561945

Name: Festo 561945 Semi-rotary actuator DRE-77-F10-Q10-FS-O
Brand: Festo

Semi-rotary actuator DRE-77-F10-Q10-FS-O

The Festo part number 561945 is a single-acting rack and pinion industrial component featuring an actuator size of 77, an F10 flange hole pattern, and an ISO 5211 conforming fitting connection. This unit operates with a 90-degree swivel angle utilizing compressed air in accordance with ISO 8573-1:2010 [7:4:4] at a working pressure of 2 to 10 bar, incorporating a VDI/VDE 3845 (NAMUR) valve connection and spring force closing direction without cushioning or position detection. Rated for hazardous environments with ATEX category II 2G gas and II 2D dust certifications, the mechanism provides an end-position adjustment range of -4 to 8 degrees at 0° and -8 to 4 degrees at 90° within an explosion-proof ambient temperature range of -20°C to +60°C in any assembly position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 561945
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Technical Specifications

Size of actuator: 77
Flange hole pattern: F10
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
Torque at 6 bar: 567 Nm
Spring return moment: 203 Nm
Air consumption at 6 bar per cycle 0°-90°-0°: 18 l
Product weight: 19,800 g
Shaft connection: V22
Pneumatic connection: Subbase | G1/4
Materials note: Contains PWIS substances

Engineering context

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Our sourcing response is prepared against Festo 561945. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.