Square D JRA36250 - 250 A, 3-Pole Plug-In Circuit Breaker | AmpState

Introducing the Square D JRA36250, a robust 250A, 3-pole plug-in molded case circuit breaker built to protect your panelboards and load centers with precision. Designed for dependable branch circuit overcurrent and short-circuit protection, this device keeps your electrical system running smoothly in demanding environments.

• Fast plug-in connection for quick installation and effortless replacements, minimizing panel downtime during service or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance by addressing both overload conditions and instantaneous short circuits.
• OEM-compatible design engineered to drop into matching Square D load centers and panelboards, ensuring reliable fit and consistent operation.
• Versatile across applications suitable for residential, commercial, and light industrial electrical systems where dependable protection is essential.

Technical Details

• Manufacturer: Square D
• Part Number: JRA36250
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 250A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the JRA36250 in your electrical panel

When you’re upgrading or maintaining panel infrastructure, you need a breaker that combines fast, reliable installation with predictable protection characteristics. The JRA36250’s plug-in design reduces service time while the thermal-magnetic trip unit provides consistent response to overloads and faults. Its compatibility with Square D OEM panels means you’re not guessing about fit or performance—this breaker is built to perform as part of a cohesive, rated system. Whether you're wiring a new residential subpanel, outfitting a commercial distribution panel, or upgrading a light industrial installation, this 250A, 3-pole breaker offers the protection you can trust.

Use cases and practical applications

• Replacements in existing Square D panelboards and load centers that accept JRA-series breakers
• Branch-circuit protection for high-load circuits in commercial spaces (offerings like HVAC, motor loads, or large feeders)
• Upgrades in residential service panels where higher ampacity and reliable trip performance are required
• Maintenance projects requiring quick, downtime-minimizing plug-in installations