Square D JGL36150 - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

Square D JGL36150 is a robust 150 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to fit seamlessly into Square D ecosystems, it combines compact design with precise protection for demanding electrical environments.

Why this breaker stands out:

• Space-efficient molded-case design Helps you maximize panel capacity by minimizing intrusion into surrounding spaces while maintaining easy access for installation and service.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both ambient overloads and sudden short-circuit faults, reducing nuisance trips and improving reliability in daily operation.
• OEM-compatible engineered to be compatible with matching Square D load centers and panelboards, simplifying replacement and ensuring consistent electrical performance across your distribution system.
• Versatile application suitable for residential, commercial, and light industrial projects, especially where three-phase protection and higher ampacity are required in a compact form factor.

Technical snapshot

• Maker: Square D
• Part number: JGL36150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 150 A
• Voltage rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

• Upgrade or expand a residential service panel to accommodate higher-load circuits without expanding your enclosure footprint.
• Protect three-phase distribution branches in light commercial spaces, keeping circuits safe from overloads and faults.
• In retrofit projects, replace aging breakers with a compatible, efficient 3-pole solution that respects existing OEM panel configurations.

Choosing the right breaker matters for long-term reliability. The JGL36150 combines a compact form factor with a precise thermal-magnetic trip mechanism, delivering predictable protection in real-world conditions. If your installation requires a sturdy, three-pole 150 A solution that fits Square D panelboards and load centers, this unit provides a well-matched, dependable option that supports safe, continuous operation across residential, commercial, and light-industrial environments.