188401

Name: Festo 188401 Solenoid valve MGTBH-5/2K-FR-230AC-NA
Brand: Festo

Solenoid valve MGTBH-5/2K-FR-230AC-NA

The Festo part number 188401 is an electrical 5/2 monostable industrial component featuring a 35 mm width, a piston slide design structure, and a standard nominal flow rate of 400 l/min. Operating within a working pressure range of 2 to 8 bar and a pilot pressure of 2 to 10 bar, this unit utilizes piloted actuation with a mechanical spring reset and a detenting manual override. Conforming to the VDI/VDE 3845 NAMUR standard with an IP65 protection class according to IEC 60529, the assembly includes a soft sealing principle, a nominal size of 8 mm, and throttleable exhaust-air functionality. Submit the exact part number, quantity, and application requirements for a formal quote.

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Manufacturer: Festo
Part number: 188401
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Technical Specifications

Valve function: 5/2 monostable
Type of actuation: electrical
Width: 35 mm
Standard nominal flow rate: 400 l/min
Working pressure: 2 ... 8 bar
Design structure: Piston slide
Type of reset: mechanical spring
Protection class: IP65
to: IEC 60529
Nominal size: 8 mm
Exhaust-air function: throttleable
Sealing principle: soft
Assembly position: Any
Conforms to standard: VDI/VDE 3845 (NAMUR)
Manual override: detenting
Type of piloting: Piloted
Flow direction: reversible
Pilot pressure: 2 ... 10 bar
b value: 0.25
C value: 1.1 l/sbar
Switching time off: 90 ms
Switching time on: 20 ms
Characteristic coil data: 230 V AC: 50 Hz, pick-up power 5 VA, holding power 3.7 VA | 230 V AC: 60 Hz, pick-up power 5 VA, holding power 3.7 VA
Permissible frequency fluctuation: +/- 10 %
Permissible voltage fluctuation: +/- 10 %
Operating medium: Compressed air in accordance with ISO8573-1:2010 [7:-:-]
CE symbol (see declaration of conformity): according to EU low voltage guideline
Corrosion resistance classification CRC: 3
Medium temperature: -20 ... 60 °C
Pilot medium: Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Ambient temperature: -20 ... 60 °C
Electrical connection: Plug socket | Screwed terminal | M20x1,5
Scavenging orifice connection: Internal
Pneumatic connection, port: 3 Subbase
Materials information for seals: NBR

Engineering context

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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

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Our sourcing response is prepared against Festo 188401. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.