Square D | JDL36250U43X | Circuit Breaker | 250A | 3-Pole | 600V

Introducing the Square D JDL36250U43X circuit breaker — a robust 250A, 3-pole, 600V protective device designed for demanding electrical environments. Built to meet maintenance, retrofit, and replacement needs where exact specifications matter, this unit serves as a precise compatibility reference for Square D panel systems.

Core specs at a glance

• Amperage: 250 A
• Poles: 3-Pole
• Voltage rating: 600 V

Why this specific part stands out

• Exact part reference: The JDL36250U43X number is your most reliable guide for compatibility, mounting, and electrical ratings.
• Reliability in retrofits: When upgrading or replacing, using the exact 3-pole, 250A, 600V configuration minimizes fit issues and circuit interruption risk.
• Maintenance-friendly: Designed for service continuity in existing Square D installations where panel labeling and listing align with this part number.

Ideal use cases

• Maintenance and service of existing Square D panels that specify JDL36250U43X or cross-reference to the part number.
• Retrofit projects where a like-for-like 3-pole, 600V breaker is required to support three-phase equipment and distribution arrangements.
• Replacement scenarios to restore original protection specifications without altering panel topology.

How to verify fit and ensure safe operation

• Always confirm compatibility by cross-referencing the exact part number JDL36250U43X with your panel's labeling and listing.
• Ensure your system voltage is within the 600V rating and that a 3-pole configuration matches your three-phase load.
• Check mounting pattern and terminal connections to align with your panel model, avoiding mismatches that could affect protection or trip performance.

For professionals planning a maintenance window or an equipment upgrade, this Square D circuit breaker delivers a dependable, specification-aligned solution that keeps three-phase systems running smoothly. Ready to order as a precise match for installations requiring 250A, 3-Pole, 600V protection, with the part number JDL36250U43X serving as your best compatibility reference.