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 D4NS-1DF is a key-operated safety door switch featuring a resin housing and head with an IP67 degree of protection. This non-guard-lock component utilizes a slow action mechanism with 3 NC door contacts and 0 NO door contacts, operating across an ambient temperature range of -30 to 70 °C. Electrical connection is achieved via a terminal block with a PG13.5 conduit size and an adjustable direction of operation. Submit the exact part number, quantity, and application requirements for 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 D4NS-1DF. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.