What is the rated working voltage?

The rated working voltage is below 690V with rated insulating voltage of 750V.

Does the product support customization?

Please make remarks when ordering for 60Hz frequency as standard is 50Hz.

MCCB Moulded Case Circuit Breaker Winc Series

Name: MCCB Moulded Case Circuit Breaker Winc Series
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 800034675

Zhejiang, ChinaZhejiang C&J Electrical Holding Co., Ltd.

US$30.00

100 Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

WINC Series

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

MCCB

Poles Number

Type

Circuit Breaker

Function

Overcurrent Protection

Certification

ISO9001-2000, CE

Transport Package

Normal Package

Specification

63, 100, 225, 400, 630, 800, 1250, 1600

Trademark

C&J

Origin

Wenzhou

HS Code

85362000

Production Capacity

100000/Year

Key features

Three-Stage Protection: Provides overloading indication, system self-examine, and adjustable short delay action.

Intelligent Current Adjustment: Rated current initialization and short delay action multiple can be adjusted exactly.

Energy Efficient Design: Does not use bimetal, reducing energy wasting compared to traditional heating release breakers.

Wide Voltage Range: Suitable for AC 50Hz/60Hz, rated insulating voltage 750V, and working voltage below 690V.

High Current Capacity: Rated current ranges from 16A to 1250A for distributing electric energy.

Motor Protection Capability: Protects squirrel cage motors from over-load, short circuit, and under-voltage.

Vacuum Arc Extinguishing: Utilizes vacuum medium for efficient arc extinguishing in the circuit breaker.

ISO and CE Certified: Product meets ISO9001-2000 quality standards and holds CE certification.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-02-26Average Response Time: ≤6.99h

AI-Powered supplier vetting

SummaryZhejiang C&J Electrical Holding Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It produces circuit breakers, inverters, and related electrical products, with three production lines, 6–10 quality-control staff, and stated annual miniature circuit-breaker output of 10,000,000 pieces. The supplier reports ISO 9001 management-system certification and describes CE/CB certification coverage, while an SGS audit record is valid from July 23, 2025 to July 22, 2026; the audit result is recorded as “0,” but its meaning is not defined. The company states that it serves more than 50 countries and regions and that exports represent 41%–50% of sales. It reports 50 years of combined R&D engineer experience and product intellectual-property and design-patent ownership. Evidence is insufficient to verify after-sales services, financial credibility, OEM/ODM customization, or named customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, operates as a limited company in Zhejiang, China, and describes integrated R&D, production, sales, and electrical-product manufacturing activities.

CertificationsThe supplier reports ISO 9001 certification and states that its products undergo CE, CB, and other certification systems. An SGS audit record is listed as active from July 23, 2025 to July 22, 2026, although the recorded audit result “0” is not explained in the provided data.

R&D capabilityThe company states that inverter technology development is a core activity, maintains R&D and production functions, reports 50 years of total R&D-engineer experience, and claims intellectual-property and design-patent ownership. Specific recent product-launch data and detailed R&D service capabilities remain unknown.

Production capacityThe supplier reports precise manufacturing and testing facilities, three production lines, 6–10 quality-control staff, and annual miniature circuit-breaker output of 10,000,000 pieces. It also identifies manufacturing of circuit breakers, leakage breakers, molded-case breakers, and inverters, supporting a demonstrated production capability.

Product Q&A

Q:Are you a trading company or manufacturer?

We are professional manufacturer for low-voltage circuit breaker series products, Integrates research and development, manufacturing, processing and trade departments together. also we supply of different electrical and electronic items

Q:Why should I choose your company?

more than 20years of professional teams will give you good quality products ,good service ,and reasonable price

Q:Is the MOQ fixed?

The MOQ is flexible and we accept small order as trial order.

Q:What is the rated current range?

The rated current is 16A to 1250A for distributing electric energy.

Q:Can the breaker be used for motor protection?

Yes, it can be used for infrequently switching and starting of squirrel cage motor and for protecting motor from over-load, short circuit and under-voltage.