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4320kvar 1.2s Heating Element Conduction Cooled Capacitor for Melting Furnace
US$10.00-50.00
10 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableType
Polypropylene CapacitorApplication
General Purpose, PowerModel NO.
Rfm1.8-4320kva-1.2sPackaging Type
Surface MountCapacitance
50-100ufStructure
Fixed CapacitorManufacturing Material
PolypropyleneElectrolyte
ElectrolyticUsage
Low Frequency Coupling, Tuning, Filter, Low Frequency BypassTuning
Polystyrene CapacitorFilter
Composite Paper CapacitorCompensate
Reactive EnergyPower Transformer
Prove Transmission Power FactorCase
Rectangle Aluminum Alloy ShellCooling Type
Water Cooled TubeFilm Material
Coarsened Polypropylene FilmComposite Medium
High Performance LiquidFrequency
Less Than 50kHzVoltage
Less Than 3.6kvTransport Package
WoodenSpecification
CE RohsTrademark
OEMOrigin
Liushi, Yueqing, Zhejiang Province, ChinaHS Code
85321000Production Capacity
100000PCS/ MonthKey features
High Efficiency Capacitor: Designed for high frequency systems to increase power factor and improve circuit characteristics.
Robust Construction: Features a rectangle aluminum alloy shell with coarsened polypropylene film and high purity aluminum foil.
Effective Cooling: Utilizes water-cooled tube technology to ensure stable performance in high temperature environments.
Wide Application: Suitable for high frequency induction heating, melting, and casting equipment.
High Voltage Rating: Rated voltage less than 3.6 kV and frequency less than 50 kHz for versatile industrial use.
Reactive Energy Compensation: Proves transmission power factor and compensates for reactive energy in power systems.
Durable Materials: Uses high performance liquid composite medium and coarsened polypropylene film for longevity.
Customizable Options: Offers customized case, cooling type, film material, and composite medium to meet specific needs.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-10-01Nearest Port: NINGBO, SHANGHAI, QINGDAOAverage Response Time: ≤10.79hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF, DDP, EXW
AI-Powered supplier vetting
SummaryWenzhou Junke Electric Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. Established in 1992, it states that it conducts R&D, manufacturing, distribution, sales, and customer support for low- and high-voltage switchgear and related electrical products. The supplier reports ISO 9001 and ISO 14001 certifications, 6–10 R&D engineers, 11–20 quality-control staff, and 10 production lines. Its listed annual product capacities range from 100,000 to 150,000 pieces across several product categories, and it exports to multiple regions, with exports representing 41%–50% of total sales. It claims to provide customized solutions and close customer service, but the available evidence does not independently verify service performance, customization outcomes, financial strength, or a broad customer portfolio. Recent trade records show transactions with buyers in the Philippines and Sri Lanka.
Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, with its own R&D, production, sales, and customer-support facilities. Its product portfolio covers electrical equipment such as automatic transfer switches, circuit breakers, meters, capacitors, and distribution panels.
CertificationsThe supplier reports ISO 9001 and ISO 14001 management-system certifications and states that some products have been approved by CE and IEC certificates. The evidence supports certification holding, although it does not provide certificate numbers, validity dates, or coverage details.
R&D capabilityThe company states that it specializes in research and design and maintains its own R&D facilities, with 6–10 years of total R&D-engineer experience reported. This supports an established product-development function, but no patents, new-product records, testing programs, or R&D achievements are provided.
Production capacityThe supplier reports its own manufacturing facilities, 10 production lines, and stated capacities of 100,000 pieces for automatic transfer switches and power capacitors, 150,000 pieces for meter sockets/meters, and 110,000 pieces each for soft starters/inverters and circuit breakers. It also reports 11–20 quality-control staff, indicating substantial stated production and quality resources.
Customization capabilityThe company explicitly describes its service as designing, manufacturing, and delivering customized solutions, and says it can help clients research electrical sources for panels. The evidence confirms a stated customization offering, though it does not provide specific customized projects, engineering scope, or delivery examples.
Client casesThe supplier identifies export markets across South America, the Middle East, Southeast Asia, Eastern Asia, Oceania, and Africa, and reports export activity beginning in 2010. Trade records show transactions involving ENEX ELECTRIC PHILS INC in the Philippines and MICRO POWER ENGINEERING PVT LTD in Sri Lanka, but the records shown are limited to individual transactions and do not establish a broad or independently verified customer track record.
Product Q&A
Q:What is the primary application of this capacitor?
A:
It is mainly used in high frequency induction heating equipment to increase power factor or improve circuit characteristics, and also in melting and casting equipment.
Q:What are the key materials used in the construction?
A:
The capacitor uses coarsened polypropylene film immersed in high performance liquid as composite medium and high purity aluminium foil as electrodes, housed in a rectangle aluminum alloy shell.
Q:What is the rated voltage and frequency range?
A:
The rated voltage is less than 3.6 kV and the frequency is less than 50 kHz.
Q:How is the capacitor cooled?
A:
It features a water-cooled tube design to manage heat effectively during operation.
Q:Can the product specifications be customized?
A:
Yes, customization is available for the case, cooling type, film material, composite medium, frequency, and voltage to suit specific requirements.
Send Inquiry
*To:
WENZHOU JUNKE ELECTRIC CO., LTD.
WENZHOU JUNKE ELECTRIC CO., LTD.*Content:
Supplier replies will be sent to your registered email
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