Logo
Login Sign Up
Current Revision

BSI BS 4999-72:1972

Specification for general requirements for rotating electrical machines -- Built-in thermal protection for electric motors rated at 660 volts a.c. and below
Best Price Guarantee
5-10 Days

$319.84


Sub Total (1 Item(s))

$ 0.00

Estimated Shipping

$ 0.00

Total (Pre-Tax)

$ 0.00


or
British Standards Institution Logo

BSI BS 4999-72:1972

Specification for general requirements for rotating electrical machines -- Built-in thermal protection for electric motors rated at 660 volts a.c. and below

PUBLISH DATE 1972
PAGES 12
BSI BS 4999-72:1972
WITHDRAWN, 2/27/1987
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.
SDO BSI: British Standards Institution
Document Number 4999-72
Publication Date Feb. 14, 1972
Language en - English
Page Count 12
Revision Level
Supercedes
Committee PEL/2
Publish Date Document Id Type View
Feb. 14, 1972 BS 4999-72:1972 Revision