Square D HJL36100M73AABCSDYP 73A 3-Pole 600 V Circuit Breaker

Square D delivers robust protection for three‑phase power systems with the HJL36100M73AABCSDYP. This 73 A, 3‑pole circuit breaker is engineered to handle demanding commercial and light industrial environments, providing reliable overcurrent protection across all three live legs in up to 600 V systems. If you’re upgrading a panel or replacing an existing breaker, this unit offers a precise balance of current handling and trip reliability for sustained, safe operation.

Key advantages of the HJL36100M73AABCSDYP

• Three‑pole, 600 V protection: Designed for three‑phase distributions, ensuring coordinated switching and protection across all phases in 600 V circuits.
• 73 A rating: Adequate capacity for feeders and equipment in higher‑current applications without frequent nuisance trips.
• Authentic Square D quality: Built to meet established electrical standards and to integrate smoothly within Square D distribution systems.
• Defined part identity: Part Number HJL36100M73AABCSDYP clearly identifies a specific, reliable component for accurate ordering and maintenance.

Ideal use cases

Perfect for protecting three‑phase feeders, motor circuits, and large equipment in commercial buildings, industrial panels, and service entrances that operate up to 600 V. It’s a practical upgrade when you need a dependable, high‑current breaker that won’t sacrifice safety or performance in day‑to‑day operations.

Why this breaker matters for your system

• Enhanced safety: By interrupting excessive current across all three phases, it helps prevent insulation damage, overheating, and potential fire hazards.
• System reliability: Coordinated trip behavior across the poles reduces the risk of imbalanced faults and protects sensitive equipment.
• Operational clarity: Clear part identification simplifies maintenance, stocking, and future replacements within your electrical distribution plan.

Technical snapshot

• Part Number: HJL36100M73AABCSDYP
• Current rating: 73 A
• Poles: 3
• Voltage rating: 600 V
• Brand: Square D

Choosing the Square D HJL36100M73AABCSDYP means prioritizing dependable, three‑phase protection for higher‑voltage electrical systems. It’s a precise, purpose‑built solution for keeping your critical equipment safe and your power distribution running smoothly.