Square D HGL36150M38X Circuit Breaker, 150A, 3-Pole, 600V

Square D HGL36150M38X is a rugged 3-pole circuit breaker engineered for industrial electrical service, maintenance, and replacement projects. With a 150-amp rating and a 600-volt operating capability, it delivers reliable protection for large three-phase feeders and critical equipment.

• Amperage: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGL36150M38X
• Typical applications: industrial service, maintenance, and replacement in power distribution systems

Why choose this breaker? It’s designed to interrupt current safely in three-phase circuits and protect downstream equipment from overloads and short circuits. The 3-pole configuration ensures synchronized disconnection across all phases, reducing the risk of unbalanced faults in motor drives and feeders.

Practical use cases include panel board replacements in manufacturing lines, service entrances for industrial facilities, and motor control centers where dependable protection is essential. It integrates with Square D equipment and complements other components in the Square D power distribution ecosystem.

Notes: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.

To maximize reliability, ensure your panel or distribution board supports a 600 V rating and three-phase connections. This breaker is intended for industrial environments where consistent performance and predictable trips matter, helping reduce downtime and simplify maintenance planning.