The thi?t b?| t? BSFF200-3/320-200A-3PN-VTD-S is a reliable unit designed for safeguarding your equipment from surges. With its sophisticated features, this device ensures {optimal performance and security. It's a vital part of any residential electrical setup. Features Voltage ratings Environmental factors Cung c?p t? c?t l?c sét 3 pha 200A u