CENELEC - EN 61557-7
Electrical 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 sequence
inactive
| Organization: | CENELEC |
| Publication Date: | 1 March 2007 |
| Status: | inactive |
| Page Count: | 12 |
| ICS Code (Power transmission and distribution networks in general): | 29.240.01 |
| ICS Code (Measurement of electrical and magnetic quantities): | 17.220.20 |
| ICS Code (Electrical insulation in general): | 29.080.01 |
Document History
May 1, 2022
Electrical 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 sequence
This part of IEC 61557 specifies the requirements applicable to measuring equipment for testing the phase sequence in three-phase distribution systems. Indication of the phase sequence can be...
EN 61557-7
March 1, 2007
Electrical 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 sequence
A description is not available for this item.
March 1, 1997
Electrical Safety in Low Voltage Distribution Systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for Testing, Measuring or Monitoring of Protective Measures Part 7: Phase Sequence
A description is not available for this item.