EN 60521:1995/corrigendum Dec. 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
CLASS 0,5, 1 AND 2 ALTERNATING-CURRENT WATTHOUR METERS
21-03-2003
12-01-2013
Clause
1. Scope
2. Units
3. Definitions
4. Classification
5. Mechanical requirements
6. Electrical requirements
7. Marking of meters
8. Accuracy
9. Starting and running with no-load
10.Adjustment
APPENDIX A - Graphical symbols for watthour meters
Annex ZA (normative) Other international publications
quoted in this standard with the
references of the relevant
European publications
Annex ZB (normative) Special national conditions
TABLES
I. Clearances and creepage distances
II. Standard basic requirements
III. Standard reference voltages
IV. Power loss
V. Apparent power loss
VI. Heating
VII. A.C. voltage tests
VIII. Voltage marking
IX. Voltage and current balance
X. Reference conditions
XI. Percentage error limits (single-phase meters and
polyphase meters with balanced loads)
XII. Percentage error limits (polyphase meters carrying
a single-phase load, but with balanced polyphase
voltages applied to voltage circuits)
XIII. Interpretation of test circuits
XIV. Temperature coefficient
XV. Influence quantities
XVI. Variations due to short-time overcurrents
XVII. Variations due to self-heating
XVIII. Starting currents
XIX. Minimum range of adjustment
Applies to newly manufactured induction-type watthour meters of accuracy Classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range 45 Hz to 65 Hz. Applies to the assembly of meters and accessories, including current transformers, when enclosed in the metercase. Does not apply to any kind of measuring device.
| Committee |
TC 13
|
| DevelopmentNote |
Former HD 309.1 (05/2001)
|
| DocumentType |
Standard
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NF EN 60521 : 1995 | Identical |
| SN EN 60521 : 1995 | Identical |
| NBN EN 60521 : 1995 | Identical |
| NEN 10521 : 1995 | Identical |
| VDE 0418-12 : 1995 | Identical |
| DIN EN 60521 : 1995 | Identical |
| BS EN 60521:1995 | Identical |
| CEI EN 60521 : 2ED 1997 | Identical |
| I.S. EN 60521:1995 | Identical |
| IEC 60521:1988 | Identical |
| BS EN 61036:1997 | Alternating current static watt-hour meters for active energy (classes 1 and 2) |
| EN 62053-31:1998 | Electricity metering equipment (a.c.) - Particular requirements - Part 31: Pulse output devices for electromechanical and electronic meters (two wires only) |
| CEI 13-32 : 2000 | WATT-VAR-HOUR METERS FOR LOW-VOLTAGE THREE-PHASE NETWORKS (INTEGRATED UNITS) PRESETTED FOR PROCESSING AND REMOTE MANAGEMENT OF DATA WITH OR WITHOUT INSERTION OF CURRENT TRANSFORMERS |
| BS 5724-2.124(1998) : 1998 | MEDICAL ELECTRICAL EQUIPMENT - PARTICULAR REQUIREMENTS FOR THE SAFETY OF INFUSION PUMPS AND CONTROLLERS |
| BS EN 62053-31:1999 | Electricity metering equipment (a.c.). Particular requirements Pulse output devices for electromechanical and electronic meters (two wires only) |
| I.S. EN 61036:1997 | ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2) |
| CEI 13-26 : 1999 | WATT-HOUR METERS AND POWER LIMITERS FOR LOW-VOLTAGE NETWORKS (INTEGRATED UNITS) PERMITTED OR NOT FOR PROCESSING AND REMOTE MANAGEMENT OF DATA |
| EN 61036:1996/A1:2000 | ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2) |
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