AC Servo MotorInovance MS1H3 medium inertia · 130 mm
MS1H3-85B15CB-A331R-INT
850 W, 220 V medium-inertia AC servo on a 130 mm flange (5.39 N·m rated, 1500 rpm) for machine-tool feed axes and heavy inertia loads.
Manufacturer datasheet: Inovance (Shenzhen) · MS1H3-85B15CB-A331R-INT ↗ (checked 2026-10-18)Maker profile & contacts →
Figures are copied from the maker’s published datasheet; curves are calculated from them. Confirm with the manufacturer before ordering. Not stated on the datasheet, estimated from it: resistance, inductance, pole count.
How this motor is made
Full manufacturing overview: AC Servo Motor (60–130 mm flange) →- 1. Lamination stamping & stacking
- 2. Stator insulation
- 3. Winding
- 4. Phase connection & lead termination
- 5. Stator in-process test
- 6. Impregnation & curing
- 7. Stator shrink-fit into housing
- 8. Rotor assembly
- 9. Magnetizing
- 10. Rotor balancing
- 11. Final assembly (bearings, brake, oil seal)
- 12. Encoder mounting & commutation alignment
- 13. End-of-line test
Export certification: Motor for high-voltage drives
- Rated power
- 850 W
- Rated torque
- 5.41 N·m
- Peak torque
- 13.5 N·m
- Rated / max speed
- 1500 / 4500
Performance curves
Intermittent zone limitContinuous zone limit
Illustrative curve; actual limits depend on drive voltage and cooling.
Full specifications
General
- Motor type
- AC Servo Motor
- Series
- Inovance MS1H3 medium inertia
- Frame / flange
- 130 mm
- Encoder
- 23-bit multi-turn absolute
Rated Values
- Rated voltage
- 220 V
- Rated power
- 850 W
- Rated torque
- 5.41 N·m
- Rated speed
- 1,500 rpm
- Rated current
- 6.6 A
Performance
- Peak torque
- 13.5 N·m
- Maximum speed
- 4,500 rpm
- Overload ratio
- 2.5 ×
Electrical
- Torque constant Kt
- 0.82 N·m/A
- Back-EMF constant Ke
- 85.9 V/krpm
- Resistance
- 1 Ω
- Inductance
- 6 mH
- Poles
- 10
Mechanical
- Rotor inertia
- 13.6 kg·cm²
- Body length
- 142 mm
- Shaft diameter
- 22 mm
- Weight
- 5.8 kg
- Power density
- 147 W/kg
- Protection
- IP67
Compatible drivers
All drivers →Drivers whose supply voltage covers this motor and whose continuous current is at least its rated current; drivers from the same maker first. Confirm Hall/encoder type and settings with the maker.
| Model | Maker | Motor type | Supply | Cont. / peak current | Feedback |
|---|---|---|---|---|---|
| SV605-S012 | Inovance | Servo | 200–240 V AC | 8.5 A / 23.1 A | Incremental encoder |
| EL8-RS1000F | Leadshine | Servo | 220–220 V AC | 7 A / 21.2 A | Incremental encoder |
| EL7-EC1500S | Leadshine | Servo | 220–220 V AC | 9.5 A / 12 A | Incremental encoder |
| EL6-EC2000 | Leadshine | Servo | 220–220 V AC | 12 A / 36 A | Incremental encoder |