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
D4N-4A20R
Omron D4N-4A20R D4N-R
The Omron D4N-4A20R is a D4N-R series safety limit switch featuring a plastic housing and a roller lever actuator comprised of a resin lever and resin roller. This slow-action component includes one normally-open contact, one normally-closed contact, a manual reset feature, and lacks make-before-break functionality. Electrical connection is accomplished via a terminal block through a bottom-entry M20 conduit size. Submit the exact part number, quantity, and application requirements to request 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
- D4N-4A20R
- Product series
- D4N-R
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to D4N-4A20R.
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
- D4N-R
- Material housing
- Plastic
- Actuator type
- Roller lever
- Actuator detail
- Resin lever, Resin roller
- Connection method
- Terminal block
- Conduit size
- M20
- Cable entry direction
- Bottom
- Number of contacts, normally-open
- 1
- Number of contacts, normally-closed
- 1
- Make before break
- No
- Switch action
- Slow action
- Features
- Manual reset
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 D4N-4A20R. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.