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AC/DC surge protection device
Anhui Jinli Electric Tech. Co., Ltd, a professional manufacturer of surge protection device, has AC SPD and DC SPD, with CE, RoHs, TUV, UL certificates.  And we keep offering SPDs to Sungrow, Goodwe, Growatt, Hopewind, Solax Power, INVT, and also work with Huawei on some projects. AC surge protection device is used in AC power supply system (50/60Hz), such as TT, TN, IT, power supply system of network communication equipment (WIFI, 4G and 5G), and factory low-voltage power  control system to protect from lightning striker and transient over-voltage. Uc of Jinli AC SPD:175V, 275V, 320V, 350V, 385V, 440V, 485V and 750V. DC surge protection device is used in all kinds of DC power system, such as broadcasting systems, communication systems, security monitoring systems, fire control systems, industrial control systems, and various other DC power equipment with DC voltage of 24V, 48V, 110V, 220V etc. Uc of Jinli DC SPD is: 85V, 225V, 350V.
AC surge protection device
Jinli AC surge protective device is used in AC power supply system (50/60Hz), such as TT, TN, IT, power supply system of network communication equipment (WIFI, 4G and 5G), and factory low-voltage power  control system to protect from lightning striker and transient over-voltage. Uc of Jinli AC SPD: 175V, 275V, 350V, 385V, 440V, 485V and 750V, including type 1+2 ac spd, type 2 ac spd. For type 1+2 SPD, we have Iimp=15kA, Iimp=25kA, Iimp=12.5kA. For type 2 spd, we have In=10kA, In-=20kA, In=40kA, In=60kA
DC surge protection device
DC surge protective device is used in all kinds of DC power system, such as broadcasting systems, communication systems, security monitoring systems, fire control systems, industrial control systems, and various other DC power equipment with DC voltage of 24V, 48V, 110V, 220V etc.  Uc of Jinli DC SPDs is: 85V, 225V, 350V
Solar surge protection device
Photovoltaic surge protection device is avalibale for 600V, 800V, 1000V and 1500V dc power system of phototvoltaic power generation equipment in DC side, DC combiner box, inverter in DC side, etc. 
Signal surge protection device
Signal surge protection device is used in weak current control systems (industrail control systems, telecommunication systems, fire alarm systems, security monitoring systems etc.) To ensure the telecom or data equipment sufficiently reliable, the signal sugre protection device must be installed to protect data equipment from transient overvoltage. 
Type 1 AC SPD
Jinli type 1+2 ac spd, has Iimp=15kA, Iimp=25kA, Iimp=12.5kA, from Uc=385V, Uc=680V, Uc=750V. For JLSP-BC680/12.5/3P+1/Y, Y means remote signaling, is offered to Huawei projects, with CE, TUV, RoHS certificates.
PCB type surge protection device
PCB type surge protection device is voltage-limiting type SPD and mainly used to prevent surge overvoltage in AC/DC power supply circuite, which equipped with safety disconnection device and status indicator. Normally, the indicator window is green, and will turn to red under malfunction and generate remote alarm signaling. 
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Through the nationwide sales and technical service network, we provide users with fast and personal services and create a safe and worry-free power environment.

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Through the nationwide sales and technical service network, we provide users with fast and personal services and create a safe and worry-free power environment.

dc spd 1000v
Jinli PV surge protection device solar DC SPD 1000V
Type 2 surge protector 1000V SPD In:20kA Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11 CE certificate
dc spd 600v
Jinli 2 poles solar surge protection device DC SPD 500V 600V
Type 2 surge protector 600v SPD In:20kA Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11
dc spd
Single phase power surge protection device DC SPD 220v
Type 2 DC surge protector In:20kA Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11
600v dc spd
Type 2 single phase surge protection device dc SPD 600V
Type 2 surge protector 600v SPD, single phase surge protection device In:20kA; Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11 OEM acceptable SPD factory, professional manufacturer
ac surge protective device
Type 2 three phase ac surge protection device power SPD 175V
Type 2 surge protector, Uc=175V, 4poles ac spd, surge protector 40ka In:20kA Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11
dc power supply spd
Jinli type 2 surge protection device 24V 48V 2poles DC SPD
Type 2 DC surge protector In:20kA; Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11 OEM & ODM SPD factory, professional manufacturer
type 2 dc spd
Single phase type 2 power surge protector dc spd 350V
Type 2 DC 350V surge protector In:20kA Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11
spd dc 20ka
Jinli small size dc spd 20kA surge protector
Type 2 DC surge protector, 670V dc surge protector In:10kA, Imax: 20kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11 OEM/ODM SPD manufacturer Sungrow, Goodwe, Growatt supplier, work with Huawei
dc spd 1000V
Jinli Type 2 DC surge protector 3poles SPD 1000V
Type 2 surge protector 1000V SPD, DC SPD 3 pole In:20kA; Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11 CE, UL certificate SPD factory, professional OEM manufacturer
dc surge protection device
Jinli type 2 dc surge arrester SPD 2 pole 1000V
Type 2 DC SPD 2 Pole, dc 1000V 2 pole In:20kA  Imax: 40kA Low voltage Up Internal disconnection, statue indicator, and remote signaling IEC 61643-11 OEM acceptable SPD factory, professional manufacturer
About Us
Anhui Jinli Electric Tech. Co., Ltd
  Anhui Jinli Electric Tech. Co., Ltd (hereinafter refered to as Jinli), located in High-tech industrial development zone, Hefei, Anhui province, is a national high-tech enterprise and one of the best innovation enterprises in Chinese lightning protection industry, with 56000 sq.m. for R&D, production and office, including 3800 sq.m. for laboratory.    Anhui JINLI Electric Tech. CO., LTD is always professionally dedicated to SPD production and owns 3 laboratories, which have the full test capabilities compliance with national and international standards such as IEC61643, UL1449. The labs have been assessed and found eligible to participate in UL witness data program, as well as testing at manufacturer’s premises laboratory approval by TüV Rheinland Group.  The surge protectors all pass the CE and Rosh certificates, and parts of them obtain UL certificate.   * 2006/3 The birth of Anhui Golden Power Electronic Co., Ltd   * 2008/9 Surge protective devices were 1st used in Luanda railway project in Angola   * 2009/6 1st manufacturer to offer SPDs in 2*300MW cogeneration project   * 2009/11 Achieved the National Hi-tech enterprise certification   * 2011/5 Renamed to Anhui Jinli Electric Tech. Co., Ltd   * 2012/8 Participated in formulating China lightning protection GB/T 21714   * 2012/11 Build the largest enterprise-class test center and MOV materail laboratory in east China   * 2014/4 Passed TUV approval for solar SPD   * 2014/11 Awarded the best innovative enterprise in lightning protection industry   * 2015/3 "Special intelligent power saving cabinet for PV SPD" came to the market   * 2016/4 Released new products of solar surge protection device   * 2016/8 Obtained RoHS certificate   * 2017/8 Obtained CE certificate and Thayer certificate of DOC   * 2018/7 Obtained the eligibility to participate in UL witness test data program   * 2018/7 Changed to new logo    * 2018/8 Laboratory approval by TUV Rheinland Group   * 2019/3 Released Second generation PCB SPD and T1+T2 PCB SPD   * 2020/5 Released intelligent lightning protection products   * 2021/10 Hold the first special seminar on lightning protection technology   * 2022/4 Upgraded product lines and manuals Baed on the concept of "Adering to original", Jinli is committed to power system security and focused on the over-voltage oritection  of electrical system. With technial service network, we can provide fast and professional service for users and creat a safe and worry-free electricity environment. 
view more about
2008
Established
56000
Factory area(㎡)
30+
Patent
20+
Research Team
Latest News

Through the nationwide sales and technical service network, we provide users with fast and personal services and create a safe and worry-free power environment.

Lightning protection solution for electrified railway system
04/ December 2024
Lightning protection solution for electrified railway system
In accordance with the guidance of "Transportation and Supply Equipment Letter No. 325" and "Transportation and Supply Equipment Letter No. 240" issued by the Transportation Bureau of China Railway Corporation, GB 50057 "Design code for protection of Structures against lightning" and GB 50343 "Technical code for protection of building electronic information system against ligtning", Anhui Jinli Electric Tech. Co., Ltd has fully combined the two basic principles of lightning protection zoning and lightning protection classification, and launched the "distributed" lightning protection system and the "centralized" lightning protection system. It can effectively suppress strong lightning from invading the secondary system of the traction substation and prevent the secondary system equipment of the traction substation from being damaged by strong lightning intrusion.  The products including surge protection devices, isolation transformer cabinet, comprehensive intelligent lightning protection screen of Anhui Jinli Electric Tech. Co., Ltd. can meet the relevant technical requirements and standards and provide effective lightning protection measures.
  • Enhancing Skills, Building Quality—Jinli First Production Skills Competition
    20/ November 2024
    Enhancing Skills, Building Quality—Jinli First Production Skills Competition
    To further enhance the expertise and efficiency of our production team, we recently held our first Production Skills Competition. The competition focused on key processes in manufacturing low-voltage surge protection device, covering soldering, assembly, testing, and more. It showcased our employees’ exceptional craftsmanship and unwavering commitment to high-quality products. Ⅰ:A variety of exciting events Varistor Assembly Long and short electrode assembly Remote static and static electrode assembly Products short electrode welding Board manual plug-in Ⅱ:Cross-departmental collaboration, create success This event not only inspired innovation and teamwork among our staff but also strengthened our leadership in the SPD industry. We believe it is these meticulous details that ensure our products are safe and reliable for our customers. As a leading provider of surge protector solutions, we remain dedicated to addressing customer needs through continuous innovation and stringent quality control. Looking ahead, we will keep advancing skills and technologies to deliver even greater value to our customers.
  • Energy storage terminology and system lightning protection solutions
    06/ November 2024
    Energy storage terminology and system lightning protection solutions
    Ⅰ:Energy storage terms Stored energy:The process of storing energy through a medium or device and releasing it when needed. Through flexible charge and discharge control, it realizes the matching of production capacity and energy consumption in time and space. From the perspective of power system, energy storage can be divided into power generation side/power supply side, power grid side, and user side energy storage, of which power supply side and power grid side energy storage is also known as pre-table energy storage or large storage Pre-sheet energy storage:Energy storage that is directly connected to the power grid and has independent power and electricity meters; Otherwise, it is post-table energy storage, and user-side energy storage is also called post-table energy storage. User-side energy storage is divided into industrial and commercial energy storage and home energy storage. Domestic user-side energy storage mainly refers to the energy storage system applied in the majority of industrial and commercial customers, energy storage equipment can be simply understood as a large charging treasure. Charge when the electricity price is low, discharge when the electricity price is high for enterprise production, and earn the difference between peak and valley electricity prices, thereby reducing the cost of electricity for enterprises. Peak regulation:Transfer excess electricity from low-power areas to low-power areas. Because electricity cannot be stored on a large scale, it is generally necessary to use as much electricity as is generated. When the power generation of a region is constant, and the power here is not used up, it is necessary to transfer the excess power to the power shortage area through dispatch, or is the common pumped storage Frequency modulation:For example, the rated frequency stipulated in China is 50Hz, but the electrical appliances in production and life are complex and diverse, and the start-up of the machine will affect the power grid frequency, which requires frequency modulation to improve the power quality. PCS(Power Conversion System):Realize the power conversion between the grid and the battery, and monitor and manage the exchange process. It can control the charging and discharging process of the battery, carry out AC/DC transformation, and directly supply AC load in the case of no power grid. PCS is composed of DC/AC bidirectional converter, control unit, etc BMS(Battery Management System):It is mainly used for battery pack monitoring, calculation, communication and protection. It mainly consists of battery management chip, analog front end, embedded microprocessor, and embedded software EMS(Energy Management System):It can realize real-time monitoring and intelligent management of all equipment in the system. Realize data collection, storage, processing, upload, operation control, operation strategy formulation, and so on, and carry out overall information-based monitoring and management Ⅱ:Lightning protectio...
  • Hunan Building Electrical Association 2024 annual meeting
    31/ October 2024
    Hunan Building Electrical Association 2024 annual meeting
    On October 27, 2024, the 2024 annual meeting of Hunan Building Electrical Society was held in Yucheng Chaoyang Hotel, Changsha. The director of Hunan Building Electrical Society, the backbone members of major design institutes in the province, and more than 150 representatives of more than 30 electrical equipment manufacturers attended the annual meeting. Anhui Jinli Electric is a professional engaged in lightning SPD research and development, manufacturing, sales and provide overall lightning protection solutions of the technical service company, is also the only invited to participate in the lightning protection manufacturers, and in the venue with the visiting representatives had a good interaction. The exhibition exhibits include surge protector series, backup protector series, backup integrated surge protector series, signal surge protector series and lightning early warning system products, among which the lightning early warning system attracted the attention and consultation of many delegates at the venue. Surge protector is rapidly developing in the direction of intelligence and digitalization, from fault trip remote information, lightning count, to peak detection, waveform restoration, life warning and so on. As a professional lightning protection manufacturer, our company was also invited to share the development of lightning protection industry and the development of intelligence at the conference. After a day of communication and discussion, the annual meeting of Hunan Building Electrical Society achieved a complete success in the summary speech of the chairman of the society. Based on the enterprise development concept of "to protect users from lightning intrusion", the company is committed to the safety of electrical systems, focusing on the surge protection device technology of electrical systems, and independently developed lightning warning system and intelligent lightning protection system, transforming the passive protection of lightning to active defense, transforming the decentralized protection to the full intelligent protection of the system, and building a three-dimensional lightning protection and operation and maintenance management system. The company adheres to the "original as the guide" and is committed to promoting the continuous progress and development of the global lightning protection cause.
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