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Mitsubishi NF250-CV Molded Case Circuit Breaker
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Mitsubishi NF250-CV Molded Case Circuit Breaker

Manufacturer: Mitsubishi
Frame Current: 250A
Number of poles: 3P
Breaking Capacity: 25kA

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Product Description

The Mitsubishi NF250-CV is a high-performance molded case circuit breaker (MCCB) designed for industrial and commercial power distribution systems. Part of Mitsubishi's WS-V series, it provides reliable protection against overcurrent, short-circuit, and earth leakage faults in circuits up to 690V AC. With a robust plastic housing and fixed-mount design, it ensures safe interruption of electrical faults while supporting three-phase configurations.

Standard Features

Ideal for main switches in control panels, it combines advanced safety features with ease of installation through front-wiring terminals.

  • High Breaking Capacity: 25 kA short-circuit interruption (Icu/Ics) for reliable fault protection

  • Modular Design: Supports internal accessories like alarm switches (AL), shunt trip units (SHT), and auxiliary contacts (AX) for flexible configurations

  • Front-Wiring Terminals: Simplified installation and maintenance with accessible front-side connections

  • Fixed Installation: Robust mounting for stable integration into switchboards and panels

  • Manual Operation: Local control via handle for direct switching and safety isolation

  • Wide Voltage Range: Rated for 400V–690V AC systems (50/60 Hz), suitable for global applications

  • Long Service Life: Mechanical durability of 12,000 operations, ensuring longevity in demanding environments

Technical Specifications

ModelRated current In (A)

Rated impulse withstand voltage Uimp (kV)

NF250-CV2508

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