BLDC MotorLeadshine iSV-B integrated · 57 mm
iSV-B23130-S21
130 W integrated BLDC servo (0.45 N·m rated, 1.1 N·m peak) — a drop-in upgrade for stepper axes that need closed-loop speed.
Manufacturer datasheet: Leadshine (Shenzhen) · iSV-B23130-S21 ↗ (checked 2026-10-17)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: torque constant, resistance, inductance, no-load current, rotor inertia, pole count, shaft diameter, insulation class, IP rating.
How this motor is made
Full manufacturing overview: 57 mm Integrated BLDC Motor (built-in driver) →- 1. Lamination stamping & interlocking
- 2. Stator insulation
- 3. Winding
- 4. Terminal connection
- 5. Stator in-process test
- 6. Impregnation & curing
- 7. Rotor assembly
- 8. Magnetizing
- 9. Rotor balancing
- 10. Driver integration
- 11. Final assembly
- 12. End-of-line test
Export certification: Low-voltage motor with integrated driver
- Rated power
- 141 W
- Rated torque
- 0.45 N·m
- Rated speed
- 3,000 rpm
- Rated efficiency
- 72.7 %
Performance curves
Right axis:
SpeedEfficiency (right axis)
Calculated with the linear DC-motor model (constant 36 V supply, ignoring resistance rise with temperature).
Full specifications
General
- Motor type
- BLDC Motor
- Series
- Leadshine iSV-B integrated
- Frame / flange
- 57 mm
Rated Values
- Rated voltage
- 36 V
- Rated power
- 141 W
- Rated torque
- 0.45 N·m
- Rated speed
- 3,000 rpm
- Rated current
- 5.4 A
Performance
- Stall torque
- 2.23 N·m
- No-load speed
- 3,759 rpm
- Rated efficiency
- 72.7 %
- Peak efficiency
- 76.4 %
Electrical
- Torque constant Kt
- 0.09 N·m/A
- Back-EMF constant Ke
- 9.42 V/krpm
- Resistance
- 1.43 Ω
- Inductance
- 1.8 mH
- No-load current
- 0.4 A
- Stall current
- 25.2 A
- Electrical time constant
- 1.26 ms
Mechanical
- Rotor inertia
- 170 g·cm²
- Body length
- 128 mm
- Shaft diameter
- 8 mm
- Weight
- 1.25 kg
- Power density
- 113 W/kg
- Protection
- IP40
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 |
|---|---|---|---|---|---|
| APS-06D48-RALTE | TechServo | BLDC, Servo, DC | 18–48 V DC | 6 A / 18 A | Incremental encoder, Hall sensors, Sensorless |
| ZM-BL4810F | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| ZM-BL48D10 | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| ZM-BL4810K | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| DBL-2420R | Mayi Motor | BLDC | 22–36 V DC | 10 A | |
| DBL-4820R | Mayi Motor | BLDC | 27–56 V DC | 10 A |
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