Integrated servo motor
maxon IDX integrated servo motor
IP65 brushless servo motor with an integrated EPOS4 positioning controller, offered in 56 mm and 70 mm square frames.
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Need maxon parts, a replacement or another suitable option? Send your part number or describe what the machine needs to do. We connect your requirement with experienced UK engineering and procurement support to help you get the right products, pricing and supply options. Your matched provider can take the enquiry through quotation and ordering to delivery and after-sales support.
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Select everything you need. A motor, drive and gearbox can be specified together as one axis.
Key specifications
| Ingress protection | IP65 |
|---|---|
| Rated torque (max) | 3.75 Nm |
| Speed (max) | 8,000 rpm |
| Power (max) | 900 W |
| Frame sizes | 56, 70 mm |
| Supply | 24 / 48 / 60 V |
| Feedback | absolute single-turn or multi-turn encoder |
| Fieldbus | EtherCAT, CANopen, I/O |
Summarised in our own words from maxon group (maxon motor ag)'s published data; series maxima, individual models vary. Last checked 2026-10-29. Source 1 · Source 2 · Source 3
Notes on this data
Conflict: compact-drives page gives rated torque up to 3,167 mNm, 550-750 W and 6,000 rpm for IDX 70; IDX 70 brochure (05/25) gives IDX 70 L 3,750 mNm, 900/954 W and drive speed up to 8,000 rpm. Brochure values stored. IDX 56: up to 0.7 Nm cont, 1.5 Nm peak (48 V), 12-48 V, 12-bit absolute.
Specify Motion is not affiliated with maxon group (maxon motor ag). maxon and IDX are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
maxon IDX replacement and alternative options
Use these supply-network options as a starting point for an engineering check. We can also help source the original maxon part. Published series figures do not establish an exact-model or drop-in replacement: confirm ratings, fit, interfaces and approvals for your application.
Kinco integrated servo motors at 400 W to 1 kW in 60 and 80 mm flanges with optional STO, optional brake, IP20 or IP65 housings and Modbus, CANopen, EtherCAT or Profinet interfaces.
| Published maximum | IDX | iSMD Integrated Servo Motors (iSMD60D/… |
|---|---|---|
| Rated torque | 3.75 Nm | — |
| Speed | 8,000 rpm | — |
| Power | 900 W | 1,000 W meets or exceeds |
Compact Kinco AC servo motors from 50 W to 3 kW with absolute encoders (17-bit single-turn or 16-bit multi-turn), in 40-130 mm frames for use with FD2S and CD2S drives.
| Published maximum | IDX | SMC Series AC Servo Motors (SMC40S/60S… |
|---|---|---|
| Rated torque | 3.75 Nm | 14.3 Nm meets or exceeds |
| Speed | 8,000 rpm | — |
| Power | 900 W | 3,000 W meets or exceeds |
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 | IDX | SMH Series AC Servo Motors (SMH40S-SMH… |
|---|---|---|
| Rated torque | 3.75 Nm | 48 Nm meets or exceeds |
| Speed | 8,000 rpm | — |
| Power | 900 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.
Typical applications
What an integrated servo motor is
An integrated servo motor combines the servo motor, drive and feedback, and often a motion controller, in one housing. Power and communications connect directly to the motor, often over a single hybrid cable or a shared DC bus, so there is no separate drive in the cabinet. Control is by pulse, analogue, fieldbus or industrial Ethernet, and many units support stored motion profiles. The motor is usually brushless with an absolute or high-resolution encoder.
When engineers choose an integrated servo motor
Choose an integrated servo for distributed or modular machines, AGVs, and where cabinet space and wiring are limited. Fewer components and shorter cables simplify installation. The trade-offs are heat, power range and service: electronics sit on the motor in the machine environment, power is typically limited to a few hundred watts or a few kilowatts, and a failure means replacing the whole unit. For high-power or harsh-environment axes, separate drives are often better.
How to specify the maxon IDX
Send these with your enquiry and an engineer can confirm the right IDX variant or an equivalent:
- Power and continuous torque (W, Nm)
- Speed (rpm)
- Supply voltage: low-voltage DC or mains (V)
- Communication interface and protocol
- Feedback type and absolute position
- Safety functions such as STO
- IP code, ambient temperature and connectors
Common mistakes to avoid
- Mounting in a hot location and derating the integrated electronics
- Assuming all protocols are supported on all variants
- Leaving out STO where the risk assessment requires it
- Forgetting about spares when drive and motor are one part
maxon IDX: frequently asked questions
Can you help replace maxon IDX 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 maxon IDX?
IP65 brushless servo motor with an integrated EPOS4 positioning controller, offered in 56 mm and 70 mm square frames. Published series figures include rated torque 3.75 Nm, speed 8,000 rpm, power 900 W. It is made by maxon group (maxon motor ag); Specify Motion can help source it or propose an equivalent.
Who makes the maxon IDX?
The maxon IDX is made by maxon (maxon group (maxon motor ag)) and is listed here for engineers comparing options. Specify Motion is not affiliated with maxon group (maxon motor ag); brand names are used only to identify the product.
What is the rated torque of the maxon IDX?
The published series maximum rated torque is 3.75 Nm. Individual models and sizes in the IDX 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 maxon IDX?
We can assess suitable replacement options. On published figures, Kinco iSMD Integrated Servo Motors (iSMD60D/80D) and Kinco SMC Series AC Servo Motors (SMC40S/60S/80S/130D) are options to assess from our supply network. An engineer confirms the fit against your application before recommending anything.
What are the benefits of an integrated servo motor?
An integrated servo reduces cabinet space, wiring and installation time because the drive is built into the motor. Shorter motor cables reduce EMC issues. This suits modular and mobile machines. The trade-off is that the electronics share the motor's environment and the whole unit must be replaced on a fault.
Do integrated servo motors support safe torque off?
Many do, as an option on selected models. STO removes power that could produce torque without removing the supply, and is used as a safety function in machine guarding. Check the safety integrity level or performance level achieved and that the variant you choose includes it.
Further reading: How to select an integrated servo motor · How to select a servo motor · Servo and stepper motors
Other integrated servo motor series
Engineer support
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