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Miniature Circuit Breaker 4.5ka 63A CE Semko Knb1-63 3p
US$0.50
10,000 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Circuit BreakersOperation
Manual TypeModel NO.
KNB1-63Speed
Normal Type Circuit BreakerArc-extinguishing Medium
AirInstallation
FixedStructure
MCBPoles Number
1pole-4poleType
Circuit BreakerFunction
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)Certification
ISO9001-2000, CE, CB, CCCFrame Class
63ARated Working Voltage
240/415VRated Frequency
50/60HzRated Working Cuttent
1;3;6;10;16;20;25;32;40;50;63AMaking and Breaking Capacity
6000A(6-40A); 4500A(50-63A)Release Type
B,C,DMechanical Life
20000Electric Life
4000Transport Package
CartonSpecification
240pcs/cntTrademark
korlenOrigin
ChinaHS Code
8532600000Production Capacity
2000000PCS/MonthKey features
High Breaking Capacity: Rated breaking capacity up to 6000A for 6-40A and 4500A for 50-63A.
Wide Current Range: Available in rated currents from 1A to 63A including 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A.
Multiple Pole Options: Supports 1P, 1P+N, 2P, 3P, 3P+N, and 4P configurations.
Standard DIN Rail Mount: Designed for easy installation on 35mm standard DIN rails.
Comprehensive Protection: Protects against overload, short-circuit, and overvoltage in AC 50/60Hz systems.
International Certifications: Certified by CE, CB, CCC, ISO9001, and complies with IEC/EN60898 and GB10963.
Long Mechanical Life: Guaranteed mechanical life of 20,000 operations.
Flexible Release Types: Offers B, C, and D magnetic release characteristics for different load types.
Company profile
Business Type: Manufacturer/Factory, OtherExport Year: 2015-03-11Average Response Time: ≤10.99h
AI-Powered supplier vetting
SummaryKorlen Electric Appliances demonstrates established manufacturing and customization capabilities, operating 9 production lines and offering automated and semi-automated assembly and welding resources. It holds multiple management-system certifications, including ISO 9001, ISO 14001, and ISO 45001-related certification, as well as CCC and BSCI certifications. The supplier reports documented procedures for service capability, corrective actions, complaint handling, quality assurance, and raw-material traceability. It offers OEM and ODM services, flexible design customization, SDK availability, and has received one national science and technology progress award. However, it reports no overseas warehouse, showroom, agent, or branch, serves zero overseas countries according to the provided data, and had no new products in the past year. Customer evidence includes OEM service for popular brands and an 80%–100% repeat-buyer preference, but no Fortune 500 collaboration.
CertificationsKorlen reports ISO 9000/9001, ISO 14000/14001, OHSAS/OHSMS 18001, ISO 45001:2018, CCC, and BSCI certifications or capabilities. This provides explicit evidence of broad management-system, product-compliance, and social-responsibility certification coverage.
After-Sales capabilityThe supplier has written and followed procedures for service capability, corrective and preventive actions, and customer complaints, and reports quality assurance and raw-material traceability. However, it has no overseas warehouse, showroom, agent, or branch, so its documented service processes are stronger than its overseas physical-service coverage.
R&D capabilityThe supplier offers ODM, flexible customization, SDK availability, and reports one national science and technology progress award. Conversely, it states that no new products were developed in the past year and has only 2 R&D engineers, so the evidence supports some technical capability but not consistently strong recent innovation output.
Production capacityKorlen operates 9 production lines and lists fully automated and semi-automatic assembly and welding lines, laboratory equipment, cycle testing, environmental testing, and X-ray fluorescence analysis. It also reports lead times within 15 workdays in both peak and off-season, supporting a positive assessment of production infrastructure and stated delivery capacity.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization through both design and R&D services. This is direct evidence of broad customization capability.
Client casesThe supplier reports participation in the MATELEC offline trade show, OEM service for popular brands, and an 80%–100% preference among repeat buyers. It has not collaborated with Fortune 500 companies, and the provided data does not identify specific customer names or detailed project cases.
Product Q&A
Q:What is the warranty period for this product?
A:
We provide a 2-year warranty. If the product is defective, please notify us within 10 days of delivery.
Q:What are the rated voltage and frequency specifications?
A:
The rated working voltage is 240V/415V, and the rated frequency is 50/60Hz.
Q:Can this circuit breaker be used for frequent on-and-off operations?
A:
It is mainly used for infrequent on-and-off operations and changeover, not for frequent switching.
Q:What are the available rated currents?
A:
Rated currents range from 1A to 63A, including 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, and 63A.
Q:How is the product shipped?
A:
Normally shipped by sea from Ningbo/Shanghai worldwide. Small amounts can be shipped via UPS, DHL, FedEx, or TNT.
Send Inquiry
*To:
GAONENGGELE ELECTRICAL SHARES CO.,LTD.
GAONENGGELE ELECTRICAL SHARES CO.,LTD.*Content:
Supplier replies will be sent to your registered email
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