IEC 61557-3:1997

 
  •  

IEC 61557-3:1997

Title
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
Abstract
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.
Issue date
1997-02-14
Category
MEAS
Included in IECEE System
2007-10-01
Test Report Form
Testing Equipment List