BS 4999-72:1972 PDF

$151.00

Specification for general requirements for rotating electrical machines-Built-in thermal protection for electric motors rated at 660 volts a.c. and below
standard by BSI Group, 02/14/1972

Document Format: PDF

Description

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.

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:
02/14/1972
ISBN(s):
0580067777
Product Code(s):
10099674
Note:
This product is unavailable in Ukraine, Russia, Belarus