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 D4SL-N4RFA-D is a key-operated plastic door switch featuring a resin head, a 1300 N holding force, and a 24 V solenoid. This guard-lock model includes three NC door contacts, three NC lock monitor contacts, an LED indicator, and a terminal block connection housed in an IP67-rated enclosure. Operation is directed via an adjustable mechanism with front and back metal standard keys functioning across an operating ambient temperature range of -10 to 55 °C. Submit the exact part number, quantity, and application requirements to request 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 D4SL-N4RFA-D. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.