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Mitsubishi WS-V Molded Case Circuit Breaker

Manufacturer: Mitsubishi
Rated Current: 15A-250A
Ultimate short-circuit breaking capacity: 36kA-150kA
Tripping method: Thermal-electromagnetic

Product Description

The Mitsubishi WS-V Series Molded Case Circuit Breaker (MCCB) is a cutting-edge low-voltage protection device designed for industrial and commercial electrical systems. It efficiently distributes electrical energy while safeguarding circuits and equipment against overloads, short circuits, earth leakage, and undervoltage faults. Suitable for AC 50Hz networks (rated voltage: 400V, current: up to 800A), it ensures reliable operation in diverse environments—from motor protection to power distribution panels.

Standard Features

Its compact design, compliance with global standards, and enhanced safety features make it ideal for critical infrastructure.

  • High Breaking Capacity: Up to 75 kA, ensuring robust short-circuit protection

  • Multi-Function Protection: Integrates overload, short-circuit, earth leakage, and undervoltage protection

  • Compact & Modular Design: Space-saving structure with standardized accessories

  • Adjustable Settings: Tunable trip thresholds

  • Wide Temperature Tolerance: Operates at -10°C to 40°C

  • Global Certifications: Complies with IEC, GB/T, and CCC standards

  • Motor Protection: Dedicated models (≤225A) for motor circuit safety

Technical Specifications

ModelCurrent range (Amps) Ultimate short-circuit breaking capacity(kA)Number of Poles
NF125-SXV

15,16,20,30,32,40,50

60,63,75,80,100,125

362P 3P 4P
NF125-SGV36 
NF125-LXV50 
NF125-LGV50 
NF125-HXV75 
NF125-HGV75 
NF125-RGV150 
NF160-SXV 

15,16,20,30,32,40,50

60,63,75,80,100,125

150,160

36 
NF160-SGV 36 
 NF160-LXV50 
NF160-LGV 50 
NF160-HXV 75 
NF160-HGV 75 
NF250-SXV

 100,125,150,175

200,225,250

    
36 
NF250-SGV36
NF250-LXV 50 
 NF250-LGV 50 
 NF250-HXV 75 
NF250-HGV75
NF250-RGV 150

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