• Your shopping cart is empty!

  • BS 4999-72:1972

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

BSI Group, 02/14/1972

Publisher: BS

File Format: PDF

$125.00$251.46


Published:14/02/1972

Note:This product is unavailable in Ukraine, Russia, Belarus

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.

More BS standard pdf

BS 848-5:1986

BS 848-5:1986

Fans for general purposes-Guide for mechanical and electrical safety

$90.00 $180.34

BS 6800:1986

BS 6800:1986

Specification for home and personal security devices

$36.00 $73.66

BS 6794:1986

BS 6794:1986

Method for reporting measured vibration data for land vehicles

$82.00 $165.10

BS 6736:1986

BS 6736:1986

Code of practice for hand signalling for use in agricultural operations

$76.00 $152.40