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IEC 61557-3 Ed. 3.0 b:2019

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 3: Loop impedance

standard by International Electrotechnical Commission , 07/26/2019

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Full Description

IEC 61557-3 specifies the requirements applicable to 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.
 

Product Details

Edition:
3.0
Published:
07/26/2019
Number of Pages:
21
File Size:
1 file , 1 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus, Canada
 

Document History

  1. IEC 61557-3 Ed. 3.0 b:2019

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    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 3: Loop impedance

    • Most Recent

  2. IEC 61557-3 Ed. 2.0 b: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 3: Loop impedance

    • Historical Version

  3. IEC 61557-3 Ed. 1.0 b:1997


    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

    • Historical Version