Square D HDA260452 45A 2-Pole 600 V Circuit Breaker

Square D HDA260452 is a dependable circuit-protection solution designed for reliable performance in electrical distribution systems. With a 45 A rating, a 2-pole configuration, and a 600 V maximum rating, this breaker helps safeguard circuits and equipment while enabling safe, code-compliant operation in a variety of installations.

• Current rating: 45 A
• Poles: 2
• Voltage rating: 600 V
• Part number: HDA260452

Why this breaker stands out

• Dual-pole protection: By interrupting both hot conductors, it ensures comprehensive protection for circuits where two live lines are involved, helping to prevent backfeed and maintain system safety.
• Solid Square D engineering: Built by a trusted name in electrical distribution, this breaker is designed for consistent performance in panel assemblies and compatible layouts.
• 630-volt-ready potential: The 600 V rating accommodates a wide range of commercial and industrial applications, giving you versatility in system design while maintaining safety margins.

Ideal use cases

• Protection for branch circuits in commercial electrical panels and industrial/distribution boards.
• Feeding two-pole loads where simultaneous disconnection of both lines is required for safety and code compliance.
• Backup protection in systems operating at higher voltages within a controlled, panel-mounted environment.

Installation and practical guidance

• Verify compatibility with your panel or enclosure and confirm that the 600 V rating matches your system requirements.
• Install by a qualified electrician following local electrical codes and manufacturer guidelines for torque, wiring, and enclosure clearance.
• Consider keeping a spare unit on hand for quick replacement to minimize downtime in critical installations.

Specifications at a glance

• Current rating: 45 A
• Poles: 2
• Voltage rating: 600 V
• Part number: HDA260452

Designed for reliability in demanding electrical environments, the Square D HDA260452 45A 2-Pole 600 V Circuit Breaker delivers solid protection for essential circuits while supporting flexible, scalable panel configurations. Whether upgrading an existing panel or stocking spare parts for maintenance, this breaker offers a precise, durable option that keeps systems running smoothly.