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 543862 is a magnetic reed industrial component featuring a contact-based, bipolar N.O. contact switching output with an operating voltage range of 5 V to 30 V AC. It offers an oil-resistant construction that functions within an ambient temperature range of -40 °C to 70 °C, supporting a max output current of 500 mA and a max DC switching capacity of 10 W. Certified with the RCM compliance mark and c UL us - Listed (OL), this RoHS compliant part aligns with EU and UK EMC and RoHS directives, with further details available at https://www.festo.com/Drive-Sensor-Overview. Submit the exact part number, quantity, and application requirements for a quote.
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 543862. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.