DIN EN IEC 61557-3 PDF

Published Date: 12/01/2022

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance (IEC 61557-3:2019); German version EN IEC 61557-3:2022

Published Date: 11/30/2017

Draft Document - 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 (IEC 85/609/CD:2017)

Published Date: 01/31/2008

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 (IEC 61557-3:2007); German version EN 61557-3:2007

Published Date: 04/30/1998

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 (IEC 61557-3:1997); German version EN 61557-3:1997

Published Date: 06/01/2022

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 2: Special requirements for ammeters and voltmeters (IEC 60051-2:2018); German version EN IEC 60051-2:2021

Published Date: 10/01/2013

Instrument transformers for 50 Hz, U<(Index)m> 0.72 kV to 52 kV - Part 3: Voltage transformers U<(Index)m> 12 kV to 36 kV - Large design, main dimensions, indoor type

Published Date: 12/01/2022

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance (IEC 61557-3:2019); German version EN IEC 61557-3:2022

Published Date:

IEEE/NACE Draft Standard Practice - Atmospheric Above Grade Inspection and Assessment of Corrosion on Steel Electrical Transmission, Distribution, and Substation Structures

Published Date: 01/01/2018

IEEE/NACE Approved Draft Standard - Atmospheric Above Grade Inspection and Assessment of Corrosion on Steel Electrical Transmission, Distribution, and Substation Structures