Square D JDA36250 - 250 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Discover dependable branch circuit protection with the Square D JDA36250. This 3-pole plug-in molded case circuit breaker is rated for 250A and 600V, built to fit seamlessly in panelboards and load centers for reliable overcurrent and short‑circuit protection.

Its fast plug-in connection streamlines installation and replacements, reducing downtime during service upgrades or panel maintenance. The thermal‑magnetic trip unit combines heat and magnetic elements to deliver stable, repeatable protection: it responds to overloads with a measured trip, and immediately disconnects on high fault currents to protect wiring and devices.

Designed for compatibility with matching OEM load centers, the JDA36250 ensures a clean, engineered fit within Square D panel systems, enabling straightforward upgrades or replacements in residential, commercial, and light industrial environments.

Key advantages

• Plug-in convenience: quick installation and effortless replacement in compatible panelboards.
• Thermal-magnetic protection: coordinated response to overloads and short circuits for reliable, repeatable performance.
• OEM compatibility: engineered to fit Square D load centers and panelboards for a seamless, manufacturer-supported installation.
• Three-pole design: ideal for controlled 3‑phase applications requiring robust protection.
• Versatile applications: suitable for residential, commercial, and light industrial electrical systems needing dependable 250A/600V protection.

Technical specifications

• Manufacturer: Square D
• Part Number: JDA36250
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 250A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical scenarios

• Upgrading existing panelboards to a dependable 3‑pole protection solution without modifying the bus or mounting hardware.
• Direct replacement in Square D load centers to restore fast, no-fuss maintenance and uptime in service rooms.
• Engineering new residential, commercial, or light industrial installations that require a robust 250A, 600V protection path for critical circuits.

Installation and compatibility tips

• Verify panelboard compatibility with Square D OEM components before installation to ensure a secure fit and compliant operation.
• Follow standard safety practices: de-energize equipment, test with appropriate tools, and torque terminals according to manufacturer specifications.
• Use this plug-in breaker specifically in panelboards designed for plug-in molded case devices to achieve optimal performance and reliability.