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-2120 is a D4N safety door switch featuring a plastic housing and a resin roller lever actuator with a resin lever. This component utilizes a terminal block connection with a G1/2 conduit size and bottom cable entry, incorporating one normally-open and one normally-closed contact featuring 3 µm gold plating with a snap action mechanism and no make-before-break functionality. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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-2120. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.