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.

Omron
The Omron D4N-4A2G is a plastic housing safety switch from the D4N product family featuring a slow action mechanism with 1 normally-open and 1 normally-closed contact without make-before-break operation. It is equipped with an adjustable roller lever actuator comprising a form-lock metal lever and a resin roller, paired with a terminal block connection utilizing an M20 bottom cable entry direction. Submit the exact part number, quantity, and application requirements for an RFQ 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 Omron 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 Omron D4N-4A2G. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.