SPD, Surgeprotec , Surge protector , Surge Protection Device DESCRIPTION Type 1+2 SPD  AC SPD for three phase FEATURES Model: SPT12.5-275/4 Uc = 275V  Type 1+2 / Class I+II / Class B+C  Iimp = 12.5kA  DATASHEET Price Quotation Send us your message ! Contact us