Square D JJL36250U33X - 250 A, 600 V, 3-Pole Circuit Breaker | AmpState

Introducing the Square D JJL36250U33X — a robust 3-pole molded case circuit breaker engineered to protect your electrical system with precision. Built for dependable branch circuit overcurrent and short-circuit protection, this unit integrates seamlessly into panelboards and loadcenters where space, reliability, and compatibility matter.

This 250 A breaker is rated for up to 600 V, making it a versatile choice for residential subpanels, commercial distribution, and light industrial applications that require strong, consistent protection against electrical faults.

Key advantages that set this breaker apart

• Compact molded case design optimizes panel space, helping you maximize layout flexibility without compromising protection.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying temperatures and fault conditions, reducing nuisance trips and enhancing equipment safety.
• OEM-compatible performance is designed to align with matching Square D loadcenters and panelboards, simplifying installation and ensuring reliable operation.
• 3-pole configuration supports three-phase circuits commonly found in commercial and light industrial environments, while still serving complex residential setups that require three-phase protection.

Applications and use cases: Ideal for protecting branch circuits in distribution panels, subpanels in offices or warehouses, and retrofit projects where space savings and dependable trip characteristics are essential. If you’re upgrading panel protection in a 600 V system, this MCCB provides a precise balance of protection, space efficiency, and compatibility.

Technical snapshot:

• Manufacturer: Square D
• Part Number: JJL36250U33X
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 250 A
• Voltage Rating: 600 V
• Number of Poles: 3

In professional electrical installations, dependable protection isn’t optional — it’s essential. The Square D JJL36250U33X delivers clear, actionable benefits: space-conscious design, reliable fault protection, and plug‑and‑play compatibility with OEM panelware. For anyone building, upgrading, or maintaining panelboards and loadcenters in the 600 V realm, this 3-pole MCCB is a smart, future‑proof choice that helps you keep circuits safe and uptime steady.