New Type MCB 1A-63A Miniature Circuit Breaker 7.5ka/10ka with RoHS CE CB
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Product Highlights
- High Breaking Capacity: Capable of handling up to 10000A making and breaking capacity for reliable protection.
- Wide Current Range: Available in rated working currents from 6A to 63A to suit various needs.
- Multiple Pole Options: Supports 1, 2, 3, and 4-pole configurations for flexible installation.
- DIN Rail Installation: Designed for standard DIN rail mounting for convenient and easy usage.
- Comprehensive Protection: Provides overload and short-circuit protection for AC 50/60Hz lines.
- International Certifications: Certified by CE, CB, CCC, ISO9001, and ISO14001 standards.
- Long Mechanical Life: Ensures durability with a mechanical life of up to 10000 operations.
- Patented Technology: Features patented product design with advanced engineering.
Product Attributes
- Customization
- Available
- Breaking Capacity
- Low Voltage Circuit Breakers
- Operation
- Manual Type
- Model NO.
- KNB2-63/S3
- Speed
- High-Speed Circuit Breaker
- Arc-extinguishing Medium
- Air
- Installation
- DIN Rail
- Structure
- MCB
- Poles Number
- 1, 2, 3, 4p
- Type
- Circuit Breaker
- Function
- Circuit-Breaker Failure Protection, Overcurrent Protection
- Certification
- ISO9001-2000, CE, CB, CCC
- Frame
- 63A
- Rated Working Voltage
- 240/415V
- Rated Frequency
- 50/60Hz
- Rated Working Current
- 6, 10, 16, 20, 25, 32, 40, 50, 63A
- Release Type
- B C D
- Poles
- 1, 2, 3, 4p
- Mechanical Life
- 10000
- Electric Life
- 4000
- ISO
- ISO9001 ISO14001
- Patented
- Patented Product
- Transport Package
- Carton
- Specification
- CE; ROHS; CCC
- Trademark
- KORLEN
- Origin
- Wenzhou; Zhejiang; China
- HS Code
- 8536200000
- Production Capacity
- 200000PCS/Month
Product Images of New Type MCB 1A-63A Miniature Circuit Breaker 7.5ka/10ka with RoHS CE CB
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Product Description
Sphere of application
KNB2-63 High-breaking Miniature Circuit Breaker is nice in appearance, reasonable in structure, sound in feature and high in breaking capacity. Installed with standard din rail, it is convenient and easy in usage. It is mainly used in the line of AC 50/60Hz, rated working voltage to 415V, and rated current to 63A as protection against overload and short-circuit. It can be used as infrequent on-and-off operation and changeover.
It complies with standard of GB10963 and IEC/EN60898.
| Frame class | 63A |
| Rated working voltage | 240V/415V |
| Rated frequency | 50/60Hz |
| Rated working current | 6,10,16,20,25,32,40,50,63A |
| Making and breaking capacity | 10000A |
| Release type | B,C.D |
| Poles | 1,2,3,4P |
| Mechanical life | 10000 |
| Electric life | 4000 |






Company Introduction
Wenzhou Korlen Electric Appliances Co., Ltd, It is a joint venture. My company is a manufacturer including design, development, produce and sale, professional producing MCB, MCCB, RCCB and AC contactor etc. Product enterprises. The company owns import and export power of self-run, expanding Europe and America, Middle East, Southeast Asia etc. Market, set a good Public praise.
The company have more than 1500 workers, including senior engineer among them, engineer at inside of more than 100 technician. And then set up to cover area more than 50 acres, construct area is more than 38000 square meters of the modern industrial zone, providing with the forerunner's standard laboratory and various examination equipments.
Under Korlen people to make great effort unremittingly, designed and developed by oneself, develop and produce the series of MCB, RCCB filled up local blank, attain inter-national advanced level, and acquire more than 20 national patents. The company acquires "30 strong eminent enterprises, top ten of export income, yueqing star class enterprise, attach importance to contract and keeps promise" title of honor for many times past years. Company still the initiative pass ISO 9001 management system verification and 14001 environments management system verification. Our product passed quality verification of domestic and international authority organization like the CB\ SEMKO\ NF\ SIRIM\ SNI\ CE \PCT\ TSE, In the meantime high breaking capacity breaker of our company in this city is the unique product which got " Yueqing famous brand product" by Yueqing people government.
Korlen Electric Appliances is willing to make friends with social public, the world outside businessman join hands together for prosperous society and development to build a brighter future.
Certificates
Factory Lines

About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2531535". Items marked "" are certified.
Company Profile
Wenzhou Korlen Electric Appliances Co., Ltd, It is a joint venture. My company is a manufacturer including design, development, produce and sale, professional producing MCB, MCCB, RCCB and AC contactor etc. Product enterprises. The company owns import and export power of self-run, expanding Europe and America, Middle East, Southeast Asia etc. Market, set a good Public praise.
The company have more than 1500 workers, including senior engineer among them, engineer at inside of more than 100 technician. And then set up to cover area more than 50 acres, construct area is more than 38000 square meters of the modern industrial zone, providing with the forerunner's standard laboratory and various examination equipments.
Under Korlen people to make great effort unremittingly, designed and developed by oneself, develop and produce the series of MCB, RCCB filled up local blank, attain inter-national advanced level, and acquire more than 20 national patents. The company acquires "30 strong eminent enterprises, top ten of export income, yueqing star class enterprise, attach importance to contract and keeps promise" title of honor for many times past years. Company still the initiative pass ISO 9001 management system verification and 14001 environments management system verification. Our product passed quality verification of domestic and international authority organization like the CB\ SEMKO\ NF\ SIRIM\ SNI\ CE \PCT\ TSE, In the meantime high breaking capacity breaker of our company in this city is the unique product which got " Yueqing famous brand product" by Yueqing people government.
Korlen Electric Appliances is willing to make friends with social public, the world outside businessman join hands together for prosperous society and development to build a brighter future.
About Our Factory & Business Background
- Address
- 258 Wei 20 Road, Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province
Our Production Capability & Technical Expertise
- Main Products
- Mini Circuit Breaker, RCBO, RCCB, MCCB, Contactor
Our Industry Experience & Global Business Record
- Export Year
- 2015-03-11
FAQ
- What is the rated working voltage?
- The rated working voltage is 240V/415V.
- What is the breaking capacity of this MCB?
- It has a high breaking capacity of 10000A.
- Does this product support different pole numbers?
- Yes, it supports 1, 2, 3, and 4-pole options.
- What certifications does the product have?
- It holds CE, CB, CCC, ISO9001, and ISO14001 certifications.
- What is the mechanical life of the breaker?
- The mechanical life is 10000 operations.
- Is the product suitable for frequent operation?
- It is designed for infrequent on-and-off operation and changeover.
- What standards does the product comply with?
- It complies with GB10963 and IEC/EN60898 standards.
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