Meteolabor manufactures two series to protect power entries, the USP and the PLP. The USP series is used for currents up to 64 A and is designed for fixed and mobile use with very low AC blind currents. The PLP series is for fixed installations only. A typical application is for power inlet into shelters, containers or data centres. The PLP series is capable of handling three phases from 40A up to 1,000A.