BS 4999-111:1987

Reference: M00000076

Condition: New product

BS 4999-111:1987 General requirements for rotating electrical machines. Specification for built-in thermal protection for electric motors rated at 660 volts a.c. and below

standard by BSI Group, 02/27/1987

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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.

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Published: 02/27/1987 ISBN(s): 0580157806 Number of Pages: 12 File Size: 1 file , 440 KB Product Code(s): 00166527, 00166527, 00166527