What is the maximum rated voltage?

The rated working voltage is 240/415V with an insulation voltage of 500V.

What is the mechanical life of the breaker?

The mechanical life is guaranteed for 20,000 operations.

How can I return a defective product?

Notify us within 10 days of delivery; the product must be returned in original condition for refund or exchange.

3ka Miniature Circuit Breaker (MCB) with CE CB Knb1-63

Name: 3ka Miniature Circuit Breaker (MCB) with CE CB Knb1-63
Brand: GAONENGGELE ELECTRICAL SHARES CO.,LTD.
SKU: 623647974

Zhejiang, ChinaGAONENGGELE ELECTRICAL SHARES CO.,LTD.

US$0.50

10,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

KNB1-63

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCB

Poles Number

1pole-4pole

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)

Certification

ISO9001-2000, CE, CB, CCC

Frame Class

63A

Rated Working Voltage

240/415V

Rated Frequency

50/60Hz

Rated Working Cuttent

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

Mechanical Life

20000

Electric Life

4000

Transport Package

Carton

Specification

240pcs/cnt

Trademark

korlen

Origin

China

HS Code

8532600000

Production Capacity

2000000PCS/Month

Key features

Wide Rated Current Range: Available in 1A to 63A with B, C, D release characteristics.

Multiple Pole Options: Supports 1P, 1P+N, 2P, 3P, 3P+N, and 4P configurations.

High Breaking Capacity: Rated breaking capacity up to 6000A for 6-40A models.

DIN Rail Mounting: Designed for easy installation on standard 35mm DIN rails.

Comprehensive Certifications: Certified by CE, CB, CCC, ISO9001, and other international standards.

Long Mechanical Life: Guaranteed mechanical life of 20,000 operations.

2-Year Warranty: Covers defects with return policy within 10 days of delivery.

Global Shipping Support: Shipped via sea or express couriers like UPS, DHL, FedEx worldwide.

Company profile

Experienced TeamSelf-brandedPatents AwardedExhibition Experience

GAONENGGELE ELECTRICAL SHARES CO.,LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, OtherExport Year: 2015-03-11Average Response Time: ≤9.80h

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.