16/30348626 DC : 0

Superseded

BS 7856:2017 - SPECIFICATION FOR SPECIAL DESIGN AND OTHER FEATURES OF ALTERNATING CURRENT WATTHOUR METERS FOR ACTIVE ENERGY FOR USE IN THE UK (ACCURACY CLASSES A AND B)

Available format(s)

Hardcopy , PDF

Superseded date

31-07-2017

Language(s)

English

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Mechanical features
5 Electrical features
6 Other features
Annexes
Annex A (normative) - Test method
        of a terminal's ability to safely
        clamp standard UK cables
Annex B (informative) - External rate
        switching logic for multi-rate meters
Annex C (normative) - Long-term
        overcurrent test requirements
Annex D (normative) - Performance
        criteria for load switches inside meters
Annex E (normative) - Sealing criteria
Annex F (informative) - Operational
        considerations related to switches
        inside meters
Bibliography

BS 7856:2017.

Committee	PEL/13
DocumentType	Draft
Pages	27
PublisherName	British Standards Institution
Status	Superseded

BS EN 60269-1 : 2007	LOW-VOLTAGE FUSES - PART 1: GENERAL REQUIREMENTS
BS 88-3(2010) : 2010 COR 2014	LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS) - EXAMPLES OF STANDARDIZED SYSTEMS OF FUSES A TO F
IEC 60502-1:2004+AMD1:2009 CSV	Power cables with extruded insulation and their accessories for rated voltages from 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) up to 30 kV(<em>U</em><sub>m</sub> = 36 kV) - Part 1: Cables for rated voltages of 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) and 3 kV (<em>U</em><sub>m</sub> = 3,6 kV)
BS EN 62052-21 : 2004	ELECTRICITY METERING EQUIPMENT (A.C.) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 21: TARIFF AND LOAD CONTROL EQUIPMENT (IEC 62052-21:2004)
BS EN 50470-1 : 2006	ELECTRICITY METERING EQUIPMENT (A.C.) - PART 1: GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - METERING EQUIPMENT (CLASS INDEXES A, B AND C)
BS 3036:1958	Specification. Semi-enclosed electric fuses (ratings up to 100 amperes and 240 volts to earth)
BS EN 50470-3 : 2006	ELECTRICITY METERING EQUIPMENT (A.C.) - PART 3: PARTICULAR REQUIREMENTS - STATIC METERS FOR ACTIVE ENERGY (CLASS INDEXES A, B AND C)
BS EN 60947-1 : 2007	LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES
IEC TR 60269-5:2014	Low-voltage fuses - Part 5: Guidance for the application of low-voltage fuses
BS HD 60269-3 : 2010	LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS) - EXAMPLES OF STANDARDIZED SYSTEMS OF FUSES A TO F
BS EN 50470-2 : 2006	ELECTRICITY METERING EQUIPMENT (A.C.) - PART 2: PARTICULAR REQUIREMENTS - ELECTROMECHANICAL METERS FOR ACTIVE ENERGY (CLASS INDEXES A AND B)
BS HD 60269-2:2013	Low-voltage fuses Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application). Examples of standardized systems of fuses A to K