Square D JDA36250U44X - 250 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Square D JDA36250U44X is a 250 A, 600 V, 3-pole plug-in molded-case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers.

With a fast plug-in connection, this unit enables quick installation and effortless replacement, reducing downtime during panel upgrades or servicing. The thermal-magnetic trip unit delivers stable, repeatable protection across a wide range of fault conditions, helping you maintain electrical safety and system reliability in demanding environments. Designed to integrate with matching OEM load centers and panelboards, it’s a versatile solution for residential, commercial, and light industrial applications.

Key advantages

• Fast plug-in connection for rapid installation and easy maintenance
• Thermal-magnetic trip unit provides precise, reliable overcurrent protection
• 250 A rating and 600 V capacity support high-demand circuits
• Three-pole design for balanced protection of 3-phase systems
• Plug-in molded-case construction compatible with OEM panelboards
• Applicable to panelboards and load centers in a range of settings

Technical specifications

• Manufacturer: Square D
• Part Number: JDA36250U44X
• 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

Ideal use scenarios

Perfect for upgrading or configuring panelboards and load centers where robust protection is required for multi‑branch circuits. Electricians and facilities managers will appreciate the quick plug-in installation, while building operators in residential, commercial, and light industrial settings benefit from reliable thermal-magnetic protection that helps prevent costly electrical faults.

Why choose this Square D breaker

This 3-pole, 250 A, 600 V plug-in molded-case breaker combines fast installation with proven thermal-magnetic protection, tailored for compatibility with OEM panelboards. It’s a practical, dependable choice for teams seeking consistent performance, straightforward replacements, and seamless integration into existing electrical infrastructure.

Available from AmpState, a trusted source for electrical protection devices, providing authentic Square D quality and support for your panel installations.