Three-phase squirrel cage induction motors in flameproof enclosure type ASA and E2-ASA
frame size 63 – 355
Frame size
Entry
thread size
Size
Dxd
Minimum admissible
supply cable
diameter
[mm]
Tightening
torque limits
[Nm]
30x16 15.5
30x18 17.4
132
M32x1.5
30x21 20.4
38x18
17.4
160
38x21
20.4
38x24
23.4
180
M40x1.5
38x27
26.4
54
48x24 23.4
200-225
48x27 26.4
225-250 48x30
29
250
M50x1.5
48x36 35
107
61x30 29
280
61x36 35
61x42 41
315
355
M63x1.5
61x45 44
120
Optional for
prot. dev.
M20x1.5 18x11
10.5
20
NOTE:
Maximum diameter of the supply cable is to be considered as the
maximum diameter of the cable that can be introduced by hand, into the
sealing ring of the cable entry.
On request, the terminal box with an additional IPE/PG 16 or M20x1.5
cable entry is also available.
The cable entries are only suited for permanent wiring.
4.
Measurement and control devices
The following measurement and control devices are needed when
commissioning or maintainig the motors:
megohmmeter of 1000 V, to measure the insulation resistance
voltmeter to check the supply voltage
ammeter to measure the phase currents
tachometer to measure the speed
