Images are examples, some edited with AI. The technical data are authoritative. AI notice
Holding brake for round material Ø 40 mm, holding force 17000 N, spring-applied DACS-40-A-R3-S - Festo 8072777
Holding brake DACS-40-A-R3-S clamps round material of Ø 40 mm by spring force with 17000 N static holding force and releases with compressed air from 3.8 bar. TÜV certified, category 1, Performance Level c, explosion protection for zones 1, 2, 21 and 22.
- Specialist dealer since 2009
- Invoice payment for regular customers
- Worldwide shipping
- Technical questions clarified with the manufacturer
Description
Holding brake DACS-40-A-R3-S clamps round material of Ø 40 mm by spring force with 17000 N static holding force and releases with compressed air from 3.8 bar. Housing made of steel, clamping jaws made of tool steel, product weight 34.5 kg.
Benefits
- Static holding force 17000 N on Ø 40 mm round material
- Spring clamping in both directions, so it also holds when pressure drops
- Safety function holding and stopping, category 1, Performance Level c, certificate TÜV CA 697
- Explosion protection zones 1, 2, 21 and 22 (ATEX), observe the notes in the certificate
- Operating pressure 3.8 to 8 bar, release port G3/8
- Corrosion resistance class CRC 3, PWIS conformity VDMA24364 zone III
Applications
For securely holding piston rods and guide rods on power failure, for example on presses, lifting tables and vertical axes.
Technical data
| Order code | DACS-40-A-R3-S |
|---|---|
| Festo part number | 8072777 |
| Mounting position | any |
| Type of clamping with direction of action | both directions, clamped by spring force, released by compressed air |
| Position detection | for proximity switch |
| Safety function | holding and stopping a movement |
| Performance Level (PL) | stopping, holding, blocking a movement / category 1, Performance Level c |
| Operating pressure | 3.8 to 8 bar |
| Max. permissible test pressure | 8 bar |
| Min. release pressure | 3.8 bar |
| Round material to be clamped | 40 mm |
| Approval | TÜV |
| CE mark (see declaration of conformity) | to EU Machinery Directive |
| UKCA marking (see declaration of conformity) | to UK machinery regulations |
| Explosion protection | observe the note in the certificate, Zone 1 (ATEX), Zone 2 (ATEX), Zone 21 (ATEX), Zone 22 (ATEX) |
| Certificate issuing authority | TÜV CA 697 |
| Operating medium | compressed air to ISO 8573-1:2010 [7:4:4] |
| Corrosion resistance class CRC | 3 - high corrosion stress |
| LABS (PWIS) conformity | VDMA24364 zone III |
| Ambient temperature | -20 to 80 °C |
| Static holding force | 17000 N |
| Product weight | 34500 g |
| Type of mounting | with female thread, with accessories |
| Release port, clamping unit | G3/8 |
| Note on materials | RoHS compliant |
| Material seals | NBR, TPE-U(PU) |
| Material spring | high-alloy steel |
| Material housing | steel |
| Material clamping jaws | tool steel |
| Material piston | steel |
| Customs tariff number | 84798997 |
| Weight | 37 kg |
| Manufacturer | Festo |
| Hersteller-Nr | DACS-40-A-R3-S |
| EAN | 4052568454616 |
| Zolltarifnummer | 84798997 |
| GPSR Herstellerdaten | Festo Vertrieb GmbH&Co. KG, Festo Campus 1, DE-73734 Esslingen, festo.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Seal material | NBR, TPE-U(PU) |
| Housing material | Steel |
| Medium | Compressed air |
| Betriebsdruck max [bar] | 8 |
| Temperaturbereich | -20-80 °C |
| Temperature (max.) | 80 |
Downloads
Questions about this item
Any other question?
Send us the item number and your question. We clarify technical details directly with the manufacturer and usually reply on the next working day.






