Square D PJA36025U44A Circuit Breaker, 250A, 3-Pole, 600V

Engineered for demanding industrial environments, the Square D PJA36025U44A Circuit Breaker delivers reliable, trip-ready protection for three-phase power systems. With a 250 A rating and a 600 V maximum, it’s designed to shield heavy-load feeders, motors, and control panels from overloads and short circuits across manufacturing floors, warehouses, and processing facilities.

Key advantages

• Three-pole design ensures simultaneous interruption of all three phases to prevent unbalanced faults.
• 250 A rating supports large motor circuits and high-current feeders without nuisance trips.
• 600 V maximum system voltage aligns with common industrial distribution networks.
• Rugged Square D construction for dependable performance in harsh environments.
• Part number-specific compatibility: Verify fit by part number PJA36025U44A and your application requirements.
• If you need confirmation of compatibility, our team can help you verify fit with your panel or system.

Who benefits

Electrical engineers, maintenance technicians, and plant electricians who build, upgrade, or maintain 3‑phase electrical systems will find this breaker essential for protecting equipment and keeping downtime to a minimum.

Typical use cases

• Replacing a failed breaker in industrial control panels and switchgear.
• Protecting 3-phase motor circuits (pumps, conveyors, fans) in manufacturing lines.
• Feeder protection for distribution panels and subpanels in commercial/industrial facilities.
• Upgrading to 600 V class protection on existing systems that require a 250 A, 3-pole device.

Compatibility and installation

Notes: Verify fit by part number and application requirements. Use the exact part number PJA36025U44A to confirm compatibility with your equipment and electrical architecture. This breaker is intended for industrial service, maintenance, and replacement projects. If you’re unsure about panel compatibility or mounting, contact our support team for guidance.

Specifications at a glance

• Part Number: PJA36025U44A
• Amperage: 250 A
• Poles: 3
• Voltage: 600 V
• Application: Industrial service, maintenance, and replacement projects

Secure dependable protection for your 3‑phase power today—add the PJA36025U44A to your cart and ensure reliable fault interruption when it matters most.