Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
576656
Control block for two-hand start ZSB-1/8-B
The Festo 576656 is a pneumatic industrial component featuring a 4 mm nominal width, positive overlap lap, and a normal nominal flow rate of 50 l/min at an operating pressure range of 0.4 MPa to 0.8 MPa. This component provides a two-hand control safety function conforming to Category 1, Performance Level c, and includes ATEX explosion prevention and protection for Zones 1, 2, 21, and 22 with CE and UKCA markings. It operates on compressed air according to ISO 8573-1:2010 [7:4:4], permits optional oil lubrication, weighs 420 g, and offers versatile mounting via through-holes or internal threads in any position. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 576656
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 576656.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Nominal width
- 4 mm
- Actuation type
- Pneumatic
- Mounting position
- Any
- Lap
- Positive overlap
- Safety function
- Two-hand control
- Performance Level (PL)
- Two-hand control/category 1, performance level c
- Operating pressure
- 0.4 MPa...0.8 MPa | 4 bar...8 bar
- Normal nominal ow rate (normalized to DIN 1343)
- 50 l/min
- 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
- Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
- Certicate issuing authority
- IFA 1201046 | Intertek UK-MCR-0080
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Shock resistance
- Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Ambient temperature
- 0 °C...60 °C
- Product weight
- 420 g
- Type of mounting
- Alternatively: | With through-hole | With internal thread
- Pneumatic connection 2
- G1/8
- Pneumatic connection 3
- G1/8
- Note on materials
- RoHS compliant
- Cover material
- Die-cast aluminum
- Seals material
- NBR
- Housing material
- Wrought aluminum alloy
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
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 576656. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.