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Chint NXB-125 2P C100 Miniature Circuit Breaker – 100A, 10kA Breaking Capacity, Type C Curve, 2 Pole MCB for High-Power Single-Phase and Dual-Phase Applications
Chint NXB-125 2P C100 Miniature Circuit Breaker – 100A, 10kA Breaking Capacity, Type C Curve, 2 Pole MCB for High-Power Single-Phase and Dual-Phase Applications
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Product Code: NXB-125-2P-C100
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 2 Pole (2P)
Rated Current: 100 Amperes (100A)
Tripping Curve: Type C
Breaking Capacity: 10kA
Standard Compliance: IEC/EN 60947-2
Mounting Type: DIN Rail
Product Overview
The Chint NXB-125 2P C100 MCB is a high-capacity two-pole miniature circuit breaker designed to provide reliable protection for single-phase high-current loads, two-phase systems, or line + neutral configurations. With a 100A rated current and a Type C tripping curve, it’s built to handle moderate inrush currents from inductive loads such as motors, transformers, and industrial devices.
Its 10kA breaking capacity makes it suitable for use in commercial and light industrial environments where short-circuit protection and overload safety are critical.
Key Features
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🔋 100A Current Rating – Designed for large single-phase or dual-pole installations
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⚡ 10kA Breaking Capacity – Handles high fault currents safely and reliably
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🔄 Type C Tripping Curve – Suitable for circuits with moderate starting surges
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🔌 2 Pole Isolation – Simultaneous disconnection of line and neutral or dual live conductors
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🧲 DIN Rail Mounting – Fast and secure installation in all standard enclosures
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✅ Compliant with IEC/EN 60947-2 – Assures quality and safety in global markets
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Chint |
| Series | NXB-125 |
| Rated Current (In) | 100A |
| Voltage Rating (Ue) | 230/400V AC |
| Number of Poles | 2P |
| 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 protection in single-phase power distribution
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High-load circuits such as HVAC, pumps, and heating systems
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Generator and UPS input/output protection
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Industrial equipment using two-phase or dual-line wiring
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Submain protection for commercial loads
Why Choose Chint NXB-125 2P C100?
The Chint NXB-125 2P C100 offers a combination of high current handling, fault resilience, and versatile protection for demanding single or two-pole power applications. It’s a premium solution for electrical professionals who require reliability, safety, and compliance in compact distribution systems.
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