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Festo
525194
Solenoid valve MHA4-M1H-3/2O-4
The Festo 525194 is an 18 mm electrical industrial component featuring a 3/2 open, monostable valve function and a pressure-relieved poppet valve design structure. This direct-piloted unit delivers a standard nominal flow rate of 400 l/min across a working pressure range of -0.9 to 8 bar, incorporating a mechanical spring reset, soft sealing principle, and IP65 protection class. Additional specifications include a 4 mm nominal size, 24 mm grid dimension, throttleable exhaust-air function, pushing manual override, reversible flow direction with restrictions, reversible working pressure from -0.9 to 0 bar, a maximum switching frequency of 120 Hz, a 5 ms switching time off, and c UL us - Recognized (OL) authorization for any assembly position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 525194
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 525194.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- 3/2 open, monostable
- Type of actuation
- electrical
- Width
- 18 mm
- Standard nominal flow rate
- 400 l/min
- Working pressure
- -0.9 ... 8 bar
- Design structure
- Pressure-relieved poppet valve
- Type of reset
- mechanical spring
- Protection class
- IP65
- Authorization
- c UL us - Recognized (OL)
- Nominal size
- 4 mm
- Grid dimension
- 24 mm
- Exhaust-air function
- throttleable
- Sealing principle
- soft
- Assembly position
- Any
- Manual override
- Pushing
- Type of piloting
- direct
- Flow direction
- reversible with restrictions
- Working pressure, reversible
- -0.9 ... 0 bar
- Maximum switching frequency
- 120 Hz
- Switching time off
- 5 ms
- Switching time on
- 10.5 ms
- Duty cycle
- 100%
- Characteristic coil data
- 24V DC: 5,6W
- Permissible voltage fluctuation
- +/- 10 %
- Operating medium
- Filtered, unlubricated compressed air, 40 µm filtration | Filtered, lubricated compressed air, 40 µm filtration
- Corrosion resistance classification CRC
- 2
- Medium temperature
- -5 ... 40 °C
- Ambient temperature
- -5 ... 40 °C
- Product weight
- 270 g
- Electrical connection
- Plug | 2-pin
- Mounting type
- On PR manifold
- Pneumatic connection, 11
- Subbase
- Pneumatic connection, port
- 2 Subbase
- Pneumatic connection, 33
- Subbase
- Materials note
- Free of copper and PTFE
- Materials information for seals
- HNBR | NBR
- Materials information, housing
- Zinc die-casting | coated
- Screw material data
- Steel | Galvanized
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 525194. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.