SN EN ISO 7284 : 1997
Current
The latest, up-to-date edition.
RESISTANCE WELDING EQUIPMENT - PARTICULAR SPECIFICATIONS APPLICABLE TO TRANSFORMERS WITH TWO SEPARATE SECONDARY WINDINGS FOR MULTI-SPOT WELDING AS USED IN THE AUTOMOBILE INDUSTRY
12-01-2013
Committees responsible
National foreword
Foreword
1 Scope
2 Normative references
3 Types of transformer
4 General requirements
5 Positions of the rotary switch
6 Dimensions
7 Construction
8 Tests
9 Designation
Annex
A (normative) Cable input for the primary connection
Tables
1 Types of transformer, electrical characteristics
2 Dimensions l1, l2 and l3 as a function of the
secondary permanent current
3 Limit values of the no-load current Io
A.1 Dimensions of the conduits
Figures
1 Positions of the rotary switch
2 Dimensions and arrangement of secondary connections
3 Dimensions of the separate rotary switch (position 6)
Position of the handle
A.1 Dimensions of the plate for transformers
A.2 Dimensions of the plate for rotary switch
A.3 Dimensions of plug and socket device
Describes specifications regarding particular types of transformers, and complements ISO 5826 which gives general specifications which apply to all transformers.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Current
|
| Standards | Relationship |
| UNI EN ISO 7284 : 1997 | Identical |
| EN ISO 7284 : 1996 | Identical |
| DIN EN ISO 7284:1996-11 | Identical |
| UNE-EN ISO 7284:1997 | Identical |
| ISO 7284:1993 | Identical |
| I.S. EN ISO 7284:1997 | Identical |
| BS EN ISO 7284:1996 | Identical |
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