Square D JLA36250 - 250 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Square D JLA36250 is a 250 A, 600 V, 3-pole plug-in molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a fast plug-in connection, it enables quick installation and straightforward replacement, reducing downtime on busy electrical schedules.

Built for versatility, this thermal-magnetic unit provides stable, repeatable protection by combining thermal sensing for overload conditions with magnetic tripping for sudden fault currents. The result is reliable performance across a wide range of applications, from routine maintenance to critical service feeds.

Key specifications

• Manufacturer: Square D
• Part Number: JLA36250
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 250 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Designed to be used with matching OEM load centers and panelboards

Why this breaker stands out

• Rapid serviceability: The plug-in design simplifies installation, upgrades, and replacements, helping technicians minimize panel downtime.
• Reliable protection: A thermal-magnetic trip unit delivers dependable response to both sustained overloads and instantaneous short circuits, preserving equipment and wiring in demanding environments.
• 3-pole for balanced systems: Ideal for 3-phase commercial and light industrial applications where all phases require synchronized protection.
• OEM-compatible: Engineered to align with OEM load centers and panelboards, ensuring a seamless fit and simple field retrofits.
• Versatile use cases: Suitable for residential, commercial, and light industrial electrical infrastructures that demand robust branch-circuit protection at 250 A and up to 600 V.

Ideal use scenarios

• New installations in commercial panelboards requiring a reliable 3-pole 250 A breaker.
• Retrofits or replacements in existing OEM panels where plug-in compatibility matters for quick service restoration.
• feeders supplying heavy machinery or critical circuits in light industrial settings where consistent protection is essential.

Tips for deployment and longevity

• Verify the JLA36250 part number matches your panelboard specifications to ensure a clean, secure electrical connection.
• Install in accordance with local electrical codes and manufacturer instructions, and schedule routine inspections to confirm trip coordination with other protection devices.
• Use as part of a coordinated protection scheme for optimal nuisance-tripping reduction and selective circuit protection.

With the Square D JLA36250, you gain a trusted, purpose-built solution for heavy-duty protection in panelboards and load centers. Its plug-in convenience, combined with a dependable thermal-magnetic trip, makes it a practical choice for professional installers and facility managers seeking fast, durable, and compatible branch-circuit protection.