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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.

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.

SNEC ES+, intelligent storage lightning protection, a successful conclusion
10/ July 2024
SNEC ES+, intelligent storage lightning protection, a successful conclusion
The 9th International Energy Storage and Battery Technology and Equipment Conference and Exhibition (referred to as Shanghai SNEC ES+) was held in Shanghai New International Expo Center from September 25 to 27, the exhibition brought together domestic and foreign energy storage technology and equipment brand enterprises, as SNEC has participated in the lightning protection enterprises for many years. Anhui Jinli with the full scene of light storage lightning surge protection device , solutions and related technologies made a grand appearance, a grand event. With the development concept of "to protect users from lightning", the company has built intelligent storage full-scene lightning protection products and solutions covering the power side, the power grid side and the user side through continuous product upgrading and technological innovation, providing matching lightning protection solutions for large base storage, industrial and commercial energy storage, household energy storage and other scenarios, and fully meeting the diversified needs of customers for clean energy lightning protection. Our company carries new products (DC2000 modular SPD, DC2000V on-board SPD, photovoltaic DC backup protector, line arrester acquisition terminal and collection unit, etc.) shining N2-680, by many energy storage enthusiasts and international friends stop to consult, exchange and praise. Full scene intelligent storage lightning protection product layout With the continuous innovation of optical storage technology and material technology, the efficiency of the battery, the insulation level of the material, and the manufacturing process technology have made rapid progress, so that higher system voltage is possible, and the power density of the system is improved, which is conducive to the reduction of the cost of the optical storage system, so that 2000V optical storage system will become the current development trend. The 2000V modular SPD used in the bus box and the on-board SPD in the optical storage inverter came into being, keeping up with the development trend of the industry, our company has mature SPD products supporting the DC2000V optical storage system, relying on high reliability and high consistent quality to bring stable and reliable lightning protection solutions for each user. The energy storage lightning protection box leads the new trend of large storage lightning protection The intelligent lightning protection box for energy storage is a high-end lightning protection unit with the function of high current and low residual voltage, and uses modern power electronic technology to realize the operation status of lightning protection unit and lightning data monitoring, data storage and analysis, and provides a human-machine friendly interface device. The intelligent lightning protection box for energy storage is called the "reliable nanny" of the battery cabin, which integrates the "high current" + "low residual voltage" + "intelligent" technolog...
  • Safety production, actual combat drill
    10/ July 2024
    Safety production, actual combat drill
    In order to improve employees' awareness of fire safety, create a safe production environment for surge protection device, and enhance employees' rescue organization ability and emergency escape ability for fire and other safety accidents, on August 6, 2024, Anhui Jinli organized all employees to participate in fire safety training and emergency drills. Before the drill, the teachers of the Fire Education Center analyzed the recent fire accidents. These bloody lessons remind us that we must always stay vigilant, master the necessary fire knowledge and put out small fires in a safe situation can save our own lives and the lives of others. Then Mr. Jiao explained the professional knowledge of fire safety and the precautions for exercise. The fire drill activity simulated fire emergency escape and work area fire drill and other links. The drill started from the surge protector workshop. After the smoke filled and the fire alarm was triggered, all employees quickly switched to the emergency state and efficiently and orderly escaped and evacuated to the designated safe area. After all the staff arrived at the safe area, Teacher Jiao evaluated the performance of the staff observed during the escape process, pointed out the problems in the escape drill, and further improved the staff's emergency handling ability in the face of emergencies. And make detailed demonstration and professional guidance on the use of fire extinguishers that need to be used in the next step. Subsequently, under the command of the person in charge of the on-site command, the fire fighting drill in the working area officially began. The crew lit the barrel and the fire caught fire in the wind. The team members cooperated and skillfully used fire extinguishing equipment, and the "fire" was extinguished in less than one minute. Through this fire safety training and actual combat exercise, the fire safety awareness of employees has been further enhanced, and the emergency escape ability and self-protection ability of employees in emergency situations have been improved, so that employees have been well trained and educated in the exercise, so that the policy of prevention first and combination of prevention and elimination can be better implemented in Jinli . In the follow-up, Anhui Jinli will gradually strengthen the safety education and training of employees, make corresponding safety plans, and ensure that the safety production of the SPD workshop is effectively guaranteed!
  • Energy storage tips
    10/ July 2024
    Energy storage tips
    Comparison of air cooling and liquid cooling in energy storage systems With the acceleration of the global energy transition and the promotion of the "dual carbon" strategy, the energy storage industry, as a key component of the national energy revolution, is ushering in unprecedented development opportunities. With the increase of the proportion of new energy storage in China, the economy of industrial and commercial energy storage is gradually emerging, and the importance of sodium-ion batteries and all-vanadium flow batteries is growing. New trends such as independent energy storage and virtual power plants have also injected new vitality into the development of new energy storage industry. In the design and application of energy storage systems, the total heat dissipation technology of energy storage systems is a key factor to ensure the stable operation of the system. At present, air cooling and liquid cooling are the two most mainstream methods of heat dissipation. Compare from the following six dimensions: Liquid cooling mode Ⅰ: the heat dissipation principle is different Air cooling relies on air flow to take away heat, so that the surface temperature of the equipment is reduced, and the heat dissipation effect will be affected by factors such as ambient temperature and air circulation. Air cooling requires that there be a certain gap between the components of the equipment as an air duct, so the volume of the air-cooled cooling equipment is often larger. Liquid cooling is to reduce the internal temperature of the equipment through liquid circulation, requiring that the heating equipment components need to have good contact with the heat dissipation plate, and at least one side of the heat dissipation device is smooth and regular; The heat exchange of liquid cooling temperature control is ultimately lost to the outside world through the liquid cooling machine, because the equipment itself is equipped with liquid, so the liquid cooling equipment can achieve a relatively high level of protection. Ⅱ:Different application scenarios Air cooling is the most widely used cooling technology at present, and its technical maturity and reliability have been widely verified, especially in low and medium power scenarios, air cooling still occupies a mainstream position. Liquid cooling is more suitable for large-scale, high energy density energy storage projects. The advantages of liquid cooling are particularly obvious when the battery pack energy density is high, the charge and discharge speed is fast, and the ambient temperature changes are large. Ⅲ:Different heat dissipation effect The heat dissipation effect of air cooling is easily affected by the external environment, such as ambient temperature and air flow, so the heat dissipation demand for high-power equipment may not be met. Liquid cooling has good heat dissipation effect, can effectively control the internal temperature of the equipment, improve the stability of the equipment and exten...
  • transmission of love
    10/ July 2024
    transmission of love
    As a noble social welfare cause, blood donation is a red bond that transmits the true feelings of the human world. Manufacturers of surge protectors Anhui Jinli actively responded to the call of the Party branch and Changning Center, and organized employees to participate in the high-tech Zone 2024 centralized blood donation activity. The early season has arrived, the summer heat, so hot weather did not resist the enthusiasm of Anhui Jinli employees to donate blood. At 8 o 'clock in the morning, the colleagues who signed up for blood donation came to the central blood donation point early, and under the guidance of the community staff, they orderly filled in the unpaid blood donation registration form. After blood pressure measurement and preliminary blood test, everyone rolled up their sleeves, stepped on the blood donation car in turn, donated their own blood, and demonstrated the strong sense of social responsibility and selfless dedication of Anhui Jinli employees with practical actions! Blood donation is not terrible, it only needs us a little courage and love, the lightning  SPD protection problem encountered in the process of enterprise electricity is not terrible, JINLI escort for everyone!
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