Confirm the exact configuration
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.

Festo
The Festo 541663 is an electrical industrial component featuring a 5/2-way, closed, monostable valve function with a piloted type of control and negative overlap lap. This 73 mm wide unit delivers a normal nominal flow rate of 1000 l/min through G1/4 pneumatic working ports, operating at pressures from 0.22 MPa to 0.8 MPa and a 120V AC operating voltage with a mechanical spring reset method. Certified under FM 3026030 with IP65 protection, it includes explosion protection certifications for US Class I, II, and III (Div. 1 and 2) alongside EPL Gb and Gc, an adjustable exhaust air function, soft sealing, and a detenting manual override. Submit your exact part number, quantity, and application requirements to request a quote for this component.
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.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
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.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 541663. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.