class i+ii+iii spd
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TUV Certified Iimp 25kA Three phase VT Surge Arrester
The BP25VT 3PN100 is class I & class II (or T1+T2 ) prewired four poles SPD designed for low-voltage power system lightning current & surge protection, especially for location of high risk exposure or LPZ 0-2 building entrances ( IEC 62305-4) to against the damage from direct or close lightning strikes.
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