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-N4QDA-D is a key-operated plastic housing door switch with a metal head featuring a guard-lock function and a 1300 N holding force. This component operates at ambient temperatures from -10 to 55 °C and includes an adjustable direction of operation, 3 NC door contacts, 2 NC lock monitor contacts, and 1 NO lock monitor contact. Powered by a 24 V solenoid voltage, the unit integrates an LED indicator and a terminal block connection housed within an IP67-rated structure. Submit the exact part number, quantity, and application requirements for a formal 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-N4QDA-D. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.