Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Festo
8171399
Servo Motor EMMT-...-40-
The Festo part number 8171399 is an industrial component conforming to IEC 60034 with an S1 rating class, thermal class F, and a max winding temperature of 155 °C. It features a G 2.5 balancing quality, a detent torque under 1.0% of peak torque, and a bearing lifetime of 20000 hours under nominal conditions. The unit operates in ambient temperatures from -40 °C to 40 °C (up to 80 °C with a -2.25% per °C derating) at installation heights up to 4000 m, provides IP40 or IP65 protection depending on the rotary shaft seal, and incorporates digital motor temperature transmission via EnDat® 2.2 or BiSS-C. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 8171399
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 8171399.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Ambient temperature
- -40 °C...40 °C
- Note on ambient temperature
- Up to 80 °C with derating of -2.25% per degree Celsius
- Max. installation height
- 4000 m
- Information on max. installation height
- with 1,000 m and longer only with derating of -1.0% per 100 m
- Storage temperature
- -40 °C...70 °C
- Relative air humidity
- 0 - 90%
- Conforms to standard
- IEC 60034
- Thermal class according to EN 60034-1
- F
- Max. winding temperature
- 155 °C
- Rating class according to EN 60034-1
- S1
- Temperature monitoring
- Digital motor temperature transmission via EnDat® 2.2 | Dig. Motor temperature per BiSS-C
- Motor type as per EN 60034-7
- IM B5 | IM V1 | IM V3
- Mounting position
- Any
- Degree of protection
- IP40 | IP65
- Note on degree of protection
- IP40 for motor shaft without rotary shaft seal | IP65 for motor shaft with rotary shaft seal
- Concentricity, coaxiality, axial runout according to DIN SPEC 42955
- N
- Balancing quality
- G 2.5
- Detent torque
- <1.0% of peak torque
- Bearing lifetime, under nominal conditions
- 20000 h
- Featherkey shaft design
- DIN 6885 | A 3 x 3 x 12
- Interface code, motor out
- 40P
- Electrical connection 1, connection type
- Hybrid plug
- Electrical connection 1, connection technology
- M17x0.75 | M23x1
- Electrical connection 1, number of pins/wires
- 12
- Contamination level
- 2
- Note on materials
- RoHS compliant
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 8171399. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.