IEC 62109-1:2010 describes the possibility of reducing the overvoltage category from CAT IV to CAT III by means of an isolating transformer, an optocoupler or similar galvanic separation, since the…
CEI 62109-1:2010 décrit la possibilité de réduire la catégorie de surtension de CAT IV à CAT III au moyen d'un transformateur d'isolement, d'un optocoupleur ou d'une séparation galvanique…
The insulation monitoring device is connected to the live supply conductors and to ground. Much like an ohmmeter, it applies a voltage between these points to measure resistance. In the event of a…