Square D PJP36120 Circuit Breaker, 1200A, 3-Pole, 600V

The Square D PJP36120 circuit breaker is built to handle demanding industrial environments. With a 1200 A rating, a 3-pole configuration, and a 600 V maximum, this unit delivers reliable, high-current protection for serious electrical services, maintenance retrofits, and replacement projects. Use the exact part number to confirm compatibility with your panel, bus arrangement, and application requirements.

Key specifications at a glance

• Manufacturer: Square D
• Part Number: PJP36120
• Product Type: Circuit Breaker
• Amperage: 1200 A
• Poles: 3
• Voltage: 600 V

Ideal use cases

• Industrial electrical service installations that require high-current protection and three-phase safety.
• Maintenance scenarios where a like-for-like replacement is needed to minimize downtime.
• Retrofits or panel upgrades in manufacturing, processing, or heavy equipment facilities where reliability is critical.

What makes this model stand out

• High-current protection: 1200 A capacity supports demanding loads and large distribution systems.
• Three-pole configuration: Provides balanced protection for three-phase systems, simplifying integration into existing panels.
• 600 V rating: Appropriate for a wide range of industrial applications and equipment with higher voltage demands.
• Brand trust: Square D is known for durable, field-proven electrical protection components, designed to endure harsh industrial conditions.

Compatibility and purchase guidance

Verify fit by the exact part number PJP36120 and your specific application requirements to ensure optimal performance. If you need assistance matching a part number or confirming compatibility with your equipment, send us a message and we’ll help you confirm a proper fit and installation approach.

Practical installation and safety notes

• Always de-energize equipment and follow applicable electrical codes and safety practices before installation or replacement.
• Consult the panel manufacturer's guidelines for acceptable breaker types and configurations when integrating a 3-pole device into existing gear.
• Keep a record of the part number and specifications for future maintenance or replacements to streamline service calls.