
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c.- Equipment for testing, measuring or monitoring of protective measures Part 1: General requirements
出版:International Electrotechnical Committee

專家解讀視頻
Specifies the general requirements for measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems with nominal voltages up to 1000 V a.c. and 1500 V d.c.
BS EN 61557-1:1997 - Identical