Square D HJA36070US 70A 3-Pole 600 V Circuit Breaker

Experience reliable protection with the Square D HJA36070US 70A 3-Pole 600 V Circuit Breaker. Designed to safeguard three-phase power systems, this breaker delivers precise overload and short-circuit protection for commercial and industrial panels operating up to 600 volts.

Three-phase protection you can trust — With a 3-pole configuration, all three live conductors trip together, minimizing phase imbalance and shielding motors, drives, and feeders from damaging faults.

Key specifications

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Part Number: HJA36070US

Ideal use cases

• Motor feeders in manufacturing lines and HVAC systems
• Three-phase power distribution panels and retrofit projects
• Protection for commercial or light-industrial distribution up to 600 V

Why choose this Square D circuit breaker — Built on Square D engineering, this HJA-series device emphasizes robust mechanical design and dependable performance under demanding conditions. Its durable construction helps resist wear and ensures reliable operation across repeated cycles in environments with routine cycling.

Practical considerations for installation and use:

• Confirm compatibility with your panel or enclosure and ensure the bus bar arrangement supports a 3-pole unit.
• Follow the manufacturer’s torque recommendations and all local electrical codes during installation.
• Incorporate this breaker as part of a comprehensive protection strategy with proper enclosure grounding and clear labeling for safe maintenance.

Secure protection for your critical equipment with the Square D HJA36070US 70A 3-Pole 600 V Circuit Breaker — a reliable, three-phase solution designed to keep power flowing safely in demanding environments.