Festo Solenoid valve



Property No
Product Type Festo MH2 MH3 MH4
Size Flow rate 200 l/min
Short type code MH3
Width 14 mm
Valve Function 3/2 closed, monostable
Valve Function 3/2-way valve, normally closed
Electrical Connect 2-pin
Electrical Connect Connection pattern ZC, screw with metric thread
Electrical Connect Plug
Mounting On PR manifold
Mounting Sub-base valve
Additional functions Fast switching
Pneumatic connection Flange/sub-base
Manual override Pushing
Type of reset Mechanical spring
Ambient temp -5 - 40 °C
Assembly position Any
Authorisation c UL us - Recognized (OL)
CE mark (see declaration of conformity) to EU directive for EMC
Characteristic coil data 24 V DC: low current phase: 1.6 W, high current phase: 6.5 W
Corrosion resistance classification CRC 2
Design structure Pressure-relieved poppet valve
Duty cycle 100%
Exhaust-air function throttleable
Flow direction reversible with restrictions
Grid dimension 19 mm
Materials information for seals HNBR
Materials information for seals NBR
Materials information, housing Coated
Materials information, housing Zinc die-casting
Materials note Free of copper and PTFE
Maximum switching frequency 280 Hz
Measuring of the switching time at 1 Hz and above 0.2 ms
Medium temperature -5 - 40 °C
Nominal size 3 mm
Operating medium Filtered, lubricated compressed air, 40 µm filtration
Operating medium Filtered, unlubricated compressed air, 40 µm filtration
Operating Pressure -0.9 - 8 bar
Operating pressure, reversible -0.9 - 0 bar
Operating voltage 24 V DC
Permissible voltage fluctuation +/- 10 %
Pneumatic connection, port 1 Sub-base
Pneumatic connection, port 2 Sub-base
Pneumatic connection, port 3 Sub-base
Pneumatic working line Anschlussplatte
Product weight 120 g
Protection class IP65
Restriction ambient and medium temperature related to switching frequency
Screw material data Galvanised
Screw material data Steel
Sealing principle Soft
Standard nominal flow rate 200 l/min
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%
Type of actuation electrical
Type of piloting Direct


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