OEM/ODM Factory for Surge protective devices-SPD Supply to Estonia
Exterior and dimensions
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- The Surge protective devices(SPDs), suitable for residential,commercial and industrial appications, are designed to limit transient overvoltage and run-off lightning currents.
- It provides reliable protection from the destructive effects of lightning and switching
- are lightning current arrsters, they can handle and divert high energy from lightning.
-they are necessary when the installation is exposed to direct lightning(for example when the buiding is equipped with external lightning protection system or powered by aerial lines).
|Model:||Max continuous operationl voltage Uc-(V):||Nominal discharge current In(8/20s)(KA):||Max. discharge current Imax(8/20μs)(KA):||Level of protection Up(KV):||Protection category:|
|Model||Max. continuous operationl voltage Uc-(V)||Impulse current Limp(10/ 350MS)||Nominal discharge current (8/20MS)||Voltage protection level||Follow current interruting rating Ifi||Max. back-up fuse||Response time||Stocking and operating temperature|
Very useful circuit to ensure that AC polarity is correct in a circuit or electrical equipment/device. A reverse polarity condition (Hot & Neutral Lines Reversed), will not allow current to flow into the circuit or electrical device. This safety circuit is ideal for certain types of transformerless power supplies, triac circuits, and other circuits where the hot/neutral lines must be connected to the proper location in a circuit.
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A solenoid works by having electricity flow through its copper wire that is provided by a power supply and a switch. Discover how a solenoid becomes a magnet when electricity is supplied to it with information from a science teacher in this free video on electricity and science lessons.
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