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CHINT NXB-125 3P C80 Miniature Circuit Breaker
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CHINT NXB-125 3P C80 Miniature Circuit Breaker

Manufacturer: CHINT
Model: NXB-125 3P C80
Product Type: Miniature Circuit Breaker (MCB)
Number of Poles: 3P
Rated Current: 80A
Tripping Curve: C Curve
Rated Voltage: 230/400VAC
Frequency: 50/60Hz

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Product Description

The CHINT NXB-125 3P C80 miniature circuit breaker is designed for reliable overload and short-circuit protection in low-voltage electrical distribution systems. Featuring a 3-pole configuration and C-curve tripping characteristic, it is suitable for commercial, industrial, and infrastructure applications requiring stable circuit protection for high inrush current equipment. The breaker supports DIN rail installation and complies with IEC standards for safety and performance. Its compact modular structure, durable mechanical design, and high breaking capacity make it ideal for panel builders, OEM equipment, and power distribution cabinets.

Standard Features

  • Overload Protection: Protects electrical circuits against excessive current conditions

  • Short Circuit Protection: Rapid disconnection during fault current events

  • C Curve Tripping: Suitable for inductive and mixed load applications with moderate inrush current

  • DIN Rail Installation: Standard rail mounting for fast panel integration

  • Industrial Distribution Use: Suitable for low-voltage power distribution systems

  • High Breaking Capacity: Supports reliable interruption under high fault current conditions

  • Compact Modular Design: Saves installation space inside electrical cabinets

  • Long Service Life: Durable mechanical and electrical operating lifespan

Technical Specifications

Parameter Specification
ManufacturerCHINT
ModelNXB-125 3P C80
Product TypeMiniature Circuit Breaker
Pole Configuration3 Pole
Rated Current80A
Tripping CharacteristicC Curve
Rated Voltage230/400VAC
Rated Frequency50/60Hz
Breaking Capacity10kA
Standard ComplianceIEC 60898-1
Installation Method35mm DIN Rail
Mechanical Life20000 Operations
Electrical Life10000 Operations
Protection DegreeIP20
Terminal TypeScrew Terminal
Application CategoryPower Distribution Protection
Operating Temperature-35°C to +70°C
Housing MaterialFlame Retardant Thermoplastic

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