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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Omron
D4NS-1EF
Omron D4NS-1EF D4NS
The Omron D4NS-1EF is a key-operated door switch featuring a resin housing and resin head without a guard-lock mechanism. It operates with a slow action switch mechanism incorporating 1 NC and 1 NO door contacts, a make-before-break function, and an adjustable direction of operation via a terminal block connection with a PG13.5 conduit size. This IP67-rated switch functions within an operating ambient temperature range of -30 to 70 °C and is supplied without an actuator or cable. Submit the exact part number, quantity, and application requirements for a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
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.
- Manufacturer
- Omron
- Part number
- D4NS-1EF
- Product series
- D4NS
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to D4NS-1EF.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Product Family
- D4NS
- Door switch type
- Key-operated
- Guard-lock
- No
- Material housing
- Resin
- Material head
- Resin
- Ambient temperature (operating)
- -30-70 °C
- Direction of operation
- Adjustable
- Door contacts NC
- 1
- Door contacts NO
- 1
- Switch action
- Slow action
- Make before break
- Yes
- LED indicator
- No
- Connection method
- Terminal block
- Cable length
- 0 m
- Degree of protection (IP)
- IP67
- Conduit size
- PG13.5
- Switch without actuator
- Yes
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Omron D4NS-1EF. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.