Square D HGL36150 - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D HGL36150, a purpose-built 3-pole molded case circuit breaker designed to deliver dependable branch circuit protection for panelboards and load centers. When space is at a premium, this compact, rugged unit fits neatly into your distribution scheme without compromising safety or performance.

Its thermal-magnetic trip unit provides stable, repeatable protection by automatically responding to overloads and short-circuit events. This means fewer nuisance trips and quicker, predictable isolation of faults—helping safeguard downstream equipment and keep your system up and running.

Built for seamless integration, the HGL36150 is fully compatible with matching Square D OEM load centers and panelboards. Whether you’re retrofitting an existing installation or configuring a new panel, this breaker installs with confidence and helps maintain consistent electrical coordination across your system.

Key specifications

• Amperage rating: 150 A
• Voltage rating: 600 V
• Poles: 3
• Type: Thermal-magnetic molded case circuit breaker
• Applications: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Designed for residential, commercial, and light industrial environments, this 3-pole breaker is ideal for protecting three-phase feeders, motor circuits, and multi-wire branch circuits in distribution panels. Use it to safeguard HVAC feeders, lighting circuits, and general-purpose power distributions where a reliable 150 A protection device is required at up to 600 V.

Why choose this Square D HGL36150

• Space-efficient design: Compact molded case construction optimizes panel real estate without compromising protection.
• Reliable protection: Thermal-magnetic trip provides fast, predictable responses to overloads and short circuits.
• OEM compatibility: Proven compatibility with Square D load centers and panelboards for straightforward installation and maintenance.
• Versatility across environments: From home offices to retail spaces and light manufacturing, it handles diverse distribution needs.

Upgrade or expand your electrical distribution with the Square D HGL36150 150 A, 600 V, 3-Pole Molded Case Circuit Breaker from AmpState—where trusted protection meets precise panel integration and practical, real-world performance.