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in stockReleased: 2007-12-19
UNE EN 61557-7:2007
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 (IEC 61557-7:2007).
Seguridad eléctrica en redes de distribución de baja tensión hasta 1 000 V c.a. y 1 500 V c.c.. Equipos para ensayo, medida o vigilancia de las medidas de protección. Parte 7: Secuencia de fases. (IEC 61557-7:2007).
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| Standard number: | UNE EN 61557-7:2007 |
| Pages: | 25 |
| Released: | 2007-12-19 |
| Status: | Standard |
DESCRIPTION
This standard UNE EN 61557-7:2007 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 (IEC 61557-7:2007). is classified in these ICS categories:
- 17.220.20