Compact DIN rail mount solid state relays designed for industrial environmentThyristor constructed and capable of withstanding 3 times over-voltage rating and 400A for 10msac or unpolarised dc input with LED indicationIP20 (IEC52) rated polycarbonate caseDesigned to relevant IEC and UL regulations2 or 3 units together provide low cost control of 3 phase loads upto 240VZero cross switchingSingle Phase, line to line or line to neutral connection