Square D MJP36800LV Circuit Breaker, 800A, 3-Pole, 600V

Introducing the Square D MJP36800LV circuit breaker — a rugged, industrial-grade protection device engineered for demanding electrical systems. With an 800 A rating and a 3-pole configuration at 600 V, this unit is built to safeguard large feeders and critical equipment in industrial environments, maintenance scenarios, and replacement projects.

Part of the Case Breaker Powerpact M family, the MJP36800LV is purpose-built for low-voltage (LV) applications where reliable overcurrent protection is essential. Its design supports 600 V systems, making it a practical choice for industrial power distribution where stability and safety matter most.

Why this breaker stands out

• High-current capability: An 800 A rating provides robust protection for substantial electrical loads without compromising system performance.
• Three-pole protection: Ensures balanced, coordinated protection across three-phase networks, helping maintain voltage integrity and equipment longevity.
• Industrial-grade durability: Built to withstand the rigors of factory floors and service environments where reliability is non-negotiable.
• Series alignment: Designed for seamless integration within the Powerpact M family, enabling consistent protection strategies across your distribution architecture.
• Compatibility-focused: Use the part number MJP36800LV to verify fit for your exact application. Verify voltage, pole configuration, and panel compatibility before purchase.
• Support if needed: Not sure about compatibility? Our team can help confirm fit and advise on the best application for your system.

Key use cases include main service protection, feeder protection in 600 V distributions, and replacement projects where an established, trusted device is required. This breaker is ideal for electrical engineers, maintenance technicians, and contractors seeking a dependable, industrial-rated solution that aligns with Square D’s Powerpact M standards.

Note: Always verify fit by part number and application requirements. If you need assistance matching a part number or confirming compatibility with your panel or switchgear, reach out—we’re ready to help ensure a correct and safe installation.