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6/8 BCN-C22005-639
1.5 Specification of the premium high-efficiency IPM motor [MM-THE4 (1500r/min)
series]
Motor specification
*1 Output and rated motor speed are not guaranteed when the power supply voltage drops.
Motor torque characteristic
The following figure shows the torque characteristic of a premium high-efficiency IPM motor [MM-THE4
(1500r/min) series] when used with an inverter.
Motor type MM-THE4
Applicable inverter
FR-F720P-K FR-F740P-K
75 75 90
Continuous
characteristic
*1
Rated output (kW)
75 75 90
Rated torque (Nm)
477 477 573
Rated speed (r/min)
1500
Maximum speed (r/min)
1800
Number of poles
6
Maximum torque
120% 60s
Frame number
250MA 250MA 250MD
Moment of inertia (10
-4
kgm
2
)
6000 6000 10000
Rated current (A)
270 135 170
Structure
Totally-enclosed fan-cooled motor. With molded frame legs.
(protective structure IP44)
Insulation class
F class
Vibration class
V-25
Environment
Surrounding air temperature
and humidity
-10°C to +40°C (non-freezing) 90%RH or less (non-condensing)
Storage temperature and
humidity
-20°C to +70°C (non-freezing) 90%RH or less (non-condensing)
Atmosphere
Indoors (not under direct sunlight), and free from corrosive gas,
flammable gas, oil mist, dust and dirt.
Altitude
Maximum 1,000m above sea level
Vibration
4.9m/s
2
Mass (kg)
470 470 610
REMARKS
The motor can also be used for applications where the rated speed is 1800r/min.
CAUTION
The torque characteristic is when the armature winding temperature is 20°C, and the input voltage to the inverter is
200V AC or 400V AC.
Constant-speed operation cannot be performed for the speed of 150r/min or less.
Speed [r/min]
Torque[%]
0
150
500 180
0
0
140
120
100
60
80
40
20
300 900 1200 1500
Short-time (60s) maximum torque
Continuous operation
torque
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