Square D JJN36250 Circuit Breaker, 250A, 3-Pole, 600V

Engineered for reliability in demanding industrial environments, the Square D JJN36250 is a 250 Amp, three-pole circuit breaker designed to protect critical electrical circuits in heavy-duty service. Rated for 600V, this breaker is a robust solution for industrial electrical protection, maintenance, and replacement projects where downtime isn’t an option.

Key specifications

• Part Number: JJN36250
• Amperage: 250 A
• Poles: 3
• Voltage: 600 V
• Manufacturer: Square D

Why this breaker is a smart fit for your panel

Three-pole design supports 3‑phase distribution, providing coordinated protection across each leg of your industrial service. The 600V rating makes it suitable for common plant feeders, motor circuits, and distribution panels, delivering reliable interruption during overloads or faults while minimizing collateral damage to connected equipment.

Ideal use cases

• Replacement in aging industrial panels where a 3‑pole, 600V protection is required
• Protection for high‑demand motor circuits and three‑phase feeders in manufacturing facilities
• New installations in industrial or commercial spaces that operate at 600V and require robust upstream protection

Compatibility and support

Verify fit by part number and application requirements to ensure seamless integration with your panel. If you need help matching a part number or confirming compatibility, message us and we’ll assist in identifying the right fit for your specific equipment and setup.