8072777

Name: Festo 8072777 Holding brake DACS-40-A-R3-S
Brand: Festo

Holding brake DACS-40-A-R3-S

The Festo part number 8072777 is an industrial component featuring a static holding force of 17000 N, a product weight of 34500 g, and a 40 mm round material clamping capability via spring with compressed air release on both sides. Certified by TÜV under authority TÜV CA 697, this component complies with the EU machinery directive and UK instructions for machines, featuring ATEX explosion prevention for Zones 1, 2, 21, and 22, along with a corrosion resistance class of 3 and an ambient temperature range of -20 °C to 80 °C. Operating within a pressure range of 0.38 MPa to 0.8 MPa utilizing compressed air as per ISO 8573-1:2010 [7:4:4], it provides stopping, holding, and blocking safety functions at Performance Level c, Category 1. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 8072777
Data verification: Manufacturer evidence reviewed

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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: 40 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): 3 - High corrosion stress
LABS (PWIS) conformity: VDMA24364 Zone III
Ambient temperature: -20 °C...80 °C
Static holding force: 17000 N
Product weight: 34500 g
Type of mounting: With internal thread | With accessories
Clamping unit release connection: G3/8
Note on materials: RoHS compliant
Seals material: NBR

Engineering context

Identification and RFQ Guidance

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Technical verification

Our sourcing response is prepared against Festo 8072777. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.