8156166

Name: Festo 8156166 Stepper motor EMMT-ST-42-S-RMB
Brand: Festo

Stepper motor EMMT-ST-42-S-RMB

The Festo part number 8156166 is an industrial component conforming to IEC 60034 with an S1 rating class and thermal class B according to EN 60034-1. This unit features an IP40 engine shaft and IP65 motor housing with integrated M17x0.75 hybrid plug connection technology, supporting any mounting position and digital motor temperature monitoring per BiSS-C. Operating parameters include an ambient temperature range of 0 °C to 40 °C, maximum installation height of 4000 m, and RoHS compliant materials. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 8156166
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Technical Specifications

Ambient temperature: 0 °C...40 °C
Note on ambient temperature: up to 80°C with derating -2%/°C
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: -20 °C...70 °C
Relative air humidity: 0 - 90% | Non-condensating
Conforms to standard: IEC 60034
Thermal class according to EN 60034-1: B
Max. winding temperature: 130 °C
Rating class according to EN 60034-1: S1
Temperature monitoring: 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
Note on degree of protection: IP40 engine shaft | IP65 for motor housing, incl. connection technology
Interface code, motor out: 42A
Electrical connection 1, connection type: Hybrid plug
Electrical connection 1, connection technology: M17x0.75
Electrical connection 1, number of pins/wires: 12
Note on materials: RoHS compliant
Corrosion resistance class (CRC): 0 - No corrosion stress
LABS (PWIS) conformity: VDMA24364 Zone III
Vibration resistance: Transport application test with severity level 2 as per FN 942017-4 and | EN 60068-2-6
Shock resistance: Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27
Certication: RCM compliance mark | c UL us - recognized (OL)

Engineering context

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Our sourcing response is prepared against Festo 8156166. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.