AC servo motor
Allen-Bradley Kinetix VPL Low-inertia Servo Motors
Low-inertia rotary servo motor line with single-cable digital feedback, sized for Kinetix 5500 and 5700 drives in 200 V and 400 V classes.
Key specifications
| Ingress protection | IP50 without shaft seal; IP66 with optional shaft seal and approved 2090 cables |
|---|---|
| Rated torque | 0.46–33 Nm |
| Peak torque (max) | 79 Nm |
| Speed (max) | 8,000 rpm |
| Power | 190–7,160 W |
| Frame sizes | 63, 75, 100, 115, 130, 165 mm |
| Supply | 200 V class (VPL-A) and 400 V class (VPL-B) |
| Feedback | 18-bit single-turn absolute, 18-bit multi-turn absolute, SIL 2 rated encoder options |
Summarised in our own words from Rockwell Automation's published data; series maxima, individual models vary. Last checked 2026-10-29. Source 1 · Source 2
Notes on this data
torque_Nm_rated_* are continuous stall torque (0.46-33 N.m); peak stall 1.33-79 N.m; rated output 0.19-7.16 kW. Source KNX-TD001J-EN-P, August 2024.
Specify Motion is not affiliated with Rockwell Automation. Allen-Bradley and Kinetix VPL Low-inertia Servo Motors are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Alternatives that meet or exceed these figures
Engineers often come to us with an Allen-Bradley part number and leave with an alternative that is easier to source, quicker to deliver or a better fit for the machine. These 3 series from our supply network are the closest match on published figures.
Kinco's established AC servo motor range from 40 to 180 mm frames, covering 50 W to 7.5 kW and up to 48 Nm rated torque. Standard feedback is a 2500-line incremental encoder with Hall commutation, with absolute options and a resolver on the 180 mm frame. Pairs with FD2S and CD2S drives.
| Published maximum | Kinetix VPL Low-inertia Servo Motors | SMH Series AC Servo Motors (SMH40S-SMH… |
|---|---|---|
| Rated torque | 33 Nm | 48 Nm meets or exceeds |
| Peak torque | 79 Nm | — |
| Speed | 8,000 rpm | — |
| Power | 7,160 W | 7,500 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 | Kinetix VPL Low-inertia Servo Motors | SMK Series AC Servo Motors (SMK40S/60S… |
|---|---|---|
| Rated torque | 33 Nm | 47.8 Nm meets or exceeds |
| Peak torque | 79 Nm | 119.5 Nm meets or exceeds |
| Speed | 8,000 rpm | 6,000 rpm |
| Power | 7,160 W | 7,500 W meets or exceeds |
Leadshine's AC servo motors for the EL8/EL7/EL6 drives: ELM1 is the economy line and ELM2 the general-purpose line, both with 23-bit absolute encoders, IP65/IP67 sealing and up to 3.5x overload. The catalogue extends ELM2M to 22 kW and previews a 26-bit ELM3.
| Published maximum | Kinetix VPL Low-inertia Servo Motors | ELM1 / ELM2 AC Servo Motors |
|---|---|---|
| Rated torque | 33 Nm | — |
| Peak torque | 79 Nm | — |
| Speed | 8,000 rpm | — |
| Power | 7,160 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.
Other ac servo motor series
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