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 577377 is an industrial component featuring a 44-pin Sub-D square socket on the field device side with an angled cable outlet and 36 occupied pins, secured via 2x 4-40 UNC screws with a seal. Operating within a 0 V to 30 V DC range and supporting a current rating of 0.86 A at 40° C, this 900 g assembly includes a 5 m cable with an open end on the control side based on DIN 47100. This part has a contact durability of 50, features no protective earth connection, and lacks a label holder. 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 577377. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.