Registration number (WIID)Project No.TitleStatus
43631EN 61557-7:2007Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequenceAtcelts
42727EN 61557-2:2007Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistanceAtcelts
49757EN 60051-7:1989Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: Special requirements for multi-function instrumentsAtcelts
54860EN 61557-8:2007Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systemsAtcelts
44919EN 61557-3:2007Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedanceAtcelts
54688EN 61557-6:2007Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systemsAtcelts
44578EN 61557-9:2009Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systemsAtcelts
46549EN 60477:1997Laboratory d.c. resistorsAtcelts
50961EN 60477-2:1997Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
55952LVS EN 61557-9:2015Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systemsAtcelts
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