Square D JGA36150 - 150 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Engineered for reliability in demanding electrical distributions, the Square D JGA36150 is a 150 A, 600 V, 3-pole plug-in molded case circuit breaker designed for fast, secure protection of branch circuits in panelboards and loadcenters.

Fast plug-in connection enables quick installation and straightforward replacement, minimizing downtime during panel upgrades or service work. The plug-in style is designed to seat firmly in compatible OEM loadcenters, ensuring consistent electrical contact and predictable performance.

Thermal-magnetic trip unit delivers precise, repeatable protection, responding to overloads and short circuits with the right level of trip action. This means fewer nuisance trips in normal operation and dependable interruption when real faults occur, protecting wiring and connected equipment.

• 150A, 600V, 3-pole design—provides robust protection for multi-wire branch circuits and feeders that require simultaneous disconnection of all poles.
• Plug-in mounting—simplifies field replacement and reduces labor time during maintenance or upgrades.
• OEM-compatible—works with matching Square D panelboards and loadcenters to maintain system integrity and circuit protection consistency.
• Versatile across environments—suitable for residential, commercial, and light industrial applications where reliable overcurrent and short-circuit protection is essential.

Ideal use scenarios include replacing aging breakers in existing panelboards, upgrading feeders to support higher loads, or installing new large-draw circuits in commercial spaces. With its 3-pole configuration and 150 A rating, this breaker is well-suited for main feeders, subpanels, and distribution circuits where simultaneous trip of all poles is required for safety and code compliance.

What problems does it solve? It provides:

• Consistent protection against overloads and short circuits, reducing the risk of wiring damage and fire hazards.
• Quicker serviceability with a straightforward plug-in mechanism, lowering downtime during maintenance.
• Long-term compatibility with Square D OEM panel products, ensuring you don’t run into mismatched components.

Technical snapshot:

• Manufacturer: Square D
• Part number: JGA36150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 150 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

In summary, the Square D JGA36150 offers a dependable, OEM-compatible solution for protecting essential electrical circuits in diverse settings. Its combination of a fast plug-in connection, a precise thermal-magnetic trip unit, and a 3-pole 150 A design makes it a practical, long-lasting choice for maintaining safe, reliable electrical distribution.