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Festo
549405
Stepper motor EMMS-ST-42-S-SE
The Festo part number 549405 is an industrial component operating at a nominal voltage of 48 V DC and a nominal motor current of 1.8 A, featuring a 1.8-degree stepper angle with a ±5% tolerance and an integrated optical encoder for rotor position sensing. This unit delivers a motor holding torque of 0.5 Nm, a brake holding torque of 0.4 Nm, and possesses an overall mass moment of inertia at power take-off and rotor of 0.082 kgcm2, supported by a plug electrical connector system and an IP54 protection class within an ambient temperature range of -10 to 50 °C. It complies with the CE symbol according to the EU-EMV guideline, carries C-Tick authorization, and has a product weight of 450 g with permissible axial and radial shaft loads of 7 N and 20 N, respectively. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 549405
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 549405.
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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%
- Rotor position sensor
- Optical encoder
- 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
- 450 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 549405. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.