NEN-EN 50197-7
Measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Part 7: Equipment for indicating phase sequence
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 September 1994 |
| Status: | inactive |
| Page Count: | 9 |
| ICS Code (Control equipment for electric power systems): | 29.240.30 |
| ICS Code (Protection against electric shock. Live working): | 13.260 |
scope:
This standard specifies the requirements for measuring equipment applied to testing the phase sequence in 3-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.
Document History
NEN-EN 50197-7
September 1, 1994
Measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Part 7: Equipment for indicating phase sequence
This standard specifies the requirements for measuring equipment applied to testing the phase sequence in 3-phase distribution systems. Indication of the phase sequence may be mechanical, visual...