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 553557 is an optoelectronic fork light barrier utilizing red light to measure position with a 0.02 mm repetition accuracy and a minimum object diameter of 0.3 mm in standard mode. Featuring a push-pull, NPN, and PNP switching output with a maximum switching frequency of 5000 Hz in standard mode and short-circuit protection, this component operates within an ambient temperature range of -25 °C to 60 °C. It carries RCM compliance, c UL us-Listed (OL), CE, and UKCA markings while remaining RoHS compliant. Submit the exact part number, quantity, and application requirements to request 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 553557. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.