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-N4NFA-D is a key-operated plastic door switch featuring a resin head, integrated LED indicator, and a terminal block connection. This guard-lock model delivers a 1300 N holding force, operates on a 24 V solenoid voltage within an ambient temperature range of -10 to 55 °C, and provides an IP67 degree of protection. Circuit configurations include 2 NC and 1 NO door contacts, alongside 2 NC and 1 NO lock monitor contacts, operated via a front and back standard metal key with an adjustable direction of operation. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this unit.
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-N4NFA-D. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.