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
D4B-4A71N
Omron D4B-4A71N D4B-N
The Omron D4B-4A71N is a D4B-N series limit switch featuring an aluminum housing and a roller plunger actuator with a slow action mechanism and a direct opening mechanism. This unit includes two normally-closed contacts, zero normally-open contacts without make-before-break functionality, and utilizes a terminal block connection with an M20 bottom cable entry. Request a formal quote today by submitting the exact part number, required quantity, and application specifications.
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
- D4B-4A71N
- Product series
- D4B-N
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to D4B-4A71N.
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
- D4B-N
- Material housing
- Aluminium
- Actuator type
- Roller plunger
- Connection method
- Terminal block
- Conduit size
- M20
- Cable entry direction
- Bottom
- Number of contacts, normally-open
- 0
- Number of contacts, normally-closed
- 2
- Make before break
- No
- Switch action
- Slow action
- Direct opening mechanism
- 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 D4B-4A71N. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.