Check list
Parameters to specify when purchasing a motor
for more explanation you can click on the link
Electrical part
_______________
mains
number of phases (1, 3, 2)
(if 1 phase, should it be a symmetrical motor ?) (more)
tension (Volt)
frequency (Hz)
power (kW or HP) ( 1 HP = 0.736 kW)
(if 1 phase high power, should it be with low start current ?)
speed (r.p.m.)
(if more than 1 speed, specify power for each speed)
(if frequency drive, should motor be adapted for a special frequency ?)
(if frequency drive, should motor be convection cooled or cooled by other device?)
application
if 1 phase: start torque (Nm or kgcm)(depends on your application)
torque motor ? (max 1.2 Nm)(more)
thermal protection(more)
service (S1, S2, ....) (S1=continuous)
environment (temperature)(more)
Mechanical part
_______________
dimensioning ( all parts can be done following plan)
diameter shaft
keyway (standard, flat, special)
special rear end shaft
foot (B3,...)( B3)
or flange (B5,B14,...)( B5)( B14)
(or both)
standard IEC, NEMA, or special
resilient base foot(more)
is the motor vertical or horizontal
if vertical, with rain cover ?
pumpfitment or other accessory(more)
terminal box(more)
brake (specify kind, tension, torque )(more)
gearbox (classic or integrated)(more)
noiseless
protection class ( IP )
housing:
dual housing(more)
stainless steel housing(more)
color