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 part number 537726 is an industrial component featuring a block design that conforms to EN 60947-5-2 with RCM Mark and c UL us - Listed (OL) authorizations, alongside a CE symbol according to the EU-EMV guideline. This optoelectronic diffuse reflection sensor with background suppression utilizes red light with a max. spot diameter of 5 x 5 mm at a 60 mm sensing range, operating across a working range of 25 to 100 mm and an ambient temperature of -20 to 60 °C. The copper- and PTFE-free device incorporates an NPN switchable output supporting a max. switching frequency of 1,000 Hz, a max. output current of 100 mA, a voltage drop of <= 2.4 V, and pulsing short circuit strength with a max. grey tone shift of 7 % relative to an 18 % reference material. Submit the exact part number, quantity, and application requirements to receive 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 537726. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.