What is the breaking capacity type classification?

It is classified into standard type (Type S) and higher breaking capacity type (Type H) based on breaking capacity.

What is the maximum rated current for this series?

The rated operation current ranges from 10A to 630A, with frame sizes available up to 630A.

Cjmm3e Series 400V 250AMP Adjustable Moulded Case Circuit Breaker MCCB

Name: Cjmm3e Series 400V 250AMP Adjustable Moulded Case Circuit Breaker MCCB
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2047200325

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

US$20.00

100 Pieces

Sample price:US$8.20/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

CJMM3E-250M/3300

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

MCCB

Poles Number

1,2,3,4

Type

Circuit Breaker

Certification

ISO9001-2000, CE, CCC

Dielectric Property

2500,3000V

Rated Operatomg Voltage Ue

230,400V

Rated Current of Frame Size Inm

63,160,200,250L

Rated Insulation Voltage Ui

400,500,690V

Standards

IEC60947-2

Transport Package

Normal Package

Specification

63, 100, 160, 225, 400, 630, 800A

Trademark

GSM

Origin

Wenzhou

HS Code

85362000

Production Capacity

35ka

Key features

High Breaking Capacity: Offers standard (S) and high breaking capacity (H) types for robust circuit protection.

Versatile Installation: Supports vertical, horizontal, front board, back board, and plugin connections.

Wide Application Range: Suitable for AC 50/60Hz networks with rated voltages up to 800V and currents up to 630A.

Multiple Protection Functions: Protects against overload, short circuit, under voltage, and allows infrequent motor starting.

Customizable Accessories: Compatible with alarm contacts, shunt releases, auxiliary contacts, and under voltage releases.

Compact Design: Features small volume and short arcing time for efficient space utilization and safety.

Certified Quality: Complies with IEC60947-2 standards and holds ISO9001, CE, and CCC certifications.

Flexible Pole Options: Available in 1P, 2P, 3P, and 4P configurations to suit various circuit requirements.

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: ≤6.77h

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.