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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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Festo
541660
Air solenoid valve MFH-3-1/4-120-NPT-EX
The Festo 541660 is a 73 mm wide electrical 3/2-way closed monostable industrial component featuring a piloted type of control, soft sealing principle, and a normal nominal flow rate of 800 l/min through 1/4 NPT pneumatic working ports. Operating at 120V AC within a pressure range of 0.15 MPa to 0.8 MPa, it incorporates a mechanical spring reset, adjustable exhaust air function, detenting manual override, and IP65 protection. Certified by FM 3026030 with explosion protection for Class I, II, and III divisions, this unit offers a 5 mm nominal width, negative overlap lap, non-reversible flow direction, and a 29 ms off switching time installable in any mounting position. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 541660
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 541660.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- 3/2-way, closed, monostable
- Actuation type
- Electrical
- Width
- 73 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 800 l/min
- Pneumatic working port
- 1/4 NPT
- Operating voltage
- 120V AC
- Operating pressure
- 0.15 MPa...0.8 MPa | 1.5 bar...8 bar
- Reset method
- Mechanical spring
- Explosion protection certication outside the EU
- Class I, Div. 1 (US) | Class I, Div. 2 (US) | Class II, Div. 1 (US) | Class II, Div. 2 (US) | Class III, Div. 1 (US) | Class III, Div. 2 (US) | EPL Gb (US) | EPL Gc (US)
- Certicate issuing authority
- FM 3026030
- Degree of protection
- IP65
- Nominal width
- 5 mm
- Exhaust air function
- Adjustable
- Sealing principle
- Soft
- Mounting position
- Any
- Manual override
- Detenting
- Type of control
- Piloted
- Flow direction
- Non-reversible
- Lap
- Negative overlap
- Switching time off
- 29 ms
- On switching time
- 12 ms
- Coil characteristics
- 120 V AC: 60 Hz, initial power 11.5 VA, holding power 6.5 VA
- Explosion prevention and protection
- Class I, Div. 1 (US) | Class I, Div. 2 (US) | Class II, Div. 1 (US) | Class II, Div. 2 (US) | Class III, Div. 1 (US)
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 541660. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.