IEC 60255-12:1980
Current
The latest, up-to-date edition.
Electrical relays - Part 12: Directional relays and power relays with two input energizing quantities
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
01-01-1980
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FOREWORD
PREFACE
SECTION ONE - SCOPE AND DEFINITIONS
Clause
l. Scope
2. Definitions
SECTION TWO - REQUIREMENTS
3. Standard values
4. Operation and accuracy
5. Methods of presenting relay characteristic and
performance
6. Thermal requirements
7. Mechanical requirements
8. Values of the limits of the operative range of the
auxiliary energizing quantities
9. Contact performance
10. Rated burden
11. Insulation
12. Marking and data
13. High frequency disturbance test
SECTION THREE - TEST METHODS
14. Tests related to accuracy and operating characteristics
15. Tests for thermal requirements
16. Tests for mechanical requirements
FIGURES
Specifies performance requirements for the subfamily as shown in the title. This publication forms part of a series dealing with measuring relays with more than one input energizing quantity and for which IEC 60255-6 gives the general requirements.
| DevelopmentNote |
Stability Date: 2018. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Standards | Relationship |
| GOST IEC 60255-12 : 2014 | Identical |
| BS 142-4.2(1984) : 1984 | Similar to |
| PN IEC 255-12 : 1994 | Identical |
| UNE 21136-12:1990 | Identical |
| VDE 0435-302 : 1988 | Similar to |
| BIS IS/IEC 60255-12 : 1980 | Identical |
| EN 60255-5:2001 | Electrical relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests |
| VDE 0435-303 : 1984 | ELECTRICAL RELAYS; STATIC MEASURING RELAYS (SMR) |
| DIN 57435-303 : 1984 | ELECTRICAL RELAYS: STATIC MEASURING RELAYS |
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