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-B4 is a key-operated plastic door switch featuring guard-lock functionality, an adjustable direction of operation, and a holding force of 1300 N. This unit includes two NC and one NO door contacts, two NC lock monitor contacts, an integrated LED indicator, and operates via screw terminals at a 24 V solenoid voltage. Rated at IP67 for protection, it functions within an ambient temperature range of -10 to 55 °C and is equipped with a bottom-positioned special resin release key. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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-B4. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.