What is the electrical life of the breaker?

The electrical life ranges from 3000 to 5000 operations depending on the specific model.

Is the product compliant with IEC standards?

Yes, it complies with IEC60947-1 and IEC60947-2 standards.

Original Supplier 250A 20ka Molded Case Circuit Breaker MCCB for Three Phase Power Distribution

Name: Original Supplier 250A 20ka Molded Case Circuit Breaker MCCB for Three Phase Power Distribution
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2279177375

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

US$18.78

50 Pieces

Sample price:US$18.78/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

CJMM3-250L/3300 Adjustable type

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

MCCB

Poles Number

Type

Circuit Breaker

Function

Circuit-Breaker Failure Protection

Certification

ISO9001-2000, CE

Standards

IEC60947-2

Release Type

Single Magnetic Type, Thermal Magnetic Type

Number of Poles

Rated Operating Voltage

400/415V, 690V

Transport Package

Normal Package

Specification

125A, 160A, 250A, 400A, 630A

Trademark

C&J and OEM

Origin

Wenzhou

HS Code

85362000

Production Capacity

100000/Month

Key features

High Breaking Capacity: Offers breaking capacities ranging from 20kA to 75kA for various frame grades.

Wide Voltage Range: Rated working voltage supports 400/415V and 690V AC applications.

Adjustable Protection Settings: Features optional adjustable overload and short-circuit tripping currents.

Multiple Installation Options: Supports fixed, plug-in, and drawer installation methods for flexibility.

Comprehensive Certifications: Certified with ISO9001-2000 and CE standards for quality assurance.

Durable Electrical Life: Provides 3000 to 5000 electrical operations depending on the frame size.

IP40 Protection Rating: Front side protection rated IP40 against solid objects and dust.

IEC Standard Compliance: Designed according to IEC60947-1 and IEC60947-2 international standards.

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: ≤7.54h

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.