Square D JDA36225 - 225 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D JDA36225, a rugged three-pole plug-in molded case circuit breaker built to protect main and branch circuits in panelboards and load centers. With a 225 A rating and a 600 V maximum, this device is designed for demanding environments found in residential, commercial, and light industrial applications. Its plug-in design reduces installation downtime, making replacements and upgrades faster and easier for service technicians and facility managers alike.

Core advantages you’ll notice on the job

• Fast plug-in connection for quick installation and effortless replacement, minimizing panel downtime during upgrades or fault remediation.
• Thermal-magnetic trip unit delivers stable, repeatable protection—sensing sustained overloads and short circuits with precise, predictable responses to keep conductors and equipment safe.
• 3-pole configuration ideal for 3-phase distribution and multi-wire branch circuits, helping maintain phase balance and coordinated protection in larger panels.
• Molded case construction combines durability with compact form factor, designed to withstand vibration, temperature variations, and ongoing industrial use.
• OEM compatibility engineered to pair with matching Square D load centers and panelboards, ensuring reliable fit and performance across your electrical distribution system.
• Versatile applications suited for residential service panels, commercial feeders, and light industrial distribution networks where robust overcurrent and short-circuit protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part number: JDA36225
• 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

Ideal use cases and practical scenarios

Upgrade or expand a distribution panel in a commercial space to support additional equipment racks, HVAC controllers, or lighting systems with confidence. In a residential setting, deploy this breaker in larger subpanels to manage multi-zone circuits and high-draw appliances safely. In light industrial environments, it provides reliable protection for feeder circuits that power machinery and processing lines, helping prevent nuisance trips and equipment damage during fault events.

Tips for installation and optimization

• Verify panelboard compatibility with JDA-series breakers before swapping or installing to ensure peak performance and alignment with NEC guidelines.
• Use the plug-in design to minimize field wiring time—pre-verify conductor sizes and torque requirements to ensure a secure, long-lasting connection.
• When planning upgrades, map out load calculations to confirm that a 225 A rating aligns with your anticipated demand and future expansion.
• Store and handle breakers in a clean, dry environment to preserve the trip unit’s accuracy and long-term reliability.

With the Square D JDA36225, AmpState delivers a dependable, high-capacity protection solution that pairs easy installation with robust, predictable performance in a variety of panel configurations. If you’re looking to safeguard large branch circuits while keeping maintenance straightforward, this 225 A, 600 V, 3-pole plug-in breaker is designed to meet the demands of modern electrical systems.