DIN EN 61557-4 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 4: Resistance of earth connection and equipotential bonding (IEC 61557-4:2019); German version EN IEC 61557-4:2021

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 4: Resistance of earth connection and equipotential bonding (IEC 85/610/CD:2017)

Published Date: 11/30/2007

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 4: Resistance of earth connection and equipotential bonding (IEC 61557-4:2007); German version EN 61557-4:2007

Published Date: 10/01/2013

Instrument transformers for 50 Hz, U<(Index)m> 0.72 kV to 52 kV - Part 7: Voltage Transformers U<(Index)m> to 12 kV - Small design, main dimensions, indoor type

Published Date: 03/01/1999

Laboratory d.c. resistors (IEC 60477:1974 + A1:1997); German version EN 60477:1997 + A1:1997

Published Date: 10/01/2013

Instrument transformers for 50 Hz, U<(Index)m> 0.72 kV to 52 kV - Part 9: Voltage Transformers U<(Index)m> = 12 kV and U<(Index)m> = 24 kV - Narrow design, main dimensions, indoor type

Published Date: 08/01/2021

Electrostatics - Part 1: Electrostatic phenomena - Principles and measurements (IEC TR 61340-1:2012 + COR1:2013 + COR2:2017 + AMD1:2020)

Published Date: 12/01/1981