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High Capacity Cjm1-400L/4300 4p 400A Industrial Low Voltage MCCB Moulded Case Circuit Breaker
US$20.00
100 Pieces
Sample price:US$8.20/piece.Request sample
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Circuit BreakersOperation
Electric TypeModel NO.
CJM1-400L/4300Speed
Normal Type Circuit BreakerArc-extinguishing Medium
VacuumInstallation
FixedStructure
MCCBPoles Number
1,2,3,4Type
Circuit BreakerCertification
ISO9001-2000, CE, CCCDielectric Property
2500,3000VRated Operatomg Voltage Ue
230,400VRated Current of Frame Size Inm
63,160,200,250LRated Insulation Voltage Ui
400,500,690VStandards
IEC60947-2Transport Package
Normal PackageSpecification
63, 100, 160, 225, 400, 630, 800ATrademark
C&JOrigin
WenzhouHS Code
85362000Production Capacity
35kaKey features
High Breaking Capacity: Offers up to 65kA breaking capacity for reliable protection against short circuits.
Wide Voltage Range: Supports rated operation voltages up to 690V and insulation up to 800V.
Multiple Installation Modes: Allows vertical, horizontal, front board, back board, or plugin type installation.
Comprehensive Protection: Protects against overload, short circuit, under voltage, and infrequent motor starts.
Rich Accessory Options: Compatible with alarm contacts, shunt releases, auxiliary contacts, and under voltage releases.
Certified Quality: Meets IEC60947-2 standards with ISO9001, CE, and CCC certifications.
Flexible Pole Configurations: Available in 1P, 2P, 3P, and 4P configurations to suit various circuit needs.
Compact Design: Small volume with high breaking capacity, ideal for space-constrained applications.
Company profile
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 rated breaking capacity of this MCCB?
A:
The breaking capacity varies by model, ranging from 10kA to 65kA depending on the specific series (S or H type) and current rating.
Q:What protection functions does this circuit breaker provide?
A:
It provides protection against overload, short circuit, and under voltage, and can also be used for infrequent motor starting.
Q:Can this breaker be customized with accessories?
A:
Yes, it supports various accessories including alarm contacts, shunt releases, auxiliary contacts, and under voltage releases.
Q:What are the installation options for this device?
A:
It can be installed vertically or horizontally, and supports front board, back board, or plugin type connections.
Q:What standards and certifications does it meet?
A:
The product complies with IEC60947-2 and holds ISO9001, CE, and CCC certifications.
Send Inquiry
*To:
Zhejiang C&J Electrical Holding Co., Ltd.
Zhejiang C&J Electrical Holding Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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