DC servo motor
Leadshine ELVM Series Low-Voltage DC Servo Motors
Leadshine low-voltage PMSM servo motors from a 25 mm 33 W unit up to a 130 mm 2 kW unit, wound for 24-60 V DC buses. Fully published data covers torque to 6.4 Nm rated / 16 Nm peak, 17-bit absolute or 2500 ppr incremental encoders and IP65. Designed for ELD2, 2ELD2 and ELD3 drives.
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What are you specifying?
Select everything you need. A motor, drive and gearbox can be specified together as one axis.
Key specifications
| Ingress protection | IP65 |
|---|---|
| Rated torque | 0.105–6.4 Nm |
| Peak torque (max) | 16 Nm |
| Speed (max) | 6,000 rpm |
| Rated speed | 1000-3000 |
| Power | 33–2,000 W |
| Frame sizes | 25, 40, 60, 80, 130 mm |
| Supply | 24-48 VDC (winding optimised for 24-60 VDC bus) |
| Feedback | 17-bit multi-turn absolute magnetic (M17), 2500 ppr optical incremental (B25), 23-bit optical single-turn (E23S, 25 mm only) |
| Continuous current (max) | 48.5 A |
| Peak current (max) | 121.3 A |
| Overload | up to 300% |
| Inertia | 0.006-17.71 x10^-4 kg.m2 |
Series ranges as published; individual models vary. The full datasheet, drawings and CAD models are available on request.
Leadshine ELVM Series Low-Voltage DC Servo Motors replacement and alternative options
Use these supply-network options as a starting point for an engineering check. We can also help source the original Leadshine part. Published series figures do not establish an exact-model or drop-in replacement: confirm ratings, fit, interfaces and approvals for your application.
Low-voltage (24-48 VDC) brushless servo motors with a 12-slot/10-pole low-cogging design, IP65 and a choice of optical or magnetic, incremental or absolute encoders. Matched to Kinco FD1 and OD drives for battery-powered and mobile machines.
| Published maximum | ELVM Series Low-Voltage DC Servo Motors | SMC Series Low-Voltage DC Servo Motors |
|---|---|---|
| Rated torque | 6.4 Nm | — |
| Peak torque | 16 Nm | — |
| Speed | 6,000 rpm | — |
| Power | 2,000 W | 3,000 W meets or exceeds |
Low-voltage brushless DC servo motors for 48 or 96 VDC systems, with a 12-slot/10-pole design, matched to the Kinco FD1X5 drive and aimed at robotics, CNC and automated lines.
| Published maximum | ELVM Series Low-Voltage DC Servo Motors | SMK Series Low-Voltage DC Servo Motors |
|---|---|---|
| Rated torque | 6.4 Nm | — |
| Peak torque | 16 Nm | — |
| Speed | 6,000 rpm | — |
| Power | 2,000 W | 5,000 W meets or exceeds |
Kinco's current-generation AC servo motor line, matched to the JD2 and FD5P PRO drives. Small-inertia 40-80 mm frames run at 3000 rpm on 220 V; large-inertia 130 and 180 mm frames are 1500 rpm machines reaching 47.8 Nm rated and 7.5 kW, with 23-bit multi-turn absolute encoders as standard.
| Published maximum | ELVM Series Low-Voltage DC Servo Motors | SMK Series AC Servo Motors (SMK40S/60S… |
|---|---|---|
| Rated torque | 6.4 Nm | 47.8 Nm meets or exceeds |
| Peak torque | 16 Nm | 119.5 Nm meets or exceeds |
| Speed | 6,000 rpm | 6,000 rpm meets or exceeds |
| Power | 2,000 W | 7,500 W meets or exceeds |
Figures are the highest published for each series and are not always measured the same way. A higher figure is not automatically a better choice: mounting, duty cycle, feedback, connectors and approvals matter too. An engineer will check the fit against your application before recommending anything.
Options
- Optional brake with oil seal (E) or oil seal only (F)
- SP21 direct or HD aviation connectors
- Insulation class F
Typical applications
What a DC servo motor is
A DC servo motor, in current usage, is usually a low-voltage brushless permanent-magnet motor designed to run from a DC bus, typically 24 to 96 V, under closed-loop servo control. Electronically it works like an AC servo, with a three-phase stator commutated by the drive and encoder or Hall feedback on the shaft. The lower voltage means higher current for the same power, but suits battery-powered and safety-extra-low-voltage machines. Small precision brushless servomotors also fall into this group.
When engineers choose a DC servo motor
Choose a low-voltage DC servo for mobile robots, AGVs, battery equipment, medical devices and compact machines where mains voltage is impractical or unsafe. It allows simple power distribution and safe access. The trade-offs are current and power range: high current means thicker cables and higher losses, so power is typically limited to a few kilowatts. For mains-powered machines above that, an AC servo is usually simpler.
How to specify the Leadshine ELVM Series Low-Voltage DC Servo Motors
Send these with your enquiry and an engineer can confirm the right ELVM Series Low-Voltage DC Servo Motors variant:
- Bus voltage (V DC) and battery range
- Continuous and peak torque (Nm)
- Rated and maximum speed (rpm)
- Continuous and peak current (A)
- Feedback type and resolution
- Brake, IP code and frame size (mm)
- Drive and network interface
Common mistakes to avoid
- Sizing at nominal battery voltage without checking the low-charge end
- Undersizing cables for the higher current
- Ignoring regenerative energy into a battery or supply
- Mixing motor and drive feedback types that are not compatible
Leadshine ELVM Series Low-Voltage DC Servo Motors: frequently asked questions
Can you help replace Leadshine ELVM Series Low-Voltage DC Servo Motors or source the original?
Send the full model code, quantity and required date. Our engineers can check original-part availability and assess suitable alternatives, including supply-network options where appropriate. We confirm compatibility and any changes needed before recommending a replacement.
What is the Leadshine ELVM Series Low-Voltage DC Servo Motors?
Leadshine low-voltage PMSM servo motors from a 25 mm 33 W unit up to a 130 mm 2 kW unit, wound for 24-60 V DC buses. Fully published data covers torque to 6.4 Nm rated / 16 Nm peak, 17-bit absolute or 2500 ppr incremental encoders and IP65. Designed for ELD2, 2ELD2 and ELD3 drives. Published series figures include rated torque 0.105 Nm, rated torque 6.4 Nm, peak torque 16 Nm, speed 6,000 rpm. It is available through our supply network, and our engineers can confirm the right variant for your application.
Who makes the Leadshine ELVM Series Low-Voltage DC Servo Motors?
The Leadshine ELVM Series Low-Voltage DC Servo Motors is made by Leadshine (Leadshine Technology) available through our supply network. Send us your requirement for pricing, lead time, datasheets and CAD.
What is the rated torque of the Leadshine ELVM Series Low-Voltage DC Servo Motors?
The published series minimum rated torque is 0.105 Nm. Individual models and sizes in the ELVM Series Low-Voltage DC Servo Motors range vary, so check the exact variant against your duty cycle, mounting and environment, or ask our engineers to confirm the right size for you.
Is there an alternative to the Leadshine ELVM Series Low-Voltage DC Servo Motors?
We can assess suitable replacement options. On published figures, Kinco SMC Series Low-Voltage DC Servo Motors and Kinco SMK Series Low-Voltage DC Servo Motors are options to assess from our supply network. An engineer confirms the fit against your application before recommending anything.
What is the difference between an AC servo and a DC servo motor?
Both are typically brushless permanent-magnet motors under closed-loop control. The main difference is the supply: AC servos are wound for drives fed from mains voltage, while DC servos are wound for low-voltage DC buses. DC servos suit battery and low-voltage machines; AC servos suit higher-power mains machines.
How does battery voltage affect a DC servo motor?
Motor speed is roughly proportional to available voltage, so as a battery discharges the top speed falls. Size the motor at the lowest working battery voltage. Also allow for regenerative energy during braking, which raises bus voltage and must be absorbed by the battery or a braking circuit.
Further reading: How to select a servo motor · How to select a dc motor · Servo and stepper motors
Often compared with
Engineers specifying this series often compare it with:
Other dc servo motor series
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