BS 3535-2:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Isolating transformers and safety isolating transformers Specification for transformers for reduced system voltage
Hardcopy , PDF
01-10-2003
BS EN 61558-2-7:1998
BS EN 61558-1 : 2005
BS EN 61558-2-8:2010
BS EN 61558-2-23:2001
BS EN 61558-2-5:2010
BS EN 61558-1:1998
English
15-03-1997
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Foreword
Committees responsible
Specification
1 Scope
2 Definition
3 General requirements
4 General notes on tests
5 Rating
6 Classification
7 Marking
8 Protection against electric shock
9 Change of input volgtage setting
10 Output voltage and output current under load
11 No-load output voltage
12 Short-circuit voltage
13 Heating
14 Short circuit and overload protection
15 Mechanical strength
16 Protection against harmful ingress of water and moisture
17 Insulation resistance and electric strength
18 Construction
19 Components
20 Internal wiring
21 Supply connection and external flexible cables and cords
22 Terminals for external conductors
23 Provision for protective earthing
24 Screws and connections
25 Creepage distances and clearances
26 Resistance to heat, abnormal heat, fire and tracking
27 Resistance to rusting
Appendices
1A Production tests
1B Examples intended to be used as a guide for Sub-clause 8.6 1C Examples of points of application of test voltages
1D Measurement of creepage distances and clearances
Requirements for stationary or portable, single-phase or polyphase, air-cooled reduced system voltage transformers having a rated supply voltage not exceeding 1000 V and a rated output not exceeding 25 KVA single-phase or 40 KVA polyphase.
| Committee |
PEL/96
|
| DevelopmentNote |
To be read in conjunction with BS 3535-1(1990) Supersedes BS 3052(1958), BS 3535(1962), BS 4435-1(1969) and 85/32685 DC (01/2003)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 6440:1999 | Powered lifting platforms for use by disabled persons. Code of practice |
| BS 5900:1999 | Specification for powered domestic lifts with partially enclosed cars and no lift-well enclosures |
| BS 7375:1996 | Code of practice for distribution of electricity on construction and building sites |
| BS 5900:1991 | Specification for powered domestic lifts |
| BS 5776:1996 | Specification for powered stairlifts |
| BS 4737-2:1986 | Intruder alarm systems Specification for installed systems for deliberate operation |
| BS 7992:2002 | Code of practice for exterior deterrent systems |
| BS 7798:1998 | Specification for industrial immersion heaters using metal-sheathed elements |
| BS 7797:1998 | Specification for industrial duct heaters using metal-sheathed elements |
| BS DD231(1996) : 1996 | CODE OF PRACTICE FOR EXTERIOR DETERRENT SYSTEMS |
| BS 7671(2001) : 2001 AMD 14905 | REQUIREMENTS FOR ELECTRICAL INSTALLATIONS |
| BS EN 60309-1 : 1999 | PLUGS, SOCKET-OUTLETS AND COUPLERS FOR INDUSTRIAL PURPOSES - PART 1: GENERAL REQUIREMENTS |
| BS 196:1961 | Specification for protected-type non-reversible plugs, socket-outlets cable-couplers and appliance-couplers with earthing contacts for single phase a.c. circuits up to 250 volts |
| BS 7671(2001) : 2001 AMD 14905 | REQUIREMENTS FOR ELECTRICAL INSTALLATIONS |
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