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2 Specifications
MITSUBISHI CNC
2 - 32
< SJ-4-V Series (High-speed) >
(Note 1) The rated output is guaranteed at the rated input voltage (380 to 440VAC 50Hz / 380 to 480VAC 60Hz)
to the power supply unit. If the input voltage fluctuates and drops below 380VAC, the rated output may
not be attained.
(Note 2) The tolerable radial load is the value calculated at the center of output shaft.
Spindle motor type SJ-4-V3.7-05ZT SJ-4-V7.5-13ZT SJ-4-V11-22ZT SJ-4-V11-23ZT SJ-4-V22-18ZT SJ-4-V30-15ZT
Compatible
spindle drive
unit type
MDS-DH-SP- 20 80 100 160
Output
capacity
Continuous rating [kW] 2.2 5.5 5.5 7.5 11 18.5
Short time rating [kW]
3.7
(15-minute
rating)
7.5
(30-minute
rating)
7.5
(30-minute
rating)
11
(30-minute
rating)
15
(30-minute
rating)
22
(30-minute
rating)
Power facility capacity [kVA] 6.7 13.4 13.4 19.6 26.7 39.0
Base rotation speed [r/min] 3000 1500
Maximum rotation speed [r/min] 15000 12000 8000
Frame No. A90 A112 B112 A160 B160
Continuous rated torque [N•m] 7.0 35.0 35.0 47.7 70.0 118
GD
2
[kg•m
2
]
0.027 0.098 0.098 0.12 0.23 0.32
Inertia [kg•m
2
]
0.007 0.025 0.025 0.03 0.06 0.08
Tolerable radial load [N] 490 980 1470 1960
Cooling fan
Input voltage
Single-phase
400V
3-phase 400V
Maximum power
consumption
30W 70W 72W
Environment
Ambient temperature Operation: 0 to 40°C (with no freezing), Storage: -20°C to 65°C (with no freezing)
Ambient humidity Operation: 90%RH or less (with no dew condensation), Storage: 90%RH or less (with no dew condensation)
Atmosphere Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist, or dust
Altitude
Operation: 1000 meters or less above sea level, Storage: 1000 meters or less above sea level,
Transportation: 10000 meters or less above sea level
Degree of protection IP44
Flange size [mm] 174 SQ. 204 SQ. 204 SQ. 204 SQ. 250 SQ. 250 SQ.
Total length (excluding shaft) [mm] 300 440 440 490 469.5 539.5
Flange fitting diameter [mm] φ150 φ180 φ180 φ180 φ230 φ230
Shaft diameter [mm] φ28 φ32 φ32 φ48 φ48 φ55
Mass [kg] 25 60 70 125 155
Heat-resistant class F (155°C)
For outline dimension drawings, refer to "DRIVE SYSTEM DATA BOOK" (IB-1500273(ENG)).