Square D JJL36250M75 - 250 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D JJL36250M75 — a robust 3-pole molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Rated for 250 A at up to 600 V, this unit is purpose-built for three-phase distribution in commercial, light industrial, and select residential applications where reliable protection and space efficiency matter.

• Space-conscious molded-case design helps maximize panel layouts by occupying minimal enclosure space while delivering full protection capabilities.
• Thermal-magnetic trip unit offers stable, repeatable protection by accurately sensing both overload conditions and sudden short circuits, reducing nuisance trips across varying temperatures.
• Three-pole configuration is ideal for balanced three-phase systems, motor circuits, and feeders that require synchronized protection across all phases.
• OEM-compatible engineered to pair with matching Square D load centers and panelboards, ensuring straightforward replacement and consistent performance characteristics.
• Versatile application scope suitable for residential, commercial, and light industrial installations where dependable protection is essential for safety and reliability.

Technical specifications

• Manufacturer: Square D
• Part Number: JJL36250M75
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 250 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• New installations in light commercial spaces requiring reliable three-phase protection for feeders and motors
• Replacement or upgrade in compatible Square D panelboards to restore protected load circuits
• Feeding 3-phase equipment and motors where 600 V protection and precise trip characteristics are essential

Choosing the Square D JJL36250M75 means opting for a compact, dependable solution that aligns with your panel’s design and protection needs. The combination of a space-efficient form factor, a precise thermal-magnetic trip, and OEM compatibility translates into smoother installations, predictable protection behavior, and simplified maintenance for your electrical distribution system.