What is the maximum short circuit breaking capability?

It reaches up to 120kA at 400V and 85kA at 690V depending on the rated frame current.

Is the operation manual required for installation?

Yes, the breaker must be installed according to the stipulations in the operation manual.

Dw45-6300 3p Acb Intelligent Drawer Type Air Circuit Breaker

Name: Dw45-6300 3p Acb Intelligent Drawer Type Air Circuit Breaker
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 718872332

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

US$2,000.00

10 Pieces

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

DW45-6300 CJW1

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

ACB

Poles Number

Type

Circuit Breaker

Function

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

Certification

ISO9001-2000, CE, CCC

Model

Cjw1

Standard

IEC60947-2

Rated Volage

660V (690V)

Rated Current

400A-6300A

Transport Package

Wooden Box

Specification

1000, 1600, 2000, 3200, 4000, 5000, 6300

Trademark

OEM

Origin

Wenzhou China

HS Code

853620000

Production Capacity

10000PCS/Month

Key features

Wide Rated Current Range: Available from 400A to 6300A to suit various distribution needs.

Intelligent Protection Functions: Features overload, short circuit, earth fault, and self-diagnostic capabilities.

Standard Compliance: Meets IEC 60947-2 and GB14048.2-2001 international safety standards.

Versatile Installation Options: Supports both fixed and draw-out mounting with motor or manual operation.

Advanced Communication Interface: Includes standard RS485 interface for network monitoring and data transfer.

High Breaking Capacity: Up to 120kA at 400V and 85kA at 690V for reliable fault interruption.

Robust Environmental Adaptability: Operates reliably in ships, humid tropical areas, and up to 2000m elevation.

Multi-Function Intelligent Controller: Offers H, M, and L types with adjustable protection curves and alarm functions.

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.