CEI EN 61557-3:1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Electrical safety in low-voltage distribution systems up to 1 kV AC and 1.5 kV DC - Equipment for testing, measuring or monitoring of protective measures -Part 3: Loop impedance
01-08-1998
18-09-2025
This standard specifies the requirements applicable to equipment for measuring loop impedance between a phase conductor and the protective conductor, or between a phase conductor and the neutral conductor, or between two phase conductors; the measurement is made using the voltage drop that occurs when the circuit under test is loaded.
| Committee |
CT 85/66
|
| DocumentType |
Standard
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IEC 61557-3:1997 | Identical |
| EN 61557-3:1997 | Identical |
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