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Festo
546021
Solenoid valve MDH-3/2-230AC-PI
The Festo 546021 is a 3/2 closed, monostable industrial component featuring electrical actuation and a direct piloting type based on the ISO 15218 standard. This 30 mm wide unit offers a standard nominal flow rate of 20 l/min across a working pressure range of 0.5 to 10 bar, utilizing a poppet seat design structure with a mechanical spring reset and soft sealing principle. Additional specifications include an IP65 protection class, a 0.8 mm nominal size, a 100 mm grid dimension, a non-reversible flow direction, and a detenting or pushing manual override. Submit the exact part number, quantity, and application requirements to receive a formal price and lead-time quotation.
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Request a Quote- Manufacturer
- Festo
- Part number
- 546021
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 546021.
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Verified configuration
Technical Specifications
- Valve function
- 3/2 closed, monostable
- Type of actuation
- electrical
- Width
- 30 mm
- Standard nominal flow rate
- 20 l/min
- Working pressure
- 0.5 ... 10 bar
- Design structure
- Poppet seat
- Type of reset
- mechanical spring
- Protection class
- IP65
- Nominal size
- 0.8 mm
- Grid dimension
- 100 mm
- Exhaust-air function
- not throttleable
- Based on the standard
- ISO 15218
- Sealing principle
- soft
- Assembly position
- Any
- Conforms to standard
- ISO 15218
- Manual override
- detenting | Pushing
- Type of piloting
- direct
- Flow direction
- non reversible
- Freedom from overlap
- No
- b value
- 0.46
- C value
- 0.075 l/sbar
- Switching time off
- 8 ms
- Switching time on
- 12 ms
- Duty cycle
- 100%
- Characteristic coil data
- 230 V AC: 50 Hz, pick-up power 6.6 VA, holding power 4.0 VA | 230 V AC: 60 Hz, pick-up power 5.5 VA, holding power 3.0 VA
- Permissible frequency fluctuation
- +/- 10 %
- Permissible voltage fluctuation
- -15 % / +10 %
- 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 low voltage guideline
- Corrosion resistance classification CRC
- 2
- Medium temperature
- -20 ... 60 °C
- Ambient temperature
- -20 ... 60 °C
- Product weight
- 140 g
- Electrical connection
- Per DIN EN 175301-803 | Design A
- Mounting type
- On subbase | with through hole
- Pneumatic connection, port
- 3 Non-ducted
- Materials note
- Conforms to RoHS
- Materials information for seals
- HNBR
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 546021. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.