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IEC 61557-3:1997 ED1

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 3: Loop impedance

Feb 14, 1997

General information

99.60     Jan 29, 2007

IEC

TC 85

International Standard

17.220.20     29.080.01     29.240.01  

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Revised

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Scope

Specifies requirements for equipment for measuring the loop
impedance between a phase conductor and the protective conductor
or between a phase conductor and neutral or between two phase
conductors by using the voltage drop when the circuit
under test is loaded.

Life cycle

NOW

WITHDRAWN
IEC 61557-3:1997 ED1
99.60 Withdrawal effective
Jan 29, 2007

REVISED BY

WITHDRAWN
IEC 61557-3:2007 ED2