what is the meaning of "i.p.-43" and duty cycle-s1 on the
name plate of a asynchronous machine?

Answer Posted / ik3232

IP-43 Rating - The first digit designation "4" means
protection against "solid objects equal or greater than 1mm
(0.04") in diameter". The second digit "3" means protection
against "sprayed water" ; "Spray water falling
perpendicularly at an angle of up to 60-deg may not have any
damaging effects".

If u want More Details,then :
http://en.wikipedia.org/wiki/IP_Code#cite_note-0

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how we select ac fuse rating of an power inverter???

1392


Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

1126


Please give me a erda placement paper

1301


What determines the thickness of the lamination or stamping?

1184


How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

1911






if we have 320KVA Genset kindly advice how much load we can put it.

1019


what type questions asked in hp cl

1445


How isolater function when installed inelectrical 440V wiring

1708


What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

1435


Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

1847


How to set the relay,,??

1633


Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m

2345


Can RCD's used to protect the VVVF drive if not why.

1726


how to calculate the settings for shaft ct protn in hydro generators

1506


We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

1260