Specification for general requirements for rotating electrical machines. Built-in thermal protection for electric motors rated at 660 volts a.c. and below.
STANDARD published on 14.2.1972
Designation standards: BS 4999-72:1972
Note: WITHDRAWN
Publication date standards: 14.2.1972
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS