Popular Design for Surge protective devices-SPD for Poland Manufacturers
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|
In this video, I show how to properly wire an ammeter (amp gauge) with a shunt. Shunts are devices that tone down the amperage in a known ratio so that the ammeter can safely measure the amperage without the internal circuitry frying. These devices usually do not come with directions so I thought I would take some time and show you the proper way so you can avoid mistakes like I made.
To purchase a similar ammeter to this one:
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