Square D HJA36070AABCSHYP 36070A 3-Pole 600 V Circuit Breaker

Meet the Square D HJA36070AABCSHYP 36070A 3-Pole 600 V Circuit Breaker — a heavyduty protective device engineered for three‑phase power distribution in industrial and commercial electrical systems. As a direct replacement part, it’s designed to drop into Square D panels and enclosures that support this exact 3‑pole, 600 V configuration, helping you maintain safe, reliable operation without invasive rewiring.

Key specifications

• Part number: HJA36070AABCSHYP
• Poles: 3
• Voltage rating: 600 V
• Nominal current rating: 36070 A

Where it fits and how you’ll use it

Designed for three‑phase circuits up to 600 V, this breaker protects motors, HVAC equipment, processing lines, and other heavy loads from overcurrent and short circuits. Its Square D lineage means consistent electrical characteristics you can trust in existing panels, aiding in streamlined replacements and upgrades. If you’re upgrading a panel to support higher‑demand equipment or replacing a failed 3‑pole breaker, this unit provides a precise, compatible option.

Why this breaker stands out

• Exact fit for Square D systems requiring a 3‑pole, 600 V device, reducing guesswork during replacements.
• Direct compatibility with established bus configurations and enclosure footprints, helping minimize downtime during maintenance.
• Robust construction designed for ongoing protection in demanding environments, from manufacturing floors to large‑scale facilities.

Practical tips and best practices

Always verify the panel’s published replacement part list to confirm compatibility with HJA36070AABCSHYP. Follow the manufacturer’s installation guidelines, ensure the power is fully isolated before servicing, and use the correct torque for terminal connections to maintain secure, reliable contacts. If you’re mixing legacy and modern components, test the system in a controlled setting after replacement to confirm proper trip performance and coordination with other protective devices.