561944

Name: Festo 561944 Semi-rotary actuator DRE-77-F12-Q08-FS-O
Brand: Festo

Semi-rotary actuator DRE-77-F12-Q08-FS-O

The Festo part number 561944 is a single-acting industrial component featuring a rack and pinion design structure with an actuator size of 77 and a swivel angle of 90 degrees. It operates on compressed air in accordance with ISO 8573-1:2010 [7:4:4] within a working pressure range of 2 to 10 bar and includes an ISO 5211 fitting connection along with a VDI/VDE 3845 NAMUR valve connection. Rated for hazardous locations, the unit carries ATEX category II 2G and II 2D certifications with explosion ignition protection types c T6 and c 60°C for an ambient temperature range of -20°C to +60°C. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 561944
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Technical Specifications

Size of actuator: 77
Flange hole pattern: F12
Swivel angle: 90 deg
End-position adjustment range at 0°: -4 ... 8 deg
End-position adjustment range at 90°: -8 ... 4 deg
Fitting connection conforms to standard: ISO 5211
Cushioning: No cushioning
Assembly position: Any
Mode of operation: single-acting
Design structure: Rack and pinion
Position detection: No
Closing direction: Spring force, closing
Valve connection conforms to standard: VDI/VDE 3845 (NAMUR)
Working pressure: 2 ... 10 bar
ATEX category Gas: II 2G
Explosion ignition protection type Gas: c T6
ATEX category Dust: II 2D
Explosion ignition protection type Dust: c 60°C
Explosion-proof ambient temperature: -20°C <= Ta <= +60°C
Operating medium: Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot medium: Lubricated operation possible (subsequently required for further | operation)
CE symbol (see declaration of conformity): according to EU-Ex protection guideline (ATEX)
Corrosion resistance classification CRC: 3
Ambient temperature: -20 ... 80 °C
Air consumption at 6 bar per cycle 0°-90°-0°: 18 l
Product weight: 19,800 g
Shaft connection: V27
Pneumatic connection: Subbase | G1/4
Materials note: Contains PWIS substances

Engineering context

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Our sourcing response is prepared against Festo 561944. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.