KNB1-63 series Circuit Breaker is used in lighting distribution system or motor distribution system for protection overload and short-circuit in the system.The product is neoteric in structure, light in weight, reliable and excellent in performance.It has high breaking capacity, can trip quickly, and its case and items are adopted by high fire-resistant and shockproof plastics.The product, with long life, is mainly used in AC 50Hz/60Hz single pole 240V or two, three, four pole 415V circuit for overload and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit in normal case.The products comply with IEC 60898.
Miniature Circuit Breaker
Electronics Miniature Circuits Breaker
Automatic Miniature Circuit Breaker
Mini Circuit Breaker
MCB
Wenzhou korlen electric appliances co.,ltd. is a joint venture which began in the mid 80`s. The company is a manufacturer of electrical devices. Our product line includes Circuit Breakers such as; MCB, MCCB RCCB and RCBO. We are also into AC Contactors and Relays and all forms of LED bulbs. Our production activities range from Product Development, Product Design, Assembling, Packaging and Delivery to our customers. The company owns import and export power of self-run, connecting our buyers globally stretching from China and expanding to Europe, North and South America, Middle East, Southeast Asia and Africa.
The company has well experienced workforce, ranging from senior engineers and technicians to factory workers which constitutes a total population of 1,500 workers. The company covers an area of more than 50 acres of land. Construction site is more than 38000 square meters of the modern industrial zone. Korlen is equipped with modern sophisticated laboratory with high standard examination equipment. Due to our strict compliance in accordance with every country`s electric coding system, the company has managed to obtain more than 20 national patents including other accredited international certificates. This makes Korlen a standout in producing electrica protective devices among its competitors.
This has led to the acquisition of 30 strong eminent enterprises including top ten of export income, Yueqing star class enterprise, title of honor for many times among others. In the area of customer care, we attach a great deal of importance to all binding contracts and we always make sure the company`s promise are fulfilled on time. The company also produces on the merits of CE, IEC, ISO 9001 management system verification and 14001 environments management system verification.
All the our products have passed the test of quality verification of domestic and international authority organization like the CB, SEMKO, NF, SIRIM, SNI, CE, PCT and TSE, High breaking capacity breaker of our company earned us [Yueqing Famous Brand Product" by The Yueqing People`s Government. Korlen electric appliances is willing to join hands with individuals, corporate entities, and the general public at large in changing and developing the world for a prosperous society and a brighter future.
Basic specification and main parameters
| Frame class | 63A |
| Rated working voltage | 240V/415V |
| Rated frequency | 50/60Hz |
| Rated working current | 1.3.6.10.16.20.25.32.40.50.63A |
| Making and breaking capacity | 6000A(6~40A),4500A(50.63A) |
| Release type | B.C.D |
| Poles | 1.2.3.4P |
| Mechanical life | 20000 |
| Electric life | 4000 |
The over-current tripping unit protection feature
| Sequence
NO . | Release | Test
current I/In | Start state | Tripping
time | Expected
restlt |
| 1 | B.C.D | 1.13In | Cold state | t≤1h | Not tripping |
| 2 | B.C.D | 1.45In | Start right after
the serial NO .
1 test | t＜1h | Tripping |
| 3 | B.C.D | 2.55In | Cold state | 1s＜t＜60s | Tripping |
| 4 | B
C
D | 3In
5In
10In | Cold state | t≤0.1s | Not tripping |
| 5 | B
C
D | 5In
10In
20In | Cold state | t＜0.1s | Tripping |
Product Categories : Miniature Circuit Breaker > KNB1-63 Miniature Circuit Breaker
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