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Festo
550120
Servomotor EMMS-AS-70-M-LS-RSB
The Festo part number 550120 is an industrial component featuring a nominal DC voltage of 360 V, a standstill torque of 2.56 Nm, a nominal torque of 2.29 Nm, a peak torque of 7.75 Nm, and a nominal rotary speed of 4,100 1/min across 4 pole pairs with a star-inside winding switch. Constructed with RoHS-conforming materials and a CRC 2 moderate corrosion resistance classification, it provides IP54 protection, insulation class F, and an S1 rating class according to EN 60034-1 while conforming to IEC 60034 with integrated PTC resistor temperature monitoring. It operates within an ambient temperature range of -10 to 40 °C, a storage temperature range of -20 to 60 °C, and 0 to 90 % relative air humidity, utilizing a plug electrical connector system and carrying RCM Mark, c UL us recognition, and CE symbols per EU-EMV and low voltage guidelines. Submit the exact part number, quantity, and application requirements for a formal quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 550120
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 550120.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Ambient temperature
- -10 ... 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
- 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 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
- 6,450 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
- 0.68 kgcm2
- Product weight
- 2,900 g
- Permissible axial shaft load
- 75 N
- Permissible radial shaft load
- 200 N
- Rotor position sensor
- Absolute single turn encoder
- Rotary position encoder interface
- EnDat 22
- Rotary position encoder measuring principle
- Inductive
- Rotor position encoder resolution
- 18 Bit
- Brake holding torque
- 2 Nm
- Operating voltage DC for brake
- 24 V
- Power consumption, brake
- 11 W
- Mass moment of inertia of brake
- 0.073 kgcm2
- Switching cycles, holding brake
- 10 million idle actuations (without friction work)
- MTTF, subcomponent
- 76 years, rotary position encoder | 1769 years, holding brake
- MTTFd, subcomponent
- 152 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 550120. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.