ensure coordinated disconnects across all lines, reducing the risk of phase-to-phase faults and protecting both people and equipment.

Key specifications

• Current rating: 225 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Applications: Panelboards, Switchboards, Control Panels

Core advantages of the QRH23B225 include its suitability for industrial, commercial, and OEM settings where overcurrent protection is critical. Whether you’re safeguarding a distribution panel, a motor control center, or a custom control assembly, this Siemens breaker provides dependable performance under demanding load conditions.

Why this 3-Pole design stands out

• Three‑phase protection: Simultaneous interruption of all lines minimizes fault propagation and reduces downtime.
• Solid Siemens reliability: Built to endure the rigors of busy panels and high-energy environments.
• Flexible integration: Simple incorporation into panelboards, switchboards, and control panels without complex rewiring.

Ideal use cases

• Main feeder protection for 3‑phase distribution panels in manufacturing and processing facilities.
• Protection device within motor control centers powering large industrial motors.
• OEM applications requiring a trustworthy 225A, 3‑pole protective component.

Practical tips for best results

• Verify compatibility with your panel design and ensure correct mounting orientation for safe operation.
• Confirm that the 225 A rating matches the load profile to prevent nuisance trips while maintaining robust protection.
• Follow applicable electrical codes and manufacturer guidelines during installation and maintenance to maximize reliability.