• Your shopping cart is empty!

  • BS 4999-20:1972

BS 4999-20:1972

Specification for general requirements for rotating electrical machines-Classification of types of enclosure

BSI Group, 02/28/1977

Publisher: BS

File Format: PDF

$125.00$251.46


Published:28/02/1977

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

Classifies types of enclosure in respect of the degree of protection afforded to persons against contact with live parts, and against ingress of solid foreign bodies and liquids. Gives test requirements appropriate to each category and examples of types of test equipments.

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

More BS standard pdf

BS 08/30185288 DC

BS 08/30185288 DC

BS ISO/IEC 22535. Information technology. Telecommunications and information exchange between systems. Corporate telecommunication networks. Tunnelling of QSIG over SIP

$111.00 $223.11

BS 08/30177421 DC

BS 08/30177421 DC

BS ISO 10302-2. Acoustics. Measurement of airborne noise emitted and structure-borne vibration induced by small air moving devices. Part 2. Structure-borne vibration measurements

$125.00 $251.40

BS 08/30135847 DC

BS 08/30135847 DC

BS ISO 9004. Managing for the sustained success of an organization. A quality management approach

$121.00 $242.48

BS 08/30121802 DC

BS 08/30121802 DC

BS ISO/IEC 19756. Information technology. Topic maps. Constraint Language (TMCL)

$113.00 $226.34