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Chint NXB-125G 3P C100 Miniature Circuit Breaker – 100A, 10kA Breaking Capacity, Type C Curve, 3 Pole MCB for High-Capacity Three-Phase Power Protection
Chint NXB-125G 3P C100 Miniature Circuit Breaker – 100A, 10kA Breaking Capacity, Type C Curve, 3 Pole MCB for High-Capacity Three-Phase Power Protection
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Product Code: NXB-125G-3P-C100
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 3 Pole (3P)
Rated Current: 100 Amperes (100A)
Tripping Curve: Type C
Breaking Capacity: 10kA
Compliance Standard: IEC/EN 60947-2
Mounting Type: DIN Rail
Product Overview
The Chint NXB-125G 3P C100 MCB is a heavy-duty miniature circuit breaker designed for three-phase electrical systems that demand high current protection and safe disconnection. Rated at 100A, this MCB is ideal for main distribution boards, industrial control systems, and heavy machinery circuits.
Its Type C tripping curve is suitable for applications with moderate inrush current, such as motors and transformers. With a 10kA short-circuit breaking capacity, it ensures safe operation and fault interruption in demanding environments.
Key Features
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🔋 100A Rated Current – Built for high-capacity three-phase power circuits
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⚡ 10kA Breaking Capacity – Handles high fault currents with reliable performance
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🔄 Type C Tripping Curve – Ideal for inductive and moderately surge-prone loads
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🔌 3 Pole Protection (3P) – Full-phase isolation of L1, L2, and L3 lines
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🧲 DIN Rail Mounting – Quick and secure installation in distribution panels
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✅ Certified to IEC/EN 60947-2 – International standard for industrial-grade circuit protection
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Chint |
| Series | NXB-125G |
| Rated Current (In) | 100A |
| Voltage Rating (Ue) | 400V AC |
| Number of Poles | 3P |
| Tripping Curve | Type C |
| Breaking Capacity (Icn) | 10kA |
| Frequency | 50/60 Hz |
| Mounting Type | DIN Rail |
| Standard Compliance | IEC/EN 60947-2 |
| Operating Temperature | -5°C to +40°C |
Typical Applications
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Main breakers in 3-phase industrial distribution boards
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Large HVAC and refrigeration equipment
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Industrial pump and compressor circuits
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Generator outputs and heavy submain feeders
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Workshop and manufacturing plant installations
Why Choose Chint NXB-125G 3P C100?
The NXB-125G 3P C100 MCB offers premium protection for mission-critical power systems. With its high current rating, 10kA fault handling, and reliable Type C tripping performance, it is the trusted choice for industrial and commercial power engineers who demand maximum safety, durability, and compliance.
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