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Risks of electrical surges Lightning discharges could contain currents of 200,000A which if struck at or near power transmission lines would generate a significant voltage transient. This voltage transient could cause significant damage to both domestic and commercial electronic equipment. These ... Read More
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IEC terminology International standard IEC 60364 distinguishes three families of earthing arrangements, using the two-letter codes TN, TT, and IT. The first letter indicates the connection between earth and the power-supply equipment (generator or transformer): "T" — Direct connection of a point ... Read More
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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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BR-40 2P Surge Protection Device Class II Spd 275v lightning surge protector varistor surge arrester
BR-40 1+1 DIN Rail Type 2 Surge Protection Device Spd Lightning Protection
BR-40 48 DC SPD Surge Protection Device Dc Surge Suppressor 40kA 48v Pv Surge Arrester
BR-50GR 4P Ac Lighting protection China type 1 surge protection device Spd Surge Filter spd t1 t2
BR-25M 4P Type 1 Surge Protection Device Lightning protection varistor SPD lightning protection
