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What is the loop impedance

What is the loop impedance, Total:14 items.

In the international standard classification, What is the loop impedance involves: Components and accessories for telecommunications equipment, Electricity. Magnetism. Electrical and magnetic measurements, Insulation, Power transmission and distribution networks.

British Standards Institution (BSI), What is the loop impedance

BS EN 50289-1-11:2002 Communication cables - Specifications for test methods - Electrical test methods - Characteristic impedance, input impedance, return loss
BS EN 61557-3:2007 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. Loop impedance

European Committee for Electrotechnical Standardization（CENELEC）, What is the loop impedance

EN 50289-1-11:2001 Communication Cables - Specifications for Test Methods Part 1-11: Electrical Test Methods - Characteristic Impedance, Input Impedance, Return Loss
EN 50289-1-11:2016 Communication cables - Specifications for test methods - Part 1-11: Electrical test methods - Characteristic impedance@ input impedance@ return loss
EN 61557-3:2007 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

German Institute for Standardization, What is the loop impedance

DIN EN 50289-1-11:2002 Communication cables - Specifications for test methods - Part 1-11: Electrical test methods; Characteristic impedance, input impedance, return loss; German version EN 50289-1-11:2001
DIN EN 61557-3:2008 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

CENELEC - European Committee for Electrotechnical Standardization, What is the loop impedance

EN 61557-3:1997 Electrical Safety in Low Voltage Distribution Systems up to 1 kV a.c. and 1@5 kV d.c. - Equipment for Testing@ Measuring or Monitoring of Protective Measures Part 3: Loop Impedance

International Electrotechnical Commission (IEC), What is the loop impedance

IEC 61557-3:2019 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 RLV 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 61557-3:2007 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 3: Loop impedance

Korean Agency for Technology and Standards (KATS), What is the loop impedance

KS C IEC 61557-3-2013(2018) 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

Association Francaise de Normalisation, What is the loop impedance

NF EN IEC 61557-3:2022 Sécurité électrique dans les réseaux de distribution basse tension au plus égale à 1 000 V c.a. et 1 500 V c.c. - Dispositifs de contrôle, de mesure ou de surveillance de mesures de protection - Partie 3 : Impédance de boucle

RU-GOST R, What is the loop impedance

GOST IEC 61557-3-2013 Low voltage distribution systems up to 1000 V a. c. and 1500 V d. c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 3. Loop impedance