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  DC overvoltage protection (type 2) for inputs A + B ( STP-30 only )

  DC Surge Protection, Protection, SMA
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  DC overvoltage protector (type 2) for inputs A ( STP-10 )

  DC Surge Protection, Protection, SMA
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  SMA DC Overvoltage Protection Module Kit (type 1/2) for STP 50-40 (CORE1)

  DC Surge Protection, Protection, SMA
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  SMA DC Overvoltage Protection Module Kit (type 2) for STP 50-40 (CORE1)

  DC Surge Protection, Protection, SMA
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  SMA AC Overvoltage Protection Module Kit (type 1/2) for STP 50-40 (CORE1)

  Protection, SMA, Three Phase Surge Protection
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  SMA AC Overvoltage Protection Module Kit (type 2) for STP 50-40 (CORE1)

  Protection, SMA, Three Phase Surge Protection