STP T23 20 is the series of combined Type 2+3/Class II+III devices for discharging voltage surges....
Read MoreSTM T23 20 S is the series of combined Type 2+3/Class II+III devices for discharging voltage surges....
Read MoreSTE T23 20 is the series of combined Type 2+3/Class II+III devices for discharging voltage surges....
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