Nidec Control Techniques Digitax-SF DA22423 - Page 34

11
35
38
LL
210 210
φ19 h6
φ70 h7
22
25
15.5 6
6 h9
M5
Depth10
φ90
53
□80
4-φ 6.6
M6 (L≥14 mm)
750 W
（mm）
MX751 □ 2 □ □ ＊＊
2. Specications
1. Motor
Item Unit Specications
Rotor inertia – Low
Fitting flange size mm 80 sq.
Approximate mass
Without brake
kg
2.2
With brake 3.0
Compatible drive model – DA238 _ _
Voltage V AC200 V to 240
V
Rated output power W 750
Rated torque N･m 2.39
Instantaneous maximum torque N･m 7.1
Rated current（stall current） A 4.2
Instantaneous maximum current A 12.2
Rated revolving speed
rpm
3,000
Maximum revolving speed
rpm
6,000
Torque constant N・m / A 0.63
Induced voltage constant per phase
mV/(rpm) 21.9
Rated power rate
Without brake
kW/s
76.6
With brake 60.7
Mechanical time
constant
Without brake
ms
0.40
With brake 0.50
Electrical time constant ms 4.60
Rotor moment of
inertia
Without brake
×10
－4
k g・m
2
0.74
With brake 0.94
Item Unit Specifications
Usage – Holding
Rated voltage V DC 24 V ± 10 %
Rated current A 0.4
Static friction torque N･m
≥
2.39
Engage time ms
≤
70
Release time ms
≤
20
Release voltage V
≥
DC 1 V
Item Unit Specifications
Radial N 392
Thrust N 147
10.0
0.0
6.0
8.0
4.0
20
04
0
50
100
20
04
0
50
100
75
90
2.0
RotationalSpeedvs.Torque DeratingCurve
Withoutoilseal
Withoilseal
Torque[N･m]
Speed[rpm]
AmbientTemperature[℃]
RatedTorqueRatio[%]
AtSingle-phaseAC200V
0 600050004000300020001000 7000
Instantaneous
operationrange
Continuousoperationrange
Brake Without With
Motor Model MX751N MX751A
LL 107.3 144.3
Motor Model :
Digitax SF Instruction Manual