Square D HJA36070 - 70 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HJA36070 — a 70A, 600V, 3-pole plug-in molded case circuit breaker built to deliver dependable branch circuit protection in panelboards and load centers. Its fast plug-in connection means quicker installations and easier replacements, reducing downtime during upgrades or service calls.

• Fast plug-in connection — designed for rapid installation and straightforward replacement, minimizing panel downtime.
• Thermal-magnetic trip unit — combines a thermal element for overload protection with a magnetic element for instantaneous short-circuit response, delivering stable and repeatable protection performance.
• 3-pole, 70A, 600V rating — ideal for 3-phase circuits and applications demanding solid protection up to 600 volts.
• OEM-compatible design — engineered to fit and work with matching Square D OEM load centers and panelboards for reliable coordination and fit.
• Versatile for multiple environments — suitable for residential, commercial, and light industrial applications where dependable overcurrent and short-circuit protection is required.

Why this breaker matters

In any electrical system, downtime means costly interruptions. The HJA36070 provides a decisive, repeatable response to overloads and faults, helping protect wiring and devices while keeping equipment safe. Its plug-in form simplifies field service and panel maintenance, making it a practical choice for technicians and facility managers who value speed and reliability.

Technical snapshot

• Manufacturer: Square D
• Part number: HJA36070
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 70A
• Voltage: 600V
• Poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for installers and facilities looking to upgrade panel protection with a dependable, compatible plug-in option, the Square D HJA36070 is a smart, long-term choice for secure electrical distribution. Bring this plug-in breaker into your panel system through AmpState and experience streamlined installation, predictable protection, and durable performance for years to come.