Square D JDM34250WU31X - 250 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Engineered by Square D, the JDM34250WU31X is a 250A, 480V, 3-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to withstand demanding electrical environments, it provides consistent performance when it matters most.

• Bolt-on mounting delivers a rigid, vibration-resistant bus connection for dependable electrical continuity and long-term reliability.
• Thermal-magnetic trip unit offers stable, repeatable protection across varying temperatures and load conditions, reducing nuisance trips and protecting downstream equipment.
• 3-pole design ensures balanced protection for three-phase systems, simplifying installation in commercial and light industrial applications.
• 480V rating makes it suitable for voltage levels common in panelboards and distribution equipment used in non-residential settings.
• OEM-compatible with matching Square D load centers and panelboards, enabling straightforward replacement, upgrades, or expansion without compatibility concerns.

Technical snapshot

• Manufacturer: Square D
• Part Number: JDM34250WU31X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 250A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for who and where

This breaker is well-suited for residential, commercial, and light industrial environments where robust protection and easy serviceability matter. Use it to safeguard feeders, branch circuits, and critical loads within panelboards and load centers, especially where a secure bolt-on connection and reliable trip behavior are essential.

Why choose the Square D JDM34250WU31X

By combining a rugged bolt-on mounting approach with a dependable thermal-magnetic trip mechanism, this 250A, 480V, 3-pole breaker delivers precise protection for demanding electrical layouts. Its compatibility with OEM panels means you can perform replacements or upgrades with confidence, maintaining system integrity and reducing downtime during maintenance or expansion.