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Festo
549404
Stepper motor EMMS-ST-42-S-S
The Festo part number 549404 is an industrial component operating at a nominal voltage of 48 V DC and a nominal motor current of 1.8 A, featuring a stepper angle of 1.8 deg with a tolerance of ±5% and insulation protection class B. This unit provides a motor holding torque of 0.5 Nm, a brake holding torque of 0.4 Nm, a rotor mass moment of inertia of 0.082 kgcm2, and an overall mass moment of inertia at power take-off of 0.082 kgcm2, while supporting a permissible axial shaft load of 7 N and a radial shaft load of 20 N. Built with an IP54 protection class and an electrical connector system plug, the 360 g device functions within ambient temperatures of -10 to 50 °C, storage temperatures of -20 to 70 °C, and relative air humidity levels of 45 to 80%, carrying the CE symbol according to the EU-EMV guideline alongside C-Tick authorization. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 549404
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 549404.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Stepper angle at full step
- 1.8 deg
- Stepper angle tolerance
- ±5%
- Insulation protection class
- B
- Nominal voltage DC
- 48 V
- Nominal motor current
- 1.8 A
- CE symbol (see declaration of conformity)
- according to EU-EMV guideline
- Storage temperature
- -20 ... 70 °C
- Relative air humidity
- 45 - 80 %
- Protection class
- IP54
- Ambient temperature
- -10 ... 50 °C
- Authorization
- C-Tick
- Overall mass moment of inertia at power take-off
- 0.082 kgcm2
- Brake holding torque
- 0.4 Nm
- Motor holding torque
- 0.5 Nm
- Mass moment of inertia of rotor
- 0.082 kgcm2
- Permissible axial shaft load
- 7 N
- Permissible radial shaft load
- 20 N
- Product weight
- 360 g
- Electrical connector system
- Plug
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 549404. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.