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Chint NXB-63 4P C16 Miniature Circuit Breaker – 16A, 6kA Breaking Capacity, Type C Curve, 4 Pole MCB for Three-Phase + Neutral Protection
Chint NXB-63 4P C16 Miniature Circuit Breaker – 16A, 6kA Breaking Capacity, Type C Curve, 4 Pole MCB for Three-Phase + Neutral Protection
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Product Code: NXB-63-4P-C16
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 4 Pole (4P)
Rated Current: 16 Amperes (16A)
Tripping Curve: Type C
Breaking Capacity: 6kA
Compliance Standard: IEC/EN 60898-1
Mounting: DIN Rail
Product Overview
The Chint NXB-63 4P C16 MCB is a four-pole circuit breaker specifically designed for applications requiring the protection and full disconnection of three-phase circuits with a neutral. Rated at 16A, it is ideal for light-to-medium duty equipment, such as industrial lighting banks, HVAC units, or control panels, where neutral isolation is essential.
Its Type C tripping curve is optimized for circuits with moderate inrush currents, and the 6kA short-circuit capacity provides robust protection in fault conditions.
Key Features
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🔋 16A Rated Current – Suitable for medium-duty balanced three-phase + neutral systems
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⚡ 6kA Breaking Capacity – Ensures fast, safe disconnection during overloads or faults
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🔄 Type C Tripping Curve – Ideal for circuits with occasional startup surges
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🔌 4P Protection – Simultaneous isolation of L1, L2, L3, and Neutral for maximum safety
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🧲 DIN Rail Mounting – Compatible with standard electrical panel systems
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✅ IEC/EN 60898-1 Certified – Conforms to international standards for low-voltage circuit breakers
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Chint |
| Series | NXB-63 |
| Rated Current (In) | 16A |
| Voltage Rating (Ue) | 400V AC |
| Number of Poles | 4P (Three Phase + Neutral) |
| Tripping Curve | Type C |
| Breaking Capacity | 6kA |
| Frequency | 50/60 Hz |
| Mounting Type | DIN Rail |
| Operating Temperature | -5°C to +40°C |
| Standard Compliance | IEC/EN 60898-1 |
Typical Applications
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Three-phase + Neutral lighting systems
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Control and automation panels
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HVAC and small compressors
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Industrial boards with neutral disconnection requirement
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Residential or commercial sub-distribution with neutral protection
Why Choose Chint NXB-63 4P C16?
The NXB-63 4P C16 MCB delivers balanced protection with full 4-pole disconnection, making it ideal for applications where neutral isolation is critical. Backed by Chint’s trusted quality and international certification, it is the perfect solution for professional-grade electrical distribution.
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