No.

Squirrel cage motor

Y

YKK

YKS

Y2

Slip ring motor

YR

YRKK

YRKS

/

1

Structure

Box-type construction, made up of steel plates welded with each other

Compact struction

2

Cooling method

IC01 or (IC11, IC21, IC31)

IC611 or IC616

IC81W

IC411

3

Natural ventilation, with top mounted protection cover

With top mounted air-air cooler

With top mounted air-water cooler

4

Protection type

IP23

IP44 or IP54

IP44 or IP54

IP54

5

Insulation

F

6

Mounting arrangement

IMB3

7

Voltage available

3 kv, 3.3 kv;     6 kv, 6.6 kv;     10 kv, 11 kv

8

Frequency available

50 Hz , 60 Hz