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Festo
1704787
Servomotor EMMS-AS-70-S-HV-RSB-S1
The Festo part number 1704787 is an industrial component featuring a nominal operating and DC voltage of 565 V, a standstill torque of 1.62 Nm, a nominal torque of 1.28 Nm, and a peak torque of 5.17 Nm with 4 pole pairs and a star inside winding switch type. Certified with an IP65 protection class, insulation class F, and an S1 rating class according to EN 60034-1, this unit conforms to IEC 60034 and includes a PTC resistor for temperature monitoring via an electrical connector plug system. It operates within an ambient temperature range of -10 to 40 °C, supports storage temperatures from -20 to 60 °C, tolerates 0 to 90% relative air humidity, and features CRC 2 moderate corrosion stress resistance with RoHS-conforming materials. The assembly holds RCM Mark and c UL us Recognized (OL) authorizations while carrying the CE symbol according to EU-EMV and low voltage guidelines. Submit the exact part number, quantity, and application requirements for an RFQ quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 1704787
- Data verification
- Manufacturer evidence reviewed
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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
- IP65
- 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
- 0.449 kgcm2
- Product weight
- 2,300 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
- 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
- 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 1704787. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.