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Chint NXB-63 3P C20 Miniature Circuit Breaker – 20A, 6kA Breaking Capacity, Type C Curve, 3 Pole MCB for Safe Three-Phase Load Protection
Chint NXB-63 3P C20 Miniature Circuit Breaker – 20A, 6kA Breaking Capacity, Type C Curve, 3 Pole MCB for Safe Three-Phase Load Protection
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Product Code: NXB-63-3P-C20
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 3 Pole (3P)
Rated Current: 20 Amperes (20A)
Tripping Curve: Type C
Breaking Capacity: 6kA
Compliance Standard: IEC/EN 60898-1
Installation Type: DIN Rail Mounting
Product Overview
The Chint NXB-63 3P C20 MCB is a three-pole circuit breaker built to provide effective protection for balanced three-phase circuits in industrial, commercial, or workshop environments. With a 20A current rating and a Type C tripping characteristic, it is perfect for circuits with moderate inrush currents — such as small motors, compressors, or industrial lighting setups.
Rated at 6kA short-circuit capacity, this MCB ensures the fast and safe disconnection of power during fault conditions, preventing damage to your equipment and installations.
Key Features
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🔧 20A Rated Current – Ideal for light-to-medium duty three-phase loads.
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⚡ 6kA Breaking Capacity – Reliable protection from short circuits and electrical faults.
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🔄 Type C Tripping Curve – Withstands moderate inrush currents from motors or inductive loads.
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🔌 Three-Phase Protection (3P) – Simultaneous isolation of all three conductors.
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🧲 DIN Rail Mounted – Easy installation in any standard panel board.
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✅ IEC/EN 60898-1 Compliant – Meets international electrical safety and performance standards.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Chint |
| Series | NXB-63 |
| Rated Current (In) | 20A |
| 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 |
| Compliance Standard | IEC/EN 60898-1 |
Typical Applications
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Industrial control panel protection
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Small three-phase motors and machinery
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Workshop distribution boards
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Balanced lighting or HVAC circuits
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Power distribution in commercial buildings
Why Choose Chint NXB-63 3P C20?
The NXB-63 3P C20 provides durable, dependable protection for three-phase systems, combining Chint’s global quality reputation with compact DIN rail installation and reliable Type C performance. Ideal for small to mid-range industrial setups where consistent power and safety are non-negotiable.
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