Square D JDL36250U31X - 250 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Square D JDL36250U31X is a purpose-built, 250A, 600V three-pole molded case circuit breaker designed to protect your panelboards and load centers with dependable precision. Built for demanding branch circuit protection, this unit delivers consistent thermal-magnetic trip behavior and a compact footprint that helps you maximize space without compromising safety.

What makes this breaker stand out

• 250A amperage rating provides robust protection for high‑draw branch circuits and heavy feeders in commercial and light‑industrial environments.
• 600V voltage rating enables safe operation across a wide range of AC distribution networks, delivering reliable protection in panelboards and load centers.
• 3-pole configuration ideal for 3‑phase systems, ensuring coordinated protection and streamlined wiring in multi‑phase electrical layouts.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining both thermal and magnetic sensing to quickly clear short‑circuit events while preventing nuisance trips.
• Compact molded case design saves panel space and simplifies installation, making it a practical fit for modern electrical panels where space is at a premium.
• OEM‑compatible engineered to be fully compatible with matching Square D OEM load centers and panelboards for dependable fit and coordinated protection.
• Versatile application suitable for residential, commercial, and light industrial applications that require reliable branch circuit protection and quick fault isolation.

Why it solves real-world problems

Electrical systems demand fast, predictable protection to prevent damage, downtime, and safety risks. The JDL36250U31X combines a high current rating with a precise thermal-magnetic trip curve, so you get quick fault clearing for short circuits and controlled, non‑disruptive operation during overloads. Its compact form factor and OEM compatibility mean you can upgrade or expand panel layouts with confidence, knowing the breaker will seat correctly and coordinate with existing protection schemes.

Ideal use scenarios

• Upgrading commercial subpanels or service panels that require robust 3‑phase protection for large feeders.
• Installing in light industrial electrical rooms where space is limited but reliability is non‑negotiable.
• Residential to commercial transitions where a matched, easy‑to‑install solution is needed for high‑draw circuits.
• Replacement in existing Square D panelboards to maintain consistent protection characteristics and electrical coordination.

Specifications at a glance

• Manufacturer: Square D
• Part number: JDL36250U31X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 250A
• Voltage rating:
600V
• Number of poles: 3
• Application: Branch circuit overcurrent and short‑circuit protection

Available from AmpState, the Square D JDL36250U31X brings trusted performance, precise protection, and a space‑saving design to your electrical infrastructure. If you’re looking for a reliable, OEM‑compatible solution for 3‑phase panelboards and load centers, this 250A, 600V molded case breaker delivers the protection you can depend on—today and for years to come.