Jinhua Dika Electrical Equipment Co., Ltd.
1Yr
Business License
Main Products: transformer, High and low voltage complete cabinet, Circuit breaker, Electrical accessories
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All Articles
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System scheme and primary structure of American standard medium and low voltage switchgear
July 1, 2026The system scheme for power distribution comprehensively reflects the direction of power flow, current distribution, short-circuit
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IEC 17.5kV switchgear Guzhou Weng will speak on electrical June 28, 2026 05:03 2 people
June 30, 202617.5kV is the IEC standard voltage level, applied in power systems with voltages of 13.2/13.8/15kV. IEC 17.5kV metal enclosed swit
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Design points of customized switchgear
June 30, 2026With the increasing demand for new energy and data centers, in addition to standardized products, there is a need for a large numb
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Marine low-voltage switchgear
June 30, 2026Marine low-voltage switchgear needs to meet the special requirements of ship application systems, environments, etc., and develop
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Customization of American standard medium voltage switchgear
June 25, 2026Domestic complete set manufacturers have become accustomed to buying ready-made cabinets for switchgear, which can be completed by
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The problem of solid insulation
June 25, 2026For solid insulation, we sometimes rely heavily on it, thinking that with solid insulation, we can easily meet insulation requirem
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Mid mounted and floor mounted 38/40.5kV switchgear
June 14, 2026The development trend of switchgear is miniaturization, intelligence, and low carbonization. The development of new technologies,
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Selection of internal arc test points for low-voltage switchgear
June 14, 2026According to the guidance of the national standard GB/T 18859-2016 (equivalent to IEC/TR61641), the ignition point for the interna
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American standard 38kV 4000A switchgear
June 14, 2026For application scenarios such as electric arc furnace switchgear, wind farm switchgear, distribution switchgear, and fixed circui
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Anti internal arc design of low-voltage switchgear
June 11, 2026Have you ever assessed the severity and probability of arc flash hazards? Will high arc flash incident energy damage your equipmen
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Avoiding internal arc explosions in data center power distribution
June 11, 2026The data center power module, medium and low voltage switchgear, transformers, and UPS are concentrated inside a container. If an
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Insulation test of circuit breaker cabinet
June 11, 2026Whether it is a circuit breaker or a grounding switch, they can pass the insulation withstand voltage test separately, but once th
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Addition of foreign projects
June 1, 2026Foreign projects require mechanical key interlocking, and foreign customers have relatively high safety requirements. In addition
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Typical layout of American standard 27/38kV switchgear
June 1, 2026Different switch cabinet standards and application habits result in different layout of the system's primary scheme. For conve
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Subtraction of foreign projects
May 29, 2026Mobile payment is not popular abroad. Chinese people value simplicity and convenience, while foreigners value safety and reliabili
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Grounding switch for GE switchgear SECOGEAR
May 28, 2026The GE SECOGEAR series medium voltage armored switchgear adopts JNH1/4 type grounding switch from domestic 12/24/40.5kV to IEC 17.
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Internal arc pressure release of multi-layer cabinets
May 28, 2026The demand for double-layer circuit breaker switchgear and three-layer circuit breaker switchgear in the industrial field has neve
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French Bouchon Power Plant for Foreign Projects
May 18, 2026Prefabricated cabin switch stations are widely used abroad, especially in load application places such as factories and commercial
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Design of IEC 17.5kV switchgear
May 18, 202617.5kV is the voltage level of rated voltage sequence 1 in IEC62271-1 standard, generally used in power systems with nominal volta
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Basic knowledge of transformers
May 16, 2026Transformers are important electrical equipment in the transmission, transformation, and distribution process of power systems. Wh
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Ultra practical multimeter usage guide
May 16, 2026Today, I have compiled a highly practical guide for using a multimeter. From preparation and measurement essentials to safety tabo
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North American low-voltage switchgear
May 15, 2026There are two main types of low-voltage switchgear in North America. One is power switchgear, with the standard IEEE C37.20.1/UL15
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Copper Bar Design - Summary Chapter
May 15, 2026The design of copper bars in switchgear is a systematic project, and it cannot be simply said that the selection of copper bars ba
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Structural Design of Medium Voltage Switchgear
May 14, 2026Structural Design of Medium Voltage SwitchgearBasic requirements, should know and be able to:Insulation distance, including electr
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Why do some "ring main unit gas boxes" have observation windows while others do not? What is their f
May 14, 2026The observation window on the gas box of the ring main unit is a common design, mainly used to facilitate operators to observe the
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Basic knowledge of secondary grounding for current transformers and voltage transformers
April 24, 20261、 The 'fatal' hazard of current transformers: open circuit on the secondary sideIn the vast context of the power system,
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Why do 99% of CT scans use depolarization?
April 24, 2026As the "eyes" of the power system, the polarity determination of current transformers (CTs) can be regarded as a fundame
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The open circuit on the secondary side of the current transformer is a danger you wouldn't even thin
April 23, 2026In electrical work, current transformers play a crucial role, but there is an iron rule that must be remembered - their secondary
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Intermediate cabinet circuit breaker transfer handcart
April 23, 2026Whether it is a medium voltage mid mounted cabinet, a double-layer cabinet, or a high current low-voltage switchgear, the circuit
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What protections are generally configured for transformers? What are their respective functions
April 22, 20261、 Main protection: Instantaneous removal of core faults (first line of defense)The main protection is the "first responder&q
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Why do transformer cores need to be grounded? And it can only be grounded at one point, not at two p
April 22, 20261、 Why must the iron core be grounded?The transformer core is made of stacked silicon steel sheets and is located in a strong alte
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Voltage level of foreign projects
April 18, 2026I recently read the technical specifications for an overseas project switchgear, which is a standard ANSI C37.20.2 metal armored s
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Rainproof test of outdoor switchgear in North America
April 18, 2026UL891 (UL 50E 3R)/NEMA 250 3R testing requirements. Under the pressure of 34.5 kPa (5PSI) spray, spraying water at an angle of up
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Why are current and voltage transformers sometimes called CT, PT, and sometimes TV, TA?
April 17, 2026Have you noticed that sometimes we call current and voltage transformers CT and PT, and sometimes people call them TV and TA? Why
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The "average speed" and "initial opening speed" of the vacuum circuit breaker's "opening speed"
April 17, 20261.Definition of initial separation speed: The speed at which the contact first separates (usually within 6mm (10kV)/10mm (35kV) af
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The transformer in the high-voltage cabinet burned during operation. What is the reason?
April 16, 20261. Overvoltage PhenomenaOvervoltage is the leading culprit behind PT failures, encompassing two main scenarios:Ferromagnetic Reson
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WHY CHOOSE
OUR PRODUCTS?
Jinhua Dika Electrical Equipment Co., Ltd.
Jinhua Dika Electric Co., Ltd. was established in 2016 and is rooted in Jinhua City, Zhejiang Province. It is a high-tech enterprise that integrates research and development, production, sales, and service. The company has been deeply involved in the electrical industry for fifteen years, always driven by technological innovation, and committed to providing safe, efficient, and intelligent electrical solutions for global customers. The company specializes in high and low voltage electrical equipment, intelligent distribution systems, power control components, and new energy supporting products, which are widely used in industrial automation, smart city construction, rail transit, new energy generation, and other fields. With excellent product performance and customized services, our business covers the whole country and is exported to overseas markets, establishing long-term strategic partnerships with multiple well-known enterprises. The company covers an area of 40 acres and has modern standard factories, fully automated production lines, and nationally certified laboratories. It is equipped with advanced testing equipment and has an annual production capacity of one million units (sets). The R&D center gathers industry elites, collaborates deeply with universities and research institutions, and has accumulated more than 50 patented technologies. Multiple products have passed authoritative certifications such as ISO9001, CE, CCC, etc. Adhering to the concept of "Smart Creation for the Future, Connected World", the company has established a strict quality control system and a comprehensive after-sales service system, responding to customer needs 24 hours a day. In recent years, we have actively laid out the fields of green energy and digitalization, promoted the implementation of innovative projects such as "smart grid" and "low-carbon solutions", and assisted the country's "dual carbon" strategy. In the future, Jinhua Dika Electric Co., Ltd. will continue to empower industry upgrading with technology, fulfill the corporate mission of "making electricity more efficient and reliable", and jointly explore new energy ecosystems with partners.
Company Overview
1Yr
Business License
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Manufacturer Business Type
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transformer, High and low voltage complete cabinet, Circuit breaker, Electrical accessories Main Products
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11 - 50 People Total Employees
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1-10 People Sales Staff
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5-10 People Quality Inspectors
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HACCP, TL900, QS9000, SA8000, ISO9001, ISO9004, ISO17799, ISO9000, ISO14000, ISO10441, ISO16949, TS16969, ISO19011:2000, OHSAS18001, Others Product Certifications
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US$1 Million - US$1.5 Million Annual Export Value
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North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market Main Markets
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shanghai, tianjin, guangzhou, ningbo Port of Shipment
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Power Distribution Cabinet & Box Main Industry
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