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D4NS-1AF

Omron D4NS-1AF Safety Door Switch 1NC/1NO M20 for Guard Interlocking

SKU: D4NS-1AF

Omron D4NS-1AF is a safety door switch with 1NC/1NO contacts and M20 conduit interface, designed for reliable machine guarding and interlock signal feedback.

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Product Overview

The D4NS-1AF provides dependable guard status monitoring in machine safety circuits where controlled access and interlock verification are required. Its contact configuration and conduit-ready housing support straightforward panel wiring and installation. This switch is suitable for OEM equipment and retrofits requiring robust safety feedback in daily operation.

  • SKU: D4NS-1AF
  • Series: D4NS-1AF

Best-Fit Applications

  • Monitoring guard door closed/open states
  • Providing interlock signals to safety relays
  • Supporting machine start-permissive safety logic
  • Replacing outdated guard switches in retrofit projects
  • Standardizing safety door switch hardware in OEM lines
  • Improving reliability of access safety monitoring

Buying Checklist

  • Contact configuration supports common safety logic patterns
  • M20 conduit compatibility eases installation in industrial panels
  • Reliable guard feedback for safer machine operation
  • Practical maintenance spare for safety circuits
  • Strong fit for ongoing compliance and guarding programs

Technical Specifications

Model D4NS-1AF
Product type Safety door switch
Contact form 1NC/1NO
Conduit size M20
Primary role Guard status and interlock detection
Typical use Machine safety feedback circuits
Application scope Production line safeguarding
Operational value Stable guard state signaling
Maintenance value Serviceable safety switch replacement
Engineering value Simple, robust safety circuit integration

FAQ for D4NS-1AF

What is D4NS-1AF mainly used for?
It is mainly used for monitoring machine guard door status and feeding interlock signals to safety control circuits.
Why use dedicated safety door switches?
They provide robust guard monitoring needed for protective machine operation and compliance-focused safety design.
Is this switch suitable for retrofit safety upgrades?
Yes. It is commonly used when modernizing guard interlock hardware in existing equipment.

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