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Chint NXB-63 1P C63 Miniature Circuit Breaker – 63A, 6kA Breaking Capacity, Type C Curve, Single Pole MCB for High-Capacity Circuit Protection
Chint NXB-63 1P C63 Miniature Circuit Breaker – 63A, 6kA Breaking Capacity, Type C Curve, Single Pole MCB for High-Capacity Circuit Protection
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Product Code: NXB-63-1P-C63
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 1 Pole (1P)
Rated Current: 63 Amperes (63A)
Tripping Curve: Type C
Breaking Capacity: 6kA
Compliance Standard: IEC/EN 60898-1
Mounting Method: DIN Rail
Product Overview
The Chint NXB-63 1P C63 MCB is the highest-rated current breaker in the NXB-63 single-pole series. With a 63A current rating and 6kA short-circuit breaking capacity, this circuit breaker is ideal for main feeders, sub-distribution panels, and circuits supplying large loads. The Type C tripping characteristic makes it particularly well-suited for applications with moderate inrush current—such as industrial equipment, large appliances, and backup power systems.
This breaker delivers maximum single-pole protection with precision, durability, and compliance with international electrical safety standards.
Key Features
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🔋 63A Rated Current – Provides maximum protection capacity in the NXB-63 1P range.
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⚡ 6kA Breaking Capacity – High fault current protection for demanding applications.
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🔄 Type C Tripping Curve – Allows for controlled protection of moderately inductive loads.
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🧲 DIN Rail Mounting – Fast and secure installation into standard enclosures.
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🏗️ Heavy-Duty Build – Engineered for commercial and light industrial performance.
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✅ Compliant with IEC/EN 60898-1 – Guaranteed safety and reliability.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Chint |
| Series | NXB-63 |
| Rated Current (In) | 63A |
| Voltage Rating (Ue) | 230/240V AC |
| Number of Poles | 1 Pole (1P) |
| 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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Main distribution circuits in residential and commercial buildings
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Submain feeds in electrical boards
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Generator and UPS output protection
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High-power tools and motor systems
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Industrial machinery with moderate startup currents
Why Choose Chint NXB-63 1P C63?
The NXB-63 1P C63 MCB offers the highest current protection available in Chint's single-pole miniature breaker lineup. Designed for heavy-duty single-phase circuits, this breaker ensures long-term durability and quick fault disconnection. Its certified performance and compact profile make it the go-to choice for professionals seeking maximum load protection in a trusted, standardized format.
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