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Chint NXB-125G 4P C100 Miniature Circuit Breaker – 100A, 10kA Breaking Capacity, Type C Curve, 4 Pole MCB for Industrial-Grade Three-Phase + Neutral Protection
Chint NXB-125G 4P C100 Miniature Circuit Breaker – 100A, 10kA Breaking Capacity, Type C Curve, 4 Pole MCB for Industrial-Grade Three-Phase + Neutral Protection
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Product Code: NXB-125G-4P-C100
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 4 Pole (4P)
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 4P C100 MCB is designed to provide robust, high-capacity circuit protection in three-phase systems with a neutral conductor. With a rated current of 100A, it is ideal for main incomer protection, motor control centers, HVAC systems, and heavy machinery panels.
This Type C circuit breaker handles moderate inrush currents, while its 10kA short-circuit breaking capacity guarantees safe and reliable operation in demanding industrial or commercial environments. The 4-pole configuration ensures that all three phases and the neutral are disconnected simultaneously, meeting stringent safety standards.
Key Features
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🔋 100A Current Rating – Built for high-load installations and main circuit protection
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⚡ 10kA Breaking Capacity – Withstands high short-circuit currents for enhanced safety
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🔄 Type C Tripping Curve – Supports loads with moderate inrush currents
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🔌 4 Pole (3P + N) Protection – Full isolation of all active conductors including neutral
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🧲 DIN Rail Mounting – Streamlined installation in industrial panels and enclosures
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✅ IEC/EN 60947-2 Certified – Assures safety, durability, and global compliance
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Chint |
| Series | NXB-125G |
| Rated Current (In) | 100A |
| Voltage Rating (Ue) | 400V AC |
| Number of Poles | 4P (L1, L2, L3, N) |
| Tripping Curve | Type C |
| Breaking Capacity (Icn) | 10kA |
| Frequency | 50/60 Hz |
| Mounting Type | DIN Rail |
| Operating Temperature | -5°C to +40°C |
| Compliance Standard | IEC/EN 60947-2 |
Typical Applications
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Main incomer protection for distribution boards
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Industrial automation and motor control panels
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Commercial HVAC and refrigeration systems
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Pump stations, factories, and manufacturing plants
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UPS and generator output circuits requiring neutral isolation
Why Choose Chint NXB-125G 4P C100?
The NXB-125G 4P C100 MCB delivers high-performance, full-phase + neutral protection in large-scale electrical systems. Its robust 10kA rating, Type C curve, and 4-pole isolation make it the preferred choice for electrical professionals designing safe, efficient, and compliant installations.
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