BS 4999-72:1972
Date published:
Specification for general requirements for rotating electrical machines, Built-in thermal protection for electric motors rated at 660 volts a.c. and below
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.
| Get this standard | Prices exclude GST | |
|---|---|---|
| HardCopy |
$395.60 NZD
|
|
Related Information
29.160.30 Motors
Similar Standards
-
AS/NZS 1359.5:2004
Rotating electrical machines - General requirements - Part 5: Three-phase cage induction motors - High efficiency and minimum energy performance standards requirements -
BS 1727:1987
Specification for motors for battery operated vehicles
-
BS 4999-103:2004
General requirements for rotating electrical machines, Specification for symbols
-
BS 4999-141:2004+A1:2010
General requirements for rotating electrical machines, Specification for standard dimensions
BS 4999-72:1972
Get this standard
Prices exclude GST
HardCopy
$395.60 NZD