BS EN IEC 61557-3:2022
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
- Standard No.
- BS EN IEC 61557-3:2022
- Release Date
- 2022
- Published By
- British Standards Institution (BSI)
- Latest
- BS EN IEC 61557-3:2022
- Scope
- 1 Scope This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a line conductor and protective conductor; between a line conductor and neutral; or between two line conductors by using the voltage drop when the circuit under test is loaded.
BS EN IEC 61557-3:2022 Referenced Document
- IEC 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
- IEC 61010-2-030:2017 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-030: Particular requirements for equipment having testing or measuring circuits
- IEC 61557-1:2019 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 1: General requirements
BS EN IEC 61557-3:2022 history
- 2022 BS EN IEC 61557-3:2022 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
