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Festo
2954697
Rotary actuator ERMO-25
The Festo 2954697 is an electromechanical rotary actuator featuring an integrated gearbox with a 9:1 gear ratio and a size 25 design supporting any mounting position via internal thread. This unit delivers a nominal torque of 2.5 Nm, a nominal rotary speed of 66 rpm, a maximum speed of 150 rpm at 90 degrees, and infinite rotation angle capabilities with a 100% duty cycle. Operating with a 1.8-degree full step angle, 0.2 degrees of torsional backlash, and a repetition accuracy of plus or minus 0.05 degrees, the 1350 g component accommodates a maximum axial force of 350 N, a maximum radial force of 450 N, and a permissible mass moment of inertia of 0.0065 kgm2. Submit the exact part number, quantity, and application requirements to receive 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
- 2954697
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 2954697.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- 25
- Structural design
- Electromechanical rotary actuator | With integrated gearbox
- Mounting position
- Any
- Type of mounting
- With internal thread
- Rotation angle
- Innite
- Gear ratio
- 9:1
- Nominal torque
- 2.5 Nm
- Nominal rotary speed
- 66 rpm
- Max. speed at 90°
- 150 rpm
- Impact energy in the end positions
- 0.00016 J
- Torsional backlash
- 0.2 deg
- Repetition accuracy
- ±0.05°
- Max. axial force
- 350 N
- Max. radial force
- 450 N
- Permissible mass moment of inertia
- 0.0065 kgm²
- Product weight
- 1350 g
- Step angle with full step
- 1.8 deg
- Step angle tolerance
- ±5%
- Mass moment of inertia JO
- 0.114 kgcm²
- Duty cycle
- 100%
- Nominal operating voltage DC
- 24 V
- Brake DC operating voltage
- 24 V
- Brake power consumption
- 8 W
- Brake holding torque
- 2.5 Nm
- Brake mass moment of inertia
- 0.013 kgcm²
- Motor nominal current
- 3 A
- Insulation protection class
- B
- Motor type
- Stepper motor
- Rotor position sensor
- Incremental encoder
- Rotor position sensor interface
- RS422 TTL A/B channels + zero index
- Rotor position sensor measuring principle
- Optical
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 2954697. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.