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Festo
525203
Solenoid valve MHP4-MS1H-3/2O-QS-8
The Festo 525203 is an electrical 3/2 open, monostable industrial component featuring a pressure-relieved poppet valve design with a soft sealing principle and a 4 mm nominal size. This direct-piloted unit has an 18 mm width, a 24 mm grid dimension, an IP65 protection class, and supports any assembly position while delivering a standard nominal flow rate of 400 l/min across a working pressure range of -0.9 to 8 bar. Additional specifications include mechanical spring reset, a throttleable exhaust-air function, pushing manual override, reversible flow direction with restrictions, reversible working pressure from -0.9 to 0 bar, a 3.5 ms off switching time, a maximum switching frequency of 210 Hz, and c UL us - Recognized (OL) authorization. Please submit the exact part number, quantity, and application requirements to request a quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 525203
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 525203.
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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
- 210 Hz
- Switching time off
- 3.5 ms
- Switching time on
- 3.5 ms
- Tolerance for Switching time OFF
- +10%/-40%
- Tolerance for Switching time ON
- +10%/-30%
- Measuring of the switching time at 1 Hz and above
- 0.3 ms
- Duty cycle
- 100%
- Characteristic coil data
- 24 V DC: low current phase: 2.125 W, high current phase: 8.5 W
- Permissible voltage fluctuation
- +/- 10 %
- Operating medium
- Filtered, unlubricated compressed air, 40 µm filtration | Filtered, lubricated compressed air, 40 µm filtration
- CE symbol (see declaration of conformity)
- according to EU-EMV guideline
- 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 QS-8
- 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 525203. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.