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Festo
1550939
Servomotor EMMS-AS-70-MK-LS-RRB
The Festo 1550939 is an industrial component featuring a nominal DC voltage of 360 V, a standstill torque of 2.56 Nm, and a nominal torque of 2.29 Nm with four pole pairs and an internal star winding switch. Built with an IP54 protection class, insulation class F, and a DIN 6885 A 4 x 4 x 16 featherkey shaft design, it operates within an ambient temperature range of -40 to 40 °C and conforms to IEC 60034 and EN 60034-1 S1 rating classes. The unit includes PTC resistor temperature monitoring, a plug electrical connector system, RoHS-compliant materials, and CRC 2 moderate corrosion resistance, backed by RCM, c UL us recognized, and CE authorizations for EU-EMV and low voltage guidelines. Submit the exact part number, quantity, and application requirements for a quote.
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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
- 1550939
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 1550939.
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
- 0.69 kgcm2
- Product weight
- 2,990 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
- Brake holding torque
- 2 Nm
- Operating voltage DC for brake
- 24 V
- Power consumption, brake
- 11 W
- Mass moment of inertia of brake
- 0.07 kgcm2
- Switching cycles, holding brake
- 10 million idle actuations (without friction work)
- MTTF, subcomponent
- 80 years, rotary position encoder | 1769 years, holding brake
- MTTFd, subcomponent
- 160 years, rotary position encoder
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 1550939. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.