Square D HGL36020 - 20 A, 600 V, 3-Pole Circuit Breaker | AmpState

Protect critical circuits with the Square D HGL36020 from AmpState—a reliable 20A, 600V, 3-pole molded case circuit breaker designed to fit seamlessly into panelboards and load centers. Built for dependable branch-circuit overcurrent and short-circuit protection, it helps keep commercial, residential, and light industrial electrical systems safe and operational.

• Compact molded-case design conserves panel space, leaving room for essential wiring and future expansion without compromising protection.
• Thermal-magnetic trip unit delivers stable, repeatable protection by accurately sensing overloads and short circuits, reducing nuisance trips and safeguarding equipment.
• 3-pole configuration ideal for three-phase applications, providing coordinated protection across all conductors in your system.
• 600V electrical rating with 20A current capacity suited for a wide range of distribution circuits and feeders in commercial and light industrial environments.
• OEM-compatible engineered to work with matching Square D OEM load centers and panelboards for straightforward installation and reliable performance.

Why this breaker matters

In busy electrical rooms, protecting wiring and equipment from overloads and short circuits is essential. The HGL36020’s precise 20A rating ensures you don’t over-protect or under-protect circuits, while the thermal-magnetic trip unit provides quick, predictable responses to fault conditions. The compact form factor helps maximize panel capacity without sacrificing safety or compliance.

Ideal for

electricians and facilities teams installing or upgrading panelboards in residential spaces, commercial offices, retail environments, and light industrial facilities. If you’re upgrading old or undersized breakers, this 3-pole device offers reliable protection aligned with OEM panels and modern electrical standards.

Practical guidance

Ensure system compatibility by matching the panelboard’s requirements to the HGL36020’s 3-pole, 600V, and 20A specifications. When used with compatible Square D OEM load centers, you’ll gain consistent protection coordination and simplified maintenance over time. For installation planning, consider three-phase distribution needs and plan wiring routes to leverage the compact design efficiently.

Enhance the safety and reliability of your electrical distribution—add the Square D HGL36020 20A 600V 3-Pole Circuit Breaker to your panel today.