PT 61557-15

Elecrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testin, measuring or monitoring of protective measures - Part 15:Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems.

Develop IEC 61557-15: Elecrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testin, measuring or monitoring of protective measures - Part 15:Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems.