8072771

Name: Festo 8072771 Holding brake DACS-20-A-S
Brand: Festo

Holding brake DACS-20-A-S

The Festo 8072771 is an industrial component designed for stopping, holding, and blocking movement with a static holding force of 3300 N on 20 mm round material. It operates at a pressure range of 0.38 MPa to 0.8 MPa utilizing compressed air as per ISO 8573-1:2010 [7:4:4], featuring spring clamping with compressed air release in any mounting position. Certified by TÜV under authority TÜV CA 697, the unit carries CE and UKCA markings while supporting ATEX explosion prevention for Zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements for a formal quote.

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Manufacturer: Festo
Part number: 8072771
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Technical Specifications

Mounting position: Any
Clamping type with active direction: Both sides | Clamped by spring, released by compressed air
Position sensing: Via proximity switch
Safety function: Holding and stopping a movement
Performance Level (PL): Stopping, holding, blocking of movement/Category 1, Performance | Level c
Operating pressure: 0.38 MPa...0.8 MPa | 3.8 bar...8 bar | 55.1 psi...116 psi
Max. permissible test pressure: 8 bar
Min. release pressure: 3.8 bar
Round material to be clamped: 20 mm
Certication: TÜV
CE marking (see declaration of conformity): as per EU machinery directive
UKCA marking (see declaration of conformity): To UK instructions for machines
Explosion prevention and protection: Observe the information on the certicate | Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
Certicate issuing authority: TÜV CA 697
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4]
Corrosion resistance class (CRC): 1 - Low corrosion stress
LABS (PWIS) conformity: VDMA24364 Zone III
Ambient temperature: -20 °C...80 °C
Static holding force: 3300 N
Product weight: 3143 g
Type of mounting: With internal thread | With accessories
Clamping unit release connection: G1/8
Note on materials: RoHS compliant
Seals material: NBR

Engineering context

Identification and RFQ Guidance

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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 8072771. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.