1550938

Name: Festo 1550938 Servomotor EMMS-AS-70-MK-LS-RR
Brand: Festo

Servomotor EMMS-AS-70-MK-LS-RR

The Festo part number 1550938 is an industrial component featuring 4 pole pairs, a nominal operating voltage of 360 V DC, a standstill torque of 2.56 Nm, and a nominal torque of 2.29 Nm with star inside winding. Built with insulation protection class F, IP54 protection, and a PTC resistor for temperature monitoring, it conforms to IEC 60034 and EN 60034-1 S1 rating class, operating in ambient temperatures from -40 to 40 °C. The unit includes a DIN 6885 A 4 x 4 x 16 featherkey shaft design, a plug electrical connector system, and materials conforming to RoHS with a CRC 2 moderate corrosion resistance classification, carrying RCM and c UL us authorizations along with CE conformity to EU-EMV and low voltage guidelines. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this Festo component.

Request pricing and availabilityCommercial response within one business day for your destination and required quantity.

Request a Quote

Why 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: 1550938
Data verification: Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 1550938.

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 ... 40 °C
Storage temperature: -20 ... 60 °C
Relative air humidity: 0 - 90 %
Conforms to standard: IEC 60034
Insulation protection class: F
Rating class according to EN 60034-1: S1
Temperature monitoring: PTC resistor
Protection class: IP54
Shaft design Featherkey: DIN 6885 | A 4 x 4 x 16
Electrical connector system: Plug
Materials note: Conforms to RoHS
Corrosion resistance classification CRC: 2 - Moderate corrosion stress
Authorization: RCM Mark | c UL us - Recognized (OL)
CE symbol (see declaration of conformity): according to EU-EMV guideline | according to EU low voltage guideline
Nominal operating voltage DC: 360 V
Nominal voltage DC: 360 V
Type of winding switch: Star inside
Number of pole pairs: 4
Standstill torque: 2.56 Nm
Nominal torque: 2.29 Nm
Peak torque: 7.75 Nm
Nominal rotary speed: 4,100 1/min
Max. speed: 4,880 1/min
Nominal motor power: 1,061 W
Nominal motor current: 2.6 A
Peak current: 10 A
Motor constant: 0.864 Nm/A
Voltage constant, phase-to-phase: 52.2 mVmin
Phase-phase winding resistance: 6.71 Ohm
Phase-phase winding inductance: 13.44 mH
Overall mass moment of inertia at power take-off: 0.62 kgcm2
Product weight: 2,790 g
Permissible axial shaft load: 75 N
Permissible radial shaft load: 200 N
Rotor position sensor: Resolver
Rotary position encoder interface: SIN/COS analogue signal
Rotary position encoder measuring principle: Inductive
MTTF, subcomponent: 80 years, rotary position encoder
MTTFd, subcomponent: 160 years, rotary position encoder

Engineering context

Identification and RFQ Guidance

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.

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 1550938. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.