Square D | PJM36120 | Circuit Breaker | 1200A | 3-Pole | 600V | Bolt-On

Introducing the Square D PJM36120 circuit breaker—an industrial-grade, 3-pole protection device designed for demanding electrical environments. With a 1200A rating and 600V capability, this bolt-on breaker is built to withstand large-scale feeders, motors, and 3‑phase distributions. Use it for precise maintenance, retrofit, or replacement when the PJM36120 specification is required, ensuring your system remains protected and compliant.

Key specifications

• Amperage: 1200A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Reference: Part number PJM36120 (best compatibility reference)

Why this PJM36120 stands out

• Designed for high-current, three‑phase protection in Square D panels, making it a reliable choice for heavy loads and critical machinery.
• Bolt-on mounting delivers a secure, durable connection suitable for environments with vibration or frequent maintenance access.
• Specifically matched to 600V systems, providing clear, definitive protection for large distribution circuits and motor feeders.
• The PJM36120 designation is your strongest reference for compatibility, reducing guesswork during replacements and upgrades.

Ideal use cases

• Replacement in legacy or upgraded Square D 3‑phase panels where a 1200A, 600V, 3‑pole bolt-on breaker is required.
• Retrofit projects in industrial facilities, data centers, or manufacturing lines with high-demand motors and feeders.
• Maintenance scenarios where exact part matching prevents panel mismatches and downtime.

Installation and compatibility tips

Before ordering, confirm fit and ratings against your panel’s labeling and service requirements. The PJM36120 part number serves as the best compatibility reference for this model. When installing, ensure the operating voltage aligns with your system (600V) and that the surrounding panel is rated for 1200A to avoid overload. Follow standard electrical safety practices, and consult your panel’s installation guidelines for torque recommendations and secure mounting procedures.

Ready to safeguard your high‑current, three‑phase circuits with a trusted Square D solution? Add the PJM36120 to your cart and ensure precise, reliable protection where it matters most.