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Festo
1550904
Servomotor EMMS-AS-70-S-HS-RS
The Festo industrial component, part number 1550904, operates with a nominal DC voltage of 565 V, 4 pole pairs, and a star inside winding switch type, delivering a standstill torque of 1.5 Nm, nominal torque of 1.31 Nm, and peak torque of 5.17 Nm under an S1 rating class according to EN 60034-1. Built with an IP54 protection class, insulation class F, PTC resistor temperature monitoring, and CRC 2 moderate corrosion resistance, it functions within an ambient temperature range of -10 to 40 °C, storage temperatures from -20 to 60 °C, and 0 to 90 percent relative air humidity. This RoHS-compliant unit conforms to IEC 60034, carries RCM and c UL us authorizations, and complies with CE EU-EMV and low voltage guidelines via a plug electrical connector system. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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- Festo
- Part number
- 1550904
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 1550904.
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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 operating voltage DC
- 565 V
- Nominal voltage DC
- 565 V
- Type of winding switch
- Star inside
- Number of pole pairs
- 4
- Standstill torque
- 1.5 Nm
- Nominal torque
- 1.31 Nm
- Peak torque
- 5.17 Nm
- Nominal rotary speed
- 5,800 1/min
- Max. speed
- 6,460 1/min
- Nominal motor power
- 794 W
- Nominal motor current
- 1.29 A
- Peak current
- 5.9 A
- Motor constant
- 1.016 Nm/A
- Voltage constant, phase-to-phase
- 61.83 mVmin
- Phase-phase winding resistance
- 22.442 Ohm
- Phase-phase winding inductance
- 31.785 mH
- Overall mass moment of inertia at power take-off
- 0.379 kgcm2
- Product weight
- 2,100 g
- Permissible axial shaft load
- 75 N
- Permissible radial shaft load
- 150 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
- MTTF, subcomponent
- 76 years, rotary position encoder
- 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 1550904. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.