HomeSupplier Discoveryarrow-rightInstruments & Metersarrow-rightTest Machinearrow-rightAutomatic Three Phase Relay Test Set Factories & Companies
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automatic three phase relay test set200+ factories verified

Haomai Electric Power Automation Co., Ltd.

27 yrs
·Manufacturer/Factory & Trading Company
Main Products:
CT PT Analyzer, Relay Protection Test System, Substation DC System Tester, Battery Test System
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Company Profile:
HAOMAI Electric Power Automation - Expert in Relay Testers & CT AnalyzersCompany OverviewWuhan HAOMAI Electric Power Automation Co., Ltd. (brand: Relaystar) is a leading manufacturer of relay protection testers, CT analyzers, and power testing equipment. Established in 1999, HAOMAI specializes in high-precision devices for utilities, substations, and industrial power systems.

Wuhan Goldhome Hipot Electrical Co., Ltd.

5.0
Main Products:
AC Resonant Test System, AC/DC Hipot Tester, Circuit Breaker Analyzer, Hv Test Set, Power Frequency Hipot Tester, Transformer Tester, AC Dielectric Test Set, Partial Discharge Test Set, High Voltage Test Set, Primary Current Injection Test Set
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wuhan Goldhome Hipot Electrical Co., Ltd was established in 2008, with the double efforts to struggle under more than ten years' diligent hard-working and adhere to spirit of keeping truth-seeking and pragmatic, exploring one professional road with competitive development in the electric and power testing field.

Beijing GFUVE Electronics Co., Ltd.

Main Products:
Current Transformer, Energy Meter Calibration, Power Quality Analyzer, Test Equipment, CT PT Analyzer, Relay Test Equipment, Split Core Current Transformer, Current Probe, Voltage Transformer, Power Meter
Country/Region:
Beijing, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Beijing GFUVE Electronics Co., Ltd. Was established in 2005. It combined science, industry and trade together as one high-tech enterprise. GFUVE mainly produces split core current transformer, high voltage ammeter recorder, IEC61850 test suite software, meter test equipment, current probe, reference standard meter, phantom load power source, electrical measurement instrument, relay test set, transformer test, CT analyzer, Test equipment, and power meter, power analyzer, intelligent digital meter, transducer, handheld terminal and split core current transformer, voltage transformer and current transformer models etc.

Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

4.0
Main Products:
Oil Purifier, Fire Testing Equipment, Petroleum Products Testing Equipment, Electrical Testing Equipment, Transformer Test Set, Oil Test Kit, Fire Retardant Test, Cone Calorimeter, Bdv Tester, Flash Point Tester
Country/Region:
Chongqing, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd is a high-tech enterprise for researching, designing, developing and producing scientific and measuring instruments. With its continuous drawing of lessonas, unremitting innovation and borrowing of advanced technology from both at home and abroad, our company is now becoming a professional manufacture of oil tester, electric tester, fire testing equipment, and oil purifier.

Wuhan UHV Power Technology Co., Ltd.

6 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Contact Resistance Tester, Protection Relay Tester, Circuit Breaker Analyzer, AC DC Hipot Tester, Transformer Tester, Series Resonant Test System, VLF Hipot Tester
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wuhan UHV Power Technology Co., Ltd., established in 2021, located in Wuhan East Lake New Technology Development Zone is also named Wuhan Optical Valley with convenient transportation access. And We have self-operation export and import rights.

Sansion Power Electric Co., Ltd.

22 yrs
·Manufacturer/Factory & Trading Company
Main Products:
AC DC Hipot Test Set, AC Resonant Test System, Transformer Test Set, Hv Switchgear Test Set, Ground Resistance Tester, Cable Fault Locating Test System, Insulator Fault Detector, CT PT Analyzer, Relay
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Sansion Power Electric Co., Ltd was established in 2005, a technocrat who have rich experience of more than 10 years in R&D, manufacturing and marketing of power electrical testing products, which are widely used in the fields of power electric, railroad, energy conservation and environment protection, water conservancy, petrochemical industry, aerospace and etc.

Kiyu Power Wuhan Co., Ltd

5.0
·Manufacturer/Factory & Trading Company
Main Products:
Oil Transformer, Impulse Voltage Generator, Vlf Hipot Test Equipment, Loop Resistance Tester, Relay Protection Tester, Pd Test System, Cable Fault Tester, Tuning Resonance Test Device, DC Hv Generator, Lightning Arrester
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Kiyu Power Wuhan Co., Ltd is a high-tech enterprise professionally engaged in R & D, manufacture, and marketing of power testing products, instruments, power industry automation systems, which are supplied for national power companies, metallurgy petrochemical corporations, factories and public institution.

Wuhan Hertz Power Equipment Co., Ltd

9 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Power Safety Apparatus Test Equipment, Power Transformer Test Equipment, High Voltage Switch Test Equipment, Relay Protection Test Equipment, Transformer Test Equipment, Zinc Oxide Lightning Arrester Test Equipment, Cable Test Equipment, Sf6 Gas Oil Analysis Equipment, Storage Battery Test Equipment, Insulation Resistance Test Equipment
Country/Region:
Hubei, China
R&D Capacity:
ODM Service
Company Profile:
Wuhan Hertz Electric Power Equipment Co., Ltd. Was established in 2017. The company originated from a team of senior engineers from Wuhan High Voltage Institute and professors from Huazhong University of Science and Technology, formed in 1993. The company primarily focuses on the research and development of power testing equipment such as lightning impulse generators, partial discharge test devices, high current temperature rise systems, transformer comprehensive test systems, switchgear comprehensive test systems, and motor comprehensive test systems. It also extends its services to shielding room design and installation, grounding design, and construction, offering a comprehensive service platform. Currently, the company boasts two major bases: The Optics Valley Electromechanical Industry Park production and testing base, and the Science and Innovation Center office and R&D base.

Weshine Electric Manufacturing Co., Ltd.

13 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Testing Equipment
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Weshine Electric Manufacturing Co., Ltd. Founded in 2013 with a registered capital of 80.5 million, is a modern high-tech enterprise specializing in the research and development, production, sales and service of power system automation devices and test instruments The company has strong technical force and complete testing equipment. The enterprise covers an area of 1200 square meters, including 800 square meters of production workshop. The company now has 98 employees, including 30 engineering and technical personnel and 4 safety supervisors in the production process, the company gives full play to its technical advantages and strictly controls the quality, effectively improving the technical content of the products and the reliability and safety of the products. The products have been tested by the national authoritative department, and the technical indicators have reached the national standards. The company in line with the professional, innovative, integrity concept and customer first service attitude, continuous improvement, strive to develop, and work together with domestic and foreign counterparts to create a better tomorrow. We are looking forward to cooperating with you sincerely and making great plans together.

Kvtester Electronics Technology Co., Ltd.

18 yrs
·Manufacturer/Factory & Trading Company
Main Products:
CT and PT Analyzer, HV Testing Equipment, Transformer Tester, Relay Protective Tester, Generator and AMP Tester, Earthing Tester, and HV and AMP Tester, AC Resonant Equipment, Cable Fault Locator System, Circuit Break Tester, Substation Online Monitoring System
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company is specialized in high voltage test equipment, power measurement and test equipment and instrumentation, substation online monitoring system and related software products R & D, design, production, sales and service.

Wuhan Kaidi Zhengda Electric Co., Ltd.

14 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Series Resonance, Hipot Tester, High Voltage Test Equipment, Cable Fault Locator, Electric Power Analyser
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wuhan Kaidi Zhengda Electric is a high-tech enterprise integrating research and development, production and sales of power testing equipment, instruments and power online monitoring systems. Provide a variety of types of high-tech power testing products, and in high voltage testing to provide users with a full set of electrical test equipment, to solve the power equipment supporting solutions.

Delta Technology (Chongqing) Co., Ltd.

5.0
Main Products:
Electrical Testing Equipment, Fire Reaction Testing Equipment, Transformer Tester, High Voltage Tester, Circuit Breaker Tester, Transformer Oil Tester, Transformer Oil Purifier, Cable Tester, Building Material Tester, Textile Tester
Country/Region:
Chongqing, China
Sample Service:
Sample Available
Company Profile:
Delta Technology specializes in providing high-performance electrical testers and fire reaction testers that help factories, laboratories, and safety inspectors ensure compliance with international standards.

Goldlink Power Jiangsu Co., Ltd.

5.0
Main Products:
Diesel Genset, Generating Set, Generator, Power Generator, Diesel Generator, Alternator, Electric Alternator, Silent Generator Sets, Electric Generator, Soundproof Genset
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Goldlink Power Jiangsu Co., Ltd. (hereinafter referred to as "Goldlink Power") is a high quality generator manufacturer integrating R&D, production, sale and service. It located in Jiangdu district, Yangzhou city, Jiangsu province in China.

Wuhan Huayi Electric Power Technology Co., Ltd.

21 yrs
·Manufacturer/Factory & Trading Company
Main Products:
AC DC Hipot Tester, Transformer Tester, Relay Protection Tester, Tan Delta Tester, Turn Ratio Tester, Pd Detector, Contact Resistance Tester, CT PT Analyzer, Oil Bdv Tester, Insulation Resistance Tester
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wuhan Huayi Electric Technology Co., Ltd.

HV Hipot Electric Co., Ltd.

20 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Transformer Testers, Partial Discharge Test System, Insulation Tester, High Voltage Test Set, Switchgears Test Set
Country/Region:
Hubei, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
HV Hipot Co. Is a high-tech enterprise professionally engaged in R & D, manufacture, and marketing of power testing products, instrumentations, power industry automation systems, which are supplied for national power companies, metallurgy petrochemical corpations, factories and public institution.

Wuhan Huadian High-Tech Electrical Equipment Co., Ltd

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Series Resonance Test System, Circuit Breaker Test Equipment, Transformer Test Equipment, High-Voltage Test Instrument, Relay Protection Test Device, Cable Testing Equipment‌
Country/Region:
Hubei, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Wuhan Huadian Hi-Tech Electrical Equipment Co., Ltd. (abbreviated as Huadian Hi-Tech), established in 2007 through the corporatization restructuring of the tertiary subsidiary of the former Wuhan High Voltage Research Institute, is a high-tech enterprise. Its predecessor, Wuhan High Voltage Research Institute Huadian Electric Company, founded in 1991, was among China's earliest manufacturers of high-voltage testing equipment.

EP HIPOT ELECTRIC CO., LTD.

10 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Transformer Test Equipment, Circuit Breaker Testing Equipment, High Voltage Test System, CT PT Testing and Calibrating, High Voltage Insulation Testing, DC System and Battery Testing, Cable Faults, Test and Diagnostics, Arrester and Insulator Testing
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Company Profile:
EP Hipot Electric Co., Ltd has rich experience of more than 20 years in R& D, manufacturing and marketing of market-leading high voltage test equipment. Passion, knowledge, expertise and technology drive us to help our customers all over the world, to maintain their assets value, improve their reliability, reduce maintenance costs and extend working life of the electrical systems and related apparatus. Our application specialists also perform on site trainings and workshops in order to share our knowledge with customers. We maintain quality control so that you can trust our products and receive expert help in selecting or servicing equipment. We are proud of the work we do to help utilities and electrical contractors keep the lights on and protect critical loads all over the world.

GOLDSOL(WUHAN)HIPOT TEST EQUIPMENT FACTORY

5.0
Main Products:
Vlf Hipot Testers, AC Hipot Tester, DC Hipot Tester, Resonant Test Set, Micro Ohmmeter, Tan Delta Tester, Primary Current Injection, Secondary Current Injection, CT PT Analyzer, Circuit Breaker Analyzer
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Company Profile:
GOLDSOL(WUHAN) HIPOT TEST EQUIPMENT FACTORY

Qingdao NaXin XiangYuan Electrical Equipment Co., Ltd.

Main Products:
High Current Generator, Primary Current Injector
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Nasin Xiangyuan Electric Equipment Co., Ltd., based in Qingdao, is a key scientific and technical enterprise in Shandong Province with professional testing certifications.

Xian XZH Electric Power Technology Co., Ltd.

4 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Cable Fault Locator, Transformer Tester, Ac Dc Hipot Tester, Ground Tester, High Voltage Circuit Breaker Analyzer
Country/Region:
Shaanxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xian XZH Electric Power Technology Co., Ltd. is located in the Eastern development zone of Xi'an City, Shaanxi Province, China, . Xi'an, is reputed as the most time-honored city with 13 dynasties for about 2000 years

Fujian Xinhengxin Motor Co., Ltd.

11 yrs
·Manufacturer/Factory
Main Products:
Generator Set
Country/Region:
Fujian, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Our company is specialized in different kinds of products. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we make our products with good quality at the reasonable price. Our products have 8 series and over 100 product specifications. All of our products match the requirements of international quality standards and our multi-series products have been proved by CE with the quality management of ISO9001. The series of water-cooled diesel electrical genset is the main product of our company, using famous international engine brands including Cummins, Volvo, Perkins. And adapting the technology of noise reduction. We produce over 2000 gensets across buildings, hospitals, hotels, telecommunication stations, databases, municipal engineering, mining industries, with power in a range of 5kw to 1200kw. We also produce series of STC and SLG gensets with mature techniques. They are widely used in areas of agriculture, individual households, breeding, cultivation, etc. We are selling our products in distant markets in Europe, Southeast Asia, South America and the Middle East.

Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd.

2 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Transformer Test Series, Transformer Oil test series, SF6 Test Series, Insulation resistance tester, Relay protection tester, High Voltage Test Series, Power Quality Analyzer, Circuit Breaker Test, Pa
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd. - Enhanced Company Profile

Xiamen Ai Power Technology Co., Ltd.

5.0
Main Products:
Silent Generator, Generator Spare Parts, Generator for Reefer Container, Generator Set, ATS, Lighting Tower, Air Compressor, Engine Spare Part, Alternator, Diesel Generator
Country/Region:
Fujian, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Our company main business is offering high-quality Power Generators with world famous brand like Cummins, Perkins, Mitsubishi, Doosan engines with Stamford, Leroy Somer, and Meccalte alternators from 10kVA to 3000kVA. We can provide the CKD type, open type, silent type and mobile type generators. Besides we also supply gas generator, marine generator, lighting towers and generator spare parts. All of our products have CE and ISO9001 certificate.

Refine On (Hebei) Electric Power Technology Co., Ltd.

7 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Hipot Tester, Transformer Tester, Transformer Oil Test, CT PT Analyzer, Cable Tester, Partial Discharge Tester, Contact Resistance Tester, Circuit Breaker Tester, Hv Surge Counter Tester
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Refine On (Hebei) Electric Power Technology Co., Ltd. is strategically located in the Mancheng High-tech Development Zone of Baoding City-a core area renowned for its agglomeration of high-tech enterprises in North China, boasting convenient transportation networks, abundant talent resources, and a supportive industrial ecosystem for technological innovation. Rooted in this fertile ground for development, the company has fully dedicated itself to the high-tech field of power system automation, focusing on the R&D, production, and promotion of cutting-edge products that address the core needs of the power industry. Its product portfolio covers a comprehensive range of solutions, including power system marketing measurement equipment (such as intelligent electric meters, metering verification devices, and load management terminals), operation and maintenance high-voltage testing instruments (like transformer oil BDV testers, high-voltage insulation resistance testers, and partial discharge detectors), distribution network testing tools (including feeder automation testers, fault locators, and cable testing equipment), power consumption inspection devices (such as electricity theft detection instruments and energy efficiency analysis tools), as well as a full line of specialized tools and meters. As a technology-driven enterprise integrating R&D, production, sales, and after-sales service, it has established a one-stop service system to ensure that every link from product conception to user application is seamlessly connected and of high quality.

Chongqing Super Mechanical&Electrical Co., Ltd

5.0
Main Products:
Oil Filtration Machine, Petrochemical Product Testing Equipment, Petroleum Machinery, Oil Testing Equipment, Oil Measurement Equipment
Country/Region:
Chongqing, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Chongqing Super Mechanical&Electrical Co., Ltd is Located at Chongging, one of the municipalities directly under the central government. We are a professional leading manufacturer and supplier of oil filtration machine, and petroleum oil analyzers, electric testing equipments, and related machinery.

Honle Group Co., Ltd.

18 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Automatic Voltage Regulator, Power Transformer, Vacuum Circuit Breaker, Switchgear, Ring Main Unit, Inverter, UPS, MCCB
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Honle Electric Co., Ltd is the manufacturer specialized in producing industrial electrical products. It has three factories, the first one produces power supply, the second one produce power transformer, the third one produces complete plants and equipment. As a member of China Power Supply Society, since its foundation, the company has been insisting on the theoretic guideline of "science & Technology is the first productive force" and holding up brand strategy as the guide, relying on forward understanding about power supply technology, perfect craft and unwearied pursuing to quality, we can show top quality power supply products, and set up fine image in Chinese market and overseas market.

Guangdong Wopusai Mechanical and Electrical Co., Ltd.

14 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Generator Sets, Bridges, Anti-seismic Brackets, Water Pumps, Valves, Fans, Bus Ducts, High and Low Voltage Electrical Cabinets, Energy Storage Equipment
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Guangdong Wopusai Mechanical and Electrical Co., Ltd.: Founded in 2012, located in Nanhai District, Foshan City, Guangdong Province, Near to Guangzhou South Railway Station (about 5 kilometers), it is a company integrating R&D, production, and Marketing: Generator sets, bridges, anti-seismic brackets, and water pumps. It is an integrated manufacturer of mechanical and electrical products such as valves, fans, bus ducts, high and low voltage electrical cabinets, and energy storage equipment. The founder has been in this industry for 20 years! Experience will be the reliability and security of your choice.

Jiangsu xinhuazhong automatic equipment Co.,Ltd

26 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Diesel Generator
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Established in 2001, Jiangsu Xinhua Zhong Automation Equipment Co., Ltd. Has over 20 years of history. Located in Yangzhou, Jiangsu Province, the company covers an area of 26, 000m² . We specialize in the manufacturing and distribution of high and low voltage diesel generator. Our product portfolio mainly includes open-type generator, silent generator, mobile silent, and containerized generator, providing comprehensive production-to-sale services. Today, our products find wide application in numerous sectors. They are extensively used in industrial and mining enterprises, forestry, pastures, postal and telecommunications, road and bridge construction, as well as hospitals, military, and fire-fighting fields. These generator function not only as regular power sources for day-to-day operations but also as reliable emergency backup power supplies. Our company has been honored with titles like "High-Tech Enterprise of Jiangsu Province. " We've obtained several certifications, such as ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and EU CE certification, along with over thirty patented technology approvals. Equipped with state-of-the-art production facilities and a professional team of technicians, we offer complete technical solutions and industrial processes, covering everything from standard diesel generator to high-pressure, desert-proof, and plateau-adapted models. XHZ operates multiple workshops, namely the cutting workshop, assembly workshop, painting workshop, finished product workshop, and a testing center. This setup ensures that every product leaving our factory is 100% compliant. For our generator, we partner with world-renowned engine brands, including Cummins, Volvo, Yuchai, Shangchai, Weichai, and Perkins, to guarantee top-notch performance. We provide a rich variety of generator set solutions. Our self-manufactured generator range from 20KW to 3000KW, offering diverse models to meet the varied demands of different enterprises. Through meticulous craftsmanship, we ensure product quality, enabling our products to endure harsh environments and supply stable power continuously. Moreover, we've established a full-fledged three-level after-sales service system, providing installation, commissioning, maintenance, and all-round support, so our users can enjoy a worry-free experience. Our products have been exported to dozens of countries and regions worldwide, receiving high praise.
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