Square D PJP36100U44A Circuit Breaker, 1000A, 3-Pole

The Square D PJP36100U44A circuit breaker is a rugged, industrial-grade protection device designed for demanding electrical service, maintenance, and replacement projects. With a 3-pole configuration and a 1000 A rating, this breaker is engineered to safeguard large, three-phase electrical systems where reliable overcurrent protection is critical.

Key advantages at a glance

• Three-pole design for three-phase systems—protects and interrupts power across all three hot legs for balanced, consistent protection.
• 1000 A amperage—built to handle high-current applications common in industrial service panels and distribution setups.
• Industrial-grade reliability—part of Square D’s proven line of protective devices, ready for demanding environments and ongoing maintenance/replacements.
• Compatibility focus—use the part number PJP36100U44A to confirm fit with your specific application and panel configuration.

Compatibility and practical use

To ensure proper function and safety, verify fit by the exact part number and match it to your application requirements. This breaker is intended for industrial electrical service, maintenance, and replacement projects where robust protection and dependable performance are essential. If you’re unsure about compatibility, our team can assist — just send a message and we’ll help verify fit and suitability for your setup.

Ideal use cases

• Replacement in large 3-phase distribution panels in manufacturing environments
• Protective device in industrial service entrances and heavy-load applications
• Maintenance updates for aging switchgear where a 1000 A, 3-pole solution is required

Why choose this Square D breaker

• Brand reliability—Square D is a trusted name in industrial electrical protection, known for consistent performance across demanding applications.
• Clear compatibility pathway—the exact part number (PJP36100U44A) is the quickest way to confirm fit for your panel and system needs.
• Support when you need it—if you’re unsure about compatibility or installation, message us and we’ll help verify details and options.

Ready to confirm compatibility or need guidance on installation considerations? Reach out with the part number PJP36100U44A and your application details, and we’ll help ensure this 1000 A, 3-pole Square D circuit breaker is the right fit for your project.