Could I help you?
New Sale! View larger

BS 4999-111:1987

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

More details

$22.91

-56%

$52.07

More info

Full 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.

Product Details

Published: 02/27/1987 ISBN(s): 0580157806 Number of Pages: 12File Size: 1 file , 440 KB Product Code(s): 00166527, 00166527, 00166527 Note: This product is unavailable in United Kingdom