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KNB2-63 S2 MCB(Miniature Circuit Breaker)Components

The KNB2-63 S2 miniature circuit breaker has a case current (frame current) of 63A, a rated current of 6A, and a rated voltage of 240V/415V AC.
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  • Parts

  • HAIPART

HAIPART Low-Voltage MCB Parts: Professional Manufacturing, Safeguarding Power Distribution System Safety


In low-voltage electrical distribution systems, MCBs (Miniature Circuit Breakers) serve as core protection devices, and their performance and reliability directly affect the safe operation of the entire system. As a professional manufacturer of low-voltage MCB components, HAIPART utilizes high-quality materials and precision manufacturing processes to produce high-performance, high-reliability MCB assemblies, providing excellent breaking capacity and stability for industrial, commercial, and residential power distribution systems.


Why Choose HAIPART MCB Parts?


✅ Space-Optimized Design: 18mm Ultra-Thin Housing, the Perfect Partner for Compact Distribution Boxes

HAIPART's MCB assemblies feature an 18mm ultra-thin housing design, perfectly adapting to space-constrained distribution boxes. This compact MCB component design not only saves installation space but also makes the power distribution system more flexible, meeting the needs of modern buildings for miniaturized power distribution equipment. Whether in industrial plants or commercial buildings, HAIPART's MCB parts can be easily integrated, improving the overall efficiency of the power distribution system.


✅ Intelligent Thermal Management Technology: Bimetallic Strip Nonlinear Compensation for Precise Temperature Control

HAIPART's MCB components employ bimetallic strip nonlinear compensation technology, ensuring temperature monitoring accuracy of ±2°C. This intelligent thermal management technology can quickly respond to overload or short-circuit conditions, minimizing the risk of equipment damage. Through precise temperature control, HAIPART's MCB accessories avoid false tripping, ensuring continuous circuit operation, especially suitable for high-load or temperature-fluctuating environments.


✅ Innovative Arc Control: Labyrinth Arc-Extinguishing Grid Design for Rapid Hazard Elimination

HAIPART's MCB components utilize a labyrinth arc-exting grid design, reducing arc duration to ≤3 milliseconds. This highly efficient arc-exting design significantly reduces arc energy, improving equipment safety. Simultaneously, the labyrinth arc-exting grid structure effectively inhibits arc corrosion, extending the lifespan of the MCB components and reducing maintenance costs. Whether in frequent switching or high-current applications, HAIPART's MCB components ensure long-term stable operation.


Application Scenarios:

Industrial, Commercial, and Residential Power Distribution Systems.


HAIPART's MCB parts are widely used in industrial, commercial, and residential power distribution systems. In the industrial sector, MCB components can withstand high loads and harsh environments, ensuring the stable operation of production equipment. In the commercial sector, MCB components provide safe and reliable power for shopping malls, hotels, and other venues. In the residential sector, MCB components safeguard the electrical safety of countless households, making life more secure.


Get a Quote


Contact HAIPART

+86-13819777367

Sales@haipart.com

Specifications
KNB2-63 S2
Rated current
6A‌-63A
Rated voltage
240V/415V AC‌
Breaking capacity‌
4.5KA-6KA
Pole number
1P
2P
3P
4P
Mechanical life
20000 times
Electrical life
8000 times
Width
18
36
54
72mm
HS Code
8536200000
Transport Package
Paper Box
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