
APPENDIX
B–65152E/03
J. CONDITIONS OF IEC34
STANDARD CONFORMATIONS
217
Cooling method specified by IEC34–6 is as follows.
Motor model IC code Cooling method
a0.5, a1(IP55), a1.5(IP55),
a2(IP55), a3(IP55)
IC0A0 Air cooling, free convection.
a1, a1.5, a30, a40,
a1/15000, a30/6000, aP30,
aP40, aP50, aP60,
aP30/6000, aP40/6000,
a30HV, a40HV, aC1, aC1.5
IC0A6 Air cooling, circulation by
machine–mounted inde-
pendent fan.
Models except above–
mentioned
IC0A5 Air cooling, circulation by
integral independent fan.
Motors shall be mounted as following method.
IM code Shaft direction Mounting type, etc.
IMB5 Horizontal Flange mounting
IMV1 Vertical down Flange mounting
IMB3 Horizontal Foot mounting,
foot down
IMB6 Horizontal Foot mounting, foot left
(viewed from shaft end)
IMB7 Horizontal Foot mounting, foot right
(viewed from shaft end)
IMB8 Horizontal Foot mounting, foot up
IMV5 Vertical down Foot mounting
NOTE
The output shaft can be oriented in the range from 45°
above the horizontal to 90° below the horizontal.
J.4
COOLING METHOD
(IEC34–6)
J.5
MOUNTING METHOD
(IEC34–7)