Square D JDA36250U43X - 250 A, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D JDA36250U43X is a 250A, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection against overcurrent and short circuits in panelboards and load centers. Built for fast installations and easy replacements, this unit lets you upgrade or expand electrical protection with minimal downtime.

• Fast plug-in connection: Quick installation and straightforward component swaps reduce labor time and field wiring complexity.
• Thermal-magnetic trip unit: Combines precise overload protection with robust short-circuit response for stable, repeatable protection performance across varying loads and ambient conditions.
• OEM-compatible design: Engineered to be fully compatible with matching Square D load centers and panelboards, ensuring proper fit, coordination, and reliable operation.
• Versatile applications: Suitable for residential, commercial, and light industrial environments where durable, high-capacity protection is required.

Practical use scenarios include upgrading service panels or subpanels, retrofitting existing electrical layouts, and provisioning heavy-duty circuits that demand strong protection without sacrificing install speed. The JDA36250U43X is ideal for electricians and facilities managers who value reliability, ease of maintenance, and panelboard harmonization with Square D components.

Key benefits in real-world terms:

• Minimized downtime during panel upgrades thanks to fast plug-in installation.
• Predictable protection with a thermal-magnetic trip that reduces nuisance trips while safeguarding equipment.
• Peace of mind from OEM-compliant compatibility, ensuring seamless operation within your existing Square D ecosystem.
• Clear pathway for scaling electrical capacity in both small- and mid-sized facilities.

Technical specifications

• Manufacturer: Square D
• Part Number: JDA36250U43X
• 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

When you’re configuring panelboards and loadcenters for reliability and long-term performance, the Square D JDA36250U43X delivers a solid balance of rapid installation, robust protection, and OEM-consistent compatibility. Available from AmpState for trusted sourcing and quick fulfillment—add it to your electrical project today.