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Type 1 Solar Surge Protection Device SPD
Used in areas with a high risk of lightning strikes - LKX-B+C series
Exceptional operational dependability is ensured by a short-circuit current rating of up to 2000A.
Specification:
● Max.continuous operating voltage Uc: 1000V 1200V 1500V
● Type1/Class I/ Class B+C
● Impulse discharge current (10/350 us) limp =15kA @ Type 1
● Maximum discharge current (8/20 us) Imax = 100kA @ Type 2
● Insulation resistance (Rins) : >100Mohm
● Housing material :flame-retardant nylon
● Protective elements: Metal Oxide Varistor (MOV) and Gas Discharge Tube (GDT)



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Type1+2 DC surge protective device (SPDs)
LKX-PV Series-Flame-retardant surge protection devices for photovoltaic equipment protection.
Type1+2 DC SPD Meets both Class I(10/350 μs waveform) and Class II(8/20 μs waveform) SPD tests
Using 34S-H high-performance MOV, the maximum will be up to 10/350us 9kA
Specification:
● Normal Voltage (D.c.): 600V 800V 1000V 1200V 1500V
● Type 1+2/ Class I+II/ Class B+C
● Nominal discharge current(8/20us) [in] 20KA
● Lightning impulse current (10/350us) [limp] 6.25kA
● Total discharge current for muitipole SPD [Itotal] 12.5kA
● Protection mode(s) DC+PE.DC-/PE



010203
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Type 2 Photovoltaic surge protective device (SPDs)
LKX-PVxx Series DC 500V 600V 800V 1000V 1200V 1500V SPD for solar system
Surge protection devices can be optionally equipped with remote operation capabilities
Specification:
● Number of pole: 2p/3p
● Max.continuous operating voltage (D.c.): 500V 600V 800V 1000V 1200V 1500V
● Nominal discharge current(8/20μs) [In] 20kA
● Max.discharge current (8/20ys) [Imax] 40kA
● Admissible short-circuit current [Isccr] 25kA
● Operating state /fault indication: Green/Red
● Using 34s MOV, the maximum will be up to 8/20 μs 40kA



010203
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Pluggable solar surge protective device for protecting solar system or solar panel inverter
Surge Protective Devices (SPDs) are essential for safeguarding solar photovoltaic (PV) inverters from electrical surges and spikes, especially those caused by lightning. In areas with high lightning activity, unprotected PV systems can experience frequent and severe damage, leading to significant repair costs, extended downtime, and loss of revenue. Properly installed SPDs are crucial for minimizing the impact of lightning strikes and protecting sensitive components of PV systems, including AC/DC inverters, monitoring devices, and PV arrays. By investing in effective surge protection, you can ensure the longevity and reliability of your solar energy system.
How to choose the right surge protection device for your specific application?
Choosing the right surge protection device (SPD) for your application is critical. Start by identifying the type of SPD you need. T1 devices work best in high-risk environments, like areas prone to direct lightning strikes. These are common in industrial buildings or photovoltaic systems. T2 devices are used indoors to handle indirect surges, while T3 devices offer extra protection for sensitive electronics.
Check the voltage rating to ensure it matches your system. For DC systems like photovoltaic setups, choosing a device with the correct voltage is key. You’ll also want to ensure the discharge capacity can handle expected surge levels. In high-risk areas, higher capacity is essential. And don't forget about response time—fast response is crucial for protecting sensitive equipment from voltage spikes.
Consider the environment where the SPD will be installed. If it's exposed to harsh conditions, opt for weatherproof or flame-retardant designs. For critical applications, SPDs with remote monitoring provide real-time performance updates, helping with maintenance and replacements. Lastly, make sure the SPD meets industry standards like IEC 61643 and carries certifications such as ISO or CE.
Our factory's SPDs meet all the key factors necessary for reliable protection. By choosing our surge protection devices, you’ll ensure optimal protection and long-term reliability for your equipment.
How can remote monitoring capabilities improve surge protection maintenance?
This allows potential issues to be detected early, enabling proactive maintenance before failures occur. By identifying problems in advance, businesses can schedule timely inspections or replacements, reducing the risk of costly downtime or equipment damage. Immediate alerts also minimize system interruptions, particularly in critical infrastructure like photovoltaic systems or industrial facilities, where power disruptions can lead to significant financial losses.
In addition, remote monitoring reduces labor and maintenance costs by eliminating unnecessary on-site checks, while ensuring surge protection devices operate optimally. For larger installations, centralized control of multiple devices across different locations streamlines the process, ensuring reliability and quick responses to issues.


