Square D HJA36125UK 125A 3-Pole 600 V Circuit Breaker

Square D HJA36125UK 125A 3-Pole 600 V Circuit Breaker is a robust, three-phase protection device designed to keep your electrical distribution safe and reliable. The United Kingdom variant (part number HJA36125UK) ensures compatibility with UK panels and installation practices, delivering dependable overcurrent protection for demanding loads.

Key specifications

• Brand: Square D
• Part number: HJA36125UK
• Current rating: 125 A
• Pole configuration: 3-pole
• Voltage rating: 600 V

Ideal applications

Designed for three-phase circuits in commercial and light industrial environments, this breaker is well-suited for panels that feed motors, pumps, compressors, and HVAC equipment. It provides reliable protection for distribution boards where a 3-pole arrangement is required, helping to safeguard both equipment and personnel.

What sets this apart

• UK variant identity: The HJA36125UK designation signals a model tailored for UK installations, aiding compatibility and sourcing for regional projects.
• High-current, compact 3-pole design: 125 A rating in a single unit supports substantial loads without needing multiple single-pole devices.
• Trusted Square D lineage: A long-standing track record of dependable protective devices and consistent performance in challenging environments.

Practical installation tips

• Verify panel compatibility and mounting arrangement before replacement.
• Use in conjunction with matching Square D components to maintain cohesive performance characteristics.
• Have a licensed electrician perform installation to ensure compliance with local electrical codes and safety requirements.