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-4AFA-B is a key-operated plastic door switch featuring a guard-lock mechanism with a holding force of 1300 N and an adjustable direction of operation. This unit operates on a 24 V solenoid voltage within an ambient temperature range of -10 to 55 °C and provides IP67 degree of protection via screw terminal connections. Equipped with an LED indicator, resin standard key positioned at the bottom, and a contact configuration of 1 NC and 1 NO for door contacts alongside 1 NC and 1 NO for lock monitor contacts, this model delivers precise feedback. Submit the exact part number, quantity, and application requirements to receive 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 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-4AFA-B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.