Square D JGL36250U44X - 250 A, 3-Pole Circuit Breaker | AmpState

Meet the Square D JGL36250U44X—a 250A, 3-pole molded case circuit breaker designed to deliver reliable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built for consistent performance in demanding environments, this unit combines compact form with precise protection, making it a smart choice for both upgrading existing panels and outfitting new installations.

Why this breaker stands out

• Compact molded-case design optimizes panel space, helping you fit more protective devices into tight electrical enclosures without sacrificing performance.
• Thermal-magnetic trip unit provides stable, repeatable protection—thermal elements handle sustained overloads with a controlled response, while magnetic elements rapidly clear dangerous short circuits, reducing downstream damage.
• OEM-compatible fit is engineered to work with matching Square D loadcenters and panelboards, ensuring dependable coordination with other protective devices in your distribution system.
• Three-pole protection ensures simultaneous disconnection of all phases in 3-phase circuits, enhancing safety and fault clearance in commercial and light industrial applications.
• Versatile applications suited for residential, commercial, and light industrial environments where robust, long-lasting protection is essential.

Technical highlights

• Manufacturer: Square D
• Part number: JGL36250U44X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 250A
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Ideal use scenarios

• Upgrading oversized or aging protection in main distribution panels where a 250A, 3-pole breaker is appropriate for main feeders or large subfeeds.
• Replacing a failed or aging breaker in commercial or light industrial panelboards to restore reliable shutdown and fault protection.
• Configuring new installations that require a compact, compatible protection device within Square D ecosystems.

Practical tips for deployment

• Verify panel compatibility with the OEM loadcenter before installation to ensure proper mounting and trip coordination.
• When wiring, observe standard safety practices and torque specifications from the panel manufacturer to maintain a secure connection and consistent trip performance.
• Use this 250A, 3-pole unit in circuits that demand strong protection across three phases, particularly where simultaneous phase disconnection is critical for safety and equipment protection.

With the Square D JGL36250U44X, you’re choosing a trusted, purpose-built solution that combines space-efficient design with dependable thermal-magnetic protection. It’s the smart, compatible choice for safeguarding your panelboards and load centers across residential, commercial, and light industrial settings.