Square D JJL36150 - 250A, 3-Pole, Molded Case Circuit Breaker

Meet the Square D JJL36150, a 250A, 3-Pole molded case circuit breaker designed for demanding power distribution environments. This MCCB delivers dependable overcurrent protection in panelboards, switchboards, and control panels, helping to safeguard equipment and maintain uptime in busy industrial and commercial facilities.

Key specifications at a glance

• Current rating: 250A
• Poles: 3-Pole
• Breaker type: Molded Case Circuit Breaker
• Recommended use: panelboards, switchboards, and control panels in industrial, commercial, and OEM applications

What makes this MCCB uniquely valuable

• Three-phase protection: The 3-pole design aligns with typical three-phase power systems, providing coordinated protection for motors, pumps, and other three-phase loads.
• Rugged, molded-case construction: Built to withstand demanding electrical environments, delivering reliable operation in distribution panels and motor control centers.
• Versatile integration: Well-suited for panelboards, switchboards, and control panels, making it a practical replacement or trusted choice for new installations.
• Industrial-grade reliability: Ideal for applications where consistent overcurrent protection and safe operation are critical to preventing damage and downtime.

Ideal use scenarios

• New installations in panelboards or switchboards powering three-phase equipment up to 250A.
• Motor control centers in manufacturing lines, conveyors, and processing equipment where robust protection is essential.
• OEM equipment requiring a dependable, easily integrated protection device within a three-phase electrical system.
• Spare or replacement applications to minimize downtime and maintain compatibility with existing Square D protection schemes.

Practical installation considerations

• Verify compatibility with your panel’s frame size and bus connection type to ensure a proper fit and reliable operation.
• Ensure the 250A rating matches the protected load to coordinate protection and avoid nuisance trips.
• Coordinate with upstream protection and follow standard installation practices to maintain system safety and performance.

With the Square D JJL36150, you’re choosing a trusted MCCB designed to deliver precise, dependable overcurrent protection in distribution panels and motor control centers. It’s a practical, high-confidence choice for engineers and procurement teams aiming to safeguard electrical systems without compromising on performance.