525155

Name: Festo 525155 Solenoid valve MHA3-MS1H-3/2O-3
Brand: Festo

Solenoid valve MHA3-MS1H-3/2O-3

The Festo part number 525155 is an electrical 3/2 open monostable industrial component utilizing a pressure-relieved poppet valve design structure with soft sealing. This 14 mm wide unit features a standard nominal flow rate of 200 l/min, a nominal size of 3 mm, a 19 mm grid dimension, and a working pressure range of -0.9 to 8 bar. Incorporating direct piloting, mechanical spring reset, and an IP65 protection class, the component achieves a maximum switching frequency of 280 Hz with a switching time off of 2.8 ms. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 525155
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Technical Specifications

Valve function: 3/2 open, monostable
Type of actuation: electrical
Width: 14 mm
Standard nominal flow rate: 200 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: 3 mm
Grid dimension: 19 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: 280 Hz
Switching time off: 2.8 ms
Switching time on: 2.3 ms
Tolerance for Switching time OFF: +10%/-50%
Tolerance for Switching time ON: +10%/-30%
Measuring of the switching time at 1 Hz and above: 0.2 ms
Duty cycle: 100%
Characteristic coil data: 24 V DC: low current phase: 1.6 W, high current phase: 6.5 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
Restriction ambient and medium temperature: related to switching frequency
Corrosion resistance classification CRC: 2
Medium temperature: -5 ... 40 °C
Ambient temperature: -5 ... 40 °C
Product weight: 120 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

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Our sourcing response is prepared against Festo 525155. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.