Are the product characteristics adjustable during use?

No, the various characteristics and accessories are set by the manufacturer and cannot be adjusted arbitrarily during use.

What is the mechanical life of the CJM6Z-320 frame?

The mechanical life of the CJM6Z-320 frame is 15,000 operations.

Factory Cjm6z 320AMP 2p Electrical AC DC1000V MCCB Molded Case Circuit Breaker

Name: Factory Cjm6z 320AMP 2p Electrical AC DC1000V MCCB Molded Case Circuit Breaker
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2184043365

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

US$38.26

100 Pieces

Product specifications

CJM6Z-320 2P 1000VDC

Sample price:US$38.26/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

CJM6Z-320

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

MCCB

Poles Number

Type

Circuit Breaker

Certification

ISO9001-2000, CE

Standards

IEC60947-2

Number of Poles

2p/3p

Rated Insulation Voltage Ui(V)

8kv

Rated Voltage Ue(V)

DC500V/DC1000V/DC1500V

Transport Package

Normal Package

Specification

320, 400, 630, 800

Trademark

C&J and OEM

Origin

Wenzhou

HS Code

85362000

Production Capacity

100000/Month

Key features

High Breaking Capacity: AC models break up to 50kA at 800V; DC models break up to 20kA at 1500V.

Wide Voltage Range: Rated working voltage up to AC1150V and DC1500V for diverse applications.

Multiple Current Ratings: Available in 63A to 800A with 4 case sizes covering 320A, 400A, 630A, 800A.

Vacuum Arc Extinguishing: Utilizes vacuum medium for reliable short circuit protection and safety.

Flexible Installation: Can be installed horizontally or vertically in fixed mounting configurations.

Comprehensive Certifications: Certified under ISO9001-2000, CE, IEC 60947-2, and GB/T 14048.2 standards.

Long Mechanical Life: Mechanical life ranges from 5,000 to 15,000 operations depending on frame size.

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: ≤7.67h

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:What is the breaking capacity of the CJM6Z series?

The CJM6Z series DC molded case circuit breaker can break up to 20kA under DC 1500V voltage.

Q:What is the rated working voltage for the CJM6HU series?

The CJM6HU series AC moulded case circuit breaker has a rated working voltage up to AC1150V.

Q:Can the circuit breaker be installed vertically?

Yes, the entire series of circuit breakers can be installed horizontally (transverse) or vertically (upright).

Q:What is the warranty period for the product?

Under compliant storage and use conditions, the circuit breaker seal shall be intact within 24 months from the date of shipment. Manufacturing quality issues are covered by free replacement and repair.

Q:What standards do these breakers comply with?

The breakers comply with IEC 60947-1, GB/T14048.1, IEC 60947-2, and GB/T14048.2 standards.