Siemens HQR23B250HL 250A 3-Pole 240 V Circuit Breaker

Engineered for demanding electrical environments, the Siemens HQR23B250HL 250A 3-Pole 240 V Circuit Breaker delivers reliable protection for three-phase circuits. With a 250 amp current rating and three poles, this unit is designed to interrupt power quickly and safely in commercial and industrial panelboards.

Key specifications

• Current rating: 250 A
• Poles: 3
• Voltage rating: 240 V
• Part number: HQR23B250HL

Why this matters

The 3-pole design protects all phases in a three-phase electrical system, ensuring balanced protection across the load. The 240 V rating aligns with common commercial and industrial power distribution, providing a straightforward fit for equipment and panels that require a sturdy, high-capacity disconnect in demanding environments.

Best use scenarios

• Main service disconnect in large commercial panels that feed heavy machinery
• Protection for three-phase industrial equipment like motors, pumps, and conveyors
• Upgrading existing distribution panels that require a 250 A, 3-pole protection device

What problems it solves

By interrupting power during overloads or faults, this Siemens circuit breaker helps prevent damage to wiring and connected equipment, minimizes downtime, and supports safer maintenance routines. Its robust build supports reliable operation in environments where high current protection is essential.

Reliability and compatibility

As part of the Siemens protection family, the HQR23B250HL integrates with compatible Siemens panels and accessories, enabling cohesive electrical protection across distribution systems. This unit is designed for straightforward replacement in suitable panelboards and contributes to consistent, predictable performance over time.

Practical installation notes

Ensure this 250 A, 3-pole 240 V circuit breaker aligns with your panel’s specifications and bus connections. Follow standard wiring practices and any manufacturer torque requirements to maintain proper torqueing and reliable engagement with the panel. Ideal for users upgrading larger load centers or configuring new three-phase feeder arrangements.