* oSolar and wind power diagnostic, monitoring, and communication equipment * oWelding equipment * oHigh voltage motors * oSwitch-mode power supplies * oLine receiver * oComputer peripheral interface * oMicroprocessor system interface * oCircuits for safe protective separation against electrical shock according to safety class II (reinforced isolation): * ofor appl. class I to IV at mains voltage ≤ 300 V * ofor appl. class I to IV at mains voltage ≤ 600 V * ofor appl. class I to III at mains voltage ≤ 1000 V according to DIN EN 60747-5-5 (VDE 0884-5)