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Festo
549420
Stepper motor EMMS-ST-87-M-S
The Festo 549420 is an industrial component operating on a 48 V nominal voltage DC and a 9.5 A nominal motor current, featuring a 1.8 deg stepper angle with a ±5% tolerance. This unit delivers a 5.9 Nm motor holding torque, a 2 Nm brake holding torque, and a 1.9 kgcm2 overall mass moment of inertia at power take-off, with an IP54 protection class and class B insulation. Weighing 3,050 g, it functions within an ambient temperature range of -10 to 50 °C, supports 45 to 80% relative air humidity, and accommodates a permissible radial shaft load of 200 N alongside an axial shaft load of 65 N via a plug electrical connector system. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this component.
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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
- 549420
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 549420.
Worldwide sourcingSupport for planned and urgent industrial requirements.
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
- 9.5 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
- 1.9 kgcm2
- Brake holding torque
- 2 Nm
- Motor holding torque
- 5.9 Nm
- Mass moment of inertia of rotor
- 1.9 kgcm2
- Permissible axial shaft load
- 65 N
- Permissible radial shaft load
- 200 N
- Product weight
- 3,050 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 549420. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.