BS 4999-72:1972
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Built-in thermal protection for electric motors rated at 660 volts a.c. and belowSpecification for general requirements for rotating electrical machines
Available format(s)
Hardcopy
Language(s)
English
Published date
14-02-1972
Publisher
Superseded date
23-07-2013
Superseded by
€263.42
Excluding VAT
Classifies types of protection, specifies winding temperatures for steady overload and stalled conditions. Recommends thermistor reference temperatures. Characteristics for thermostats, thermistors and thermistor control units with appropriate tests. Thermistors are of positive temperature coefficient. An appendix gives typical characteristic curve.
| Committee |
PEL/2
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 3053:1983 | Specification for commercial refrigerated cabinets for the sale and/or display of food products |
| BS 5345-6:1978 | Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture) Recommendations for type of protection \'e\'. Increased safety |
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