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Festo
1704778
Servomotor EMMS-AS-70-S-HV-RRB
The Festo part number 1704778 is an industrial component featuring a nominal DC voltage of 565 V, four pole pairs, a standstill torque of 1.62 Nm, a nominal torque of 1.28 Nm, and a peak torque of 5.17 Nm with a star inside winding switch type. Built with insulation protection class F, a PTC resistor for temperature monitoring, and IP54 protection class, this component conforms to IEC 60034 and EN 60034-1 rating class S1 while operating within an ambient temperature range of -40 to 40 °C and a storage temperature range of -20 to 60 °C. It carries RCM Mark and c UL us Recognized (OL) authorizations alongside CE compliance according to EU-EMV and low voltage guidelines, featuring a 0 to 90% relative air humidity operating envelope, RoHS-compliant materials, and a CRC corrosion resistance classification of 2 for moderate corrosion stress. Submit the exact part number, quantity, and application requirements to request 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
- 1704778
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 1704778.
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
- 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
- 1.62 Nm
- Nominal torque
- 1.28 Nm
- Peak torque
- 5.17 Nm
- Nominal rotary speed
- 7,400 1/min
- Max. speed
- 8,200 1/min
- Nominal motor power
- 992 W
- Nominal motor current
- 1.6 A
- Peak current
- 7.5 A
- Motor constant
- 0.798 Nm/A
- Voltage constant, phase-to-phase
- 48.72 mVmin
- Phase-phase winding resistance
- 11.935 Ohm
- Phase-phase winding inductance
- 19.741 mH
- Overall mass moment of inertia at power take-off
- 0.46 kgcm2
- Product weight
- 2,390 g
- Permissible axial shaft load
- 75 N
- Permissible radial shaft load
- 150 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 1704778. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.