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Festo
525195
Solenoid valve MHA4-MS1H-3/2O-4
The Festo 525195 is an electrical 3/2 open, monostable industrial component featuring a pressure-relieved poppet valve design and a 4 mm nominal size with an 18 mm width and 24 mm grid dimension. 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, throttleable exhaust-air function, and pushing manual override. Constructed for any assembly position with an IP65 protection class, a maximum switching frequency of 210 Hz, a 3.5 ms off-switching time, and c UL us - Recognized (OL) authorization, it supports reversible flow with restrictions and a reversible working pressure of -0.9 to 0 bar. Submit the exact part number, quantity, and application requirements for a formal quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 525195
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 525195.
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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 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 525195. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.