Square D | HDF36070 | Circuit Breaker | 3-Pole

Introducing the Square D HDF36070 Circuit Breaker, a 3-Pole protection device built for reliability in maintenance, retrofit, and replacement projects where exact specs matter. This is the definitive part-number reference for compatibility, helping you match the right unit to your panel and load requirements.

Key details

• Poles: 3-Pole — designed for three-conductor or three-phase circuits, providing robust protection for commercial and industrial applications.
• Compatibility reference: Use the part number HDF36070 as the best guide to fit and ratings before ordering.
• Applications: Ideal for maintenance, retrofit, and replacement scenarios where precise specification alignment is essential.

What this means for you

This Square D circuit breaker is engineered to slot into compatible Square D panels with matching specs, delivering predictable performance and dependable protection. By choosing the HDF36070, you’re opting for a direct-fit solution that minimizes panel modification and downtime during upgrades or repairs.

Use cases and guidance

• Maintenance: Replace aging or failing breakers to restore reliable circuit protection without changing your panel hardware.
• Retrofit: Upgrade to a common three-pole protective device when updating a three-phase system or panel configuration.
• Replacement: Serve as a ready, reliable stand-in for a worn or damaged unit to maintain safety and compliance.

Important note: Confirm fit and ratings for your specific panel before ordering. The HDF36070 part number is the best reference for compatibility, helping you avoid mismatches and downtime.

Designed for electricians, facilities managers, and maintenance teams, the Square D HDF36070 3-Pole circuit breaker is a practical, purpose-built solution for keeping three-phase circuits protected and running smoothly. If you’re aligning with Square D’s standard for reliability and safety, this is the right component to keep on hand for service windows and panel refresh projects.