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Mitsubishi NF400 Seires Molded Case Circuit Breaker
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Mitsubishi NF400 Seires Molded Case Circuit Breaker

Manufacturer: Mitsubishi
Rated Current: 200A-400A
Ultimate short-circuit breaking capacity: 50kA-70kA
Tripping method: Electronic

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Product Description

The Mitsubishi NF400 Series Molded Case Circuit Breaker (MCCB) delivers advanced protection for low-voltage circuits in industrial applications. Designed for systems up to 690V AC (50/60Hz) with current ratings from 200A to 400A, it offers robust defense against overloads, short circuits, and undervoltage conditions. Ideal for motor protection and infrequent switching scenarios, this MCCB combines high breaking capacity (up to 70kA) with exceptional reliability.

Standard Features

Its modular construction allows flexible integration of thermal-magnetic or electronic trip units, while compact dimensions optimize panel space. Engineered for harsh environments, the NF400 series ensures operational safety and minimal maintenance across power distribution networks.

  • Wide Current Range: 200A–400A coverage
  • High Voltage Support: Rated for AC systems up to 690V
  • Triple Protection: Integrated overload, short-circuit, and undervoltage protection
  • Ultra-High Breaking Capacity: 50,70kA @ 690V AC
  • Interchangeable Trip Units: Supports thermal-magnetic or electronic tripping
  • Compact Design: Space-saving installation
  • Rugged Construction: Dust/impact-resistant for industrial use
  • Versatile Configuration: 3P/4P pole options

Technical Specifications

ModelCurrent range (Amps)

 Ultimate short-circuit

breaking capacity(kA)

NF400-SEW/3P

200-400

50
NF400-SEW/4P
NF400-HEW/4P70
NF400-HEW/4P

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