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Chint NXB-63 3P C50 Miniature Circuit Breaker – 50A, 6kA Breaking Capacity, Type C Curve, 3 Pole MCB for Demanding Three-Phase Applications
Chint NXB-63 3P C50 Miniature Circuit Breaker – 50A, 6kA Breaking Capacity, Type C Curve, 3 Pole MCB for Demanding Three-Phase Applications
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Product Code: NXB-63-3P-C50
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 3 Pole (3P)
Rated Current: 50 Amperes (50A)
Tripping Curve: Type C
Breaking Capacity: 6kA
Compliance Standard: IEC/EN 60898-1
Mounting Type: DIN Rail
Product Overview
The Chint NXB-63 3P C50 MCB is a robust, three-pole miniature circuit breaker designed for high-current, three-phase installations. With a 50A current rating and a Type C tripping curve, it’s ideal for powering equipment with moderate inrush currents, including industrial machines, HVAC units, compressors, and heavy-duty workshop tools.
A 6kA short-circuit breaking capacity ensures safety by enabling fast disconnection during fault conditions, while the DIN rail compatibility allows for straightforward installation in industrial panels or commercial distribution boards.
Key Features
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🔋 50A Rated Current – Delivers powerful circuit protection for heavy-duty applications
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⚡ 6kA Breaking Capacity – Protects wiring and equipment from dangerous fault currents
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🔄 Type C Tripping Curve – Handles moderate inrush currents from inductive loads
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🔌 3-Pole Configuration (3P) – Provides simultaneous isolation of all three phases
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🧲 DIN Rail Mounting – Standardized, quick-fit installation in control cabinets
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✅ IEC/EN 60898-1 Certified – Ensures compliance with global electrical safety standards
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Chint |
| Series | NXB-63 |
| Rated Current (In) | 50A |
| Voltage Rating (Ue) | 400V AC |
| Number of Poles | 3P |
| 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 industrial machines and heavy-duty motors
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Commercial HVAC systems
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Sub-distribution panels in factories
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Generator and inverter output protection
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Power panels in large-scale workshops
Why Choose Chint NXB-63 3P C50?
The Chint NXB-63 3P C50 MCB offers reliable protection and performance in environments where power demand is high and equipment needs robust, standards-compliant safeguarding. Built for endurance, it's a preferred choice for professionals in industrial and commercial power systems.
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