Mitsubishi NF50-SRU3005 - 5A, 3-Pole, Circuit Breaker

Meet the Mitsubishi NF50-SRU3005, a compact 5A, 3-Pole circuit breaker designed to deliver dependable overcurrent protection for demanding electrical systems. This unit is built to integrate seamlessly into panelboards, switchboards, and control panels, making it a trusted choice for industrial, commercial, and OEM applications where uptime and safety matter.

Why engineers and technicians choose the NF50-SRU3005:

• 5A current rating provides precise protection for small three-phase feeders and vital control circuits, preventing nuisance trips while guarding motors and wiring against overloads.
• 3-pole configuration simplifies protection of three-phase loads, reducing panel complexity and improving fault clearance coordination in distributed systems.
• Industrial-grade reliability from Mitsubishi’s trusted protection lineage, delivering consistent performance in harsh environments and under demanding duty cycles.
• Versatile installation scenarios ideal for distribution panels and motor control centers, where space efficiency and robust protection are essential.
• OEM-ready and scalable suitable for new builds and retrofits across manufacturing lines, machinery, and automation panels, helping you standardize protection without compromises.

In practical terms, the NF50-SRU3005 helps you reduce downtime by providing predictable, selective protection for three-phase equipment. When a fault occurs, the breaker isolates the affected circuit quickly, preserving the rest of the system and safeguarding valuable assets in your electrical distribution network.

Key use cases

• Protect three-phase feeders in panelboards and switchboards for manufacturing equipment
• Safeguard motors and drives in motor control centers and automated lines
• Incorporate into control panels for reliable, centralized protection in industrial automation projects

Compatibility and installation tips: ensure the breaker's current rating and 3-pole configuration align with your system requirements, and follow your panel manufacturer’s guidelines for mounting and clearances. The NF50-SRU3005 offers a reliable, space-conscious solution for robust electrical protection across a wide range of industrial, commercial, and OEM environments.