Siemens QRH22B125L 125A 2-Pole 240 V Circuit Breaker Potential Transformer

The Siemens QRH22B125L is a 125 A, 2-pole, 240 V circuit breaker designed to deliver reliable overcurrent protection for 240 V electrical systems. With a precise 125 A current rating and a two-pole design, this breaker safely interrupts both hot legs, helping safeguard downstream equipment and wiring from damage due to faults or overloads.

• Part Number: QRH22B125L
• Current rating: 125 A
• Poles: 2
• Voltage rating: 240 V
• Brand: Siemens

Why this Siemens QRH22B125L stands out

Designed for dependable protection in commercial and light industrial applications, this 2-pole breaker ensures simultaneous disconnection of both hot conductors on 240 V circuits. The result is enhanced safety for people and equipment and reduced risk of arcing or stray faults in multi-wire installations. The QRH22B125L is a straightforward, direct-build solution from Siemens, making sourcing and replacement predictable for maintenance and upgrade projects.

Ideal use cases

• Protecting 240 V feeder circuits in commercial panels and light industrial distribution.
• Guarding motors, pumps, conveyors, and HVAC equipment that rely on 240 V power.
• Spare part or replacement for Siemens-panel installations requiring a 125 A, 2-pole, 240 V breaker.

Practical tips: ensure compatibility with your existing Siemens panel and follow electrical codes and manufacturer guidance during installation. This model provides a clear, identifiable option for 125 A protection in 240 V systems, helping you maintain reliable circuit protection with a trusted Siemens legacy.