Square D JJA36225 - 225 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Square D JJA36225 is a proven, heavy-duty solution for dependable branch circuit protection in panelboards and load centers. Built for fast, reliable protection of three-phase systems, this 225 A, 600 V plug-in molded case circuit breaker is designed to keep critical equipment online while simplifying installation and maintenance.

• Fast plug-in connection enables swift installation and straightforward replacement, minimizing panel downtime during upgrades or servicing.
• Thermal-magnetic trip unit delivers stable overload protection with precise short-circuit response, providing repeatable protection performance across varying loads.
• 3-pole configuration is ideal for 3-phase circuits commonly found in commercial and light industrial settings, including HVAC, motors, and power distribution panels.
• 225 A, 600 V rating supports high-load branch circuits while safely isolating faults to protect wiring and connected equipment.
• OEM-compatible design ensures compatibility with matching Square D OEM panelboards and load centers, helping maintain proper labeling and system integrity.
• Plug-in mounting simplifies installation within compatible enclosures, making retrofits and upgrades more efficient.

Where this breaker shines is in real-world panel installations where downtime is costly and reliability is non-negotiable. Use it as a main or branch protective device in commercial buildings, light industrial facilities, and residential-commercial mix environments where three-phase loads demand coordinated overcurrent protection. It’s especially well-suited for distribution panels that require fast swaps and consistent trip characteristics to minimize nuisance outages.

Typical applications include protecting large motors, compressors, conveyors, lighting and power distribution nodes, or any 3-phase load center that benefits from a rugged, plug-in molded case breaker. With the JJA36225, you get a trusted Square D design that combines quick installation with durable performance in demanding electrical landscapes.

Technical snapshot — Square D JJA36225

• Part Number: JJA36225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 225 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection
• Manufacturer: Square D
• Ideal for: Residential, commercial, and light industrial applications

When planning a panel upgrade or new installation, confirm panelboard compatibility with this plug-in breaker to ensure reliable bus alignment, proper trip characteristics, and compliant labeling. For electricians and facilities teams seeking robust three-phase protection with rapid, tool-free replacement, the Square D JJA36225 stands out as a tangible, long-term performance investment.