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 D4NL-4FFA-B is a key-operated plastic door switch featuring a guard-lock mechanism with a 1300 N holding force and an IP67 degree of protection. It operates on a 24 V solenoid voltage within an ambient temperature range of -10 to 55 °C, utilizing screw terminal connections and an adjustable direction of operation. This unit includes two NC and one NO door contacts, two NC lock monitor contacts, an LED indicator, and a bottom-positioned standard resin lock/release key. 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 D4NL-4FFA-B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.