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Choosing Surge Protectors Britec’s line of AC power surge protectors is designed to cover all possible configurations in low voltage installations. They are available in many versions, which differ in: - Type or test class (1, 2 or 3) - Operating voltage (Uc) - AC network configuration (Single/three... Read More
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At PV plants, SPDs have to fulfill specific requirements to ensure continuous operation and energy generation. When designing a PV plant, it is important to consider the installation of surge protection devices (SPDs). Surges and network disturbances can lead to downtime, reducing the performance of ... Read More
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DC surge protection is necessary in several industries which utilize DC current in order to maintain service functionality. Two major industrial applications of DC surge protection devices is in the telecommunications industry utilizing cell tower structures and in the solar industry utilizing ... Read More
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Protecting data centers from lightning strikes is no easy task. Protection of power supply lines and maintenance of energy supply: Continuity of power in a data center is paramount. Data centers consume huge amounts of energy, not just to run the IT systems, but also to cool equipment. But not all ... Read More
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The EN 62305 standard series specifically cover the protection against lightning to structures, their contents, persons and livestock. EN 62305 accepts that we now live in the electronic age, making LEMP (Lightning Electromagnetic Impulse) protection for electronic and electrical systems an integral ... Read More
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By Xuyang Xu from Britec Electric Wenzhou Co., Ltd. Gas Discharge Tube (GDT) has two plates of metals which is separated by inertia gas and then sealed in a porcelain cylinder. When the voltage between these two plates is higher than the continuous operating voltage of the GDT, arc starts between ... Read More
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IEC 61643-311:2013 Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT) IEC 61643-311:2013 is applicable to gas discharge tubes (GDT) used for overvoltage protection in telecommunications, signalling and low-voltage ... Read More
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According to IEC61643-11, Type 1 surge protective device should be tested by 10/350μs waveform and Type 2 SPD should be tested by 8/20μs waveform. 10/350μs waveform is a surge which reaches peak value at 10μs and it reduces to half of peak current at 350μs. Take BR-25GR type 1 SPD as an example, the ... Read More
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Type 1 Type 1 Surge Protective Device (SPD)s are intended for installation between the secondary of the service transformer and the line side of the service equipment overcurrent device, as well as the load side, including watt-hour meter socket enclosures, and are intended to be installed without ... Read More
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How to know what kA rating to use Selecting the appropriate surge protective device (SPD) can seem like a daunting task, especially with all of the different types on the market today. The surge rating or kA rating of an SPD is one of the most misunderstood ratings. Customers commonly ask for an SPD ... Read More
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