• Automation Systems
    • Cables and Accessories
      • Additional Cables and Accessories
      • Ethernet cables and accessories
      • I/O cables and terminal blocks
      • Serial cables and accessories
    • Human Machine Interfaces (HMI)
      • Additional HMI
      • Compact HMI
      • Integrated HMI
      • Scalable HMI
    • Input and Output (I/O)
      • Remote I/O
    • Machine Automation Controllers
      • Machine controller
    • Programmable Logic Controllers (PLC)
      • Additional PLC
      • Compact PLC
      • Modular PLC
      • Rack PLC
    • Industrial PC
  • Control Components
    • Axial Fans
      • AC Axial Fan
      • Additional Axial Fans
      • DC Axial Fan
    • Condition Monitoring Devices
      • Insulation Condition
      • Motor condition
      • Thermal Condition
    • Counters
      • Additional Counters
      • Cam positioners
      • Pre-set counters
      • Totalisers
    • Digital Panel Indicators
      • 1/8 DIN advanced indicators
      • 1/8 DIN standard indicators
      • 1/32 DIN multi-function
      • Additional Panel Indicators
    • Energy Monitoring Devices
      • Additional Energy Monitoring Devices
      • Air flow sensors
      • Power sensor stations
      • Smart power monitors
    • Power Supplies
      • Additional Power Supplies
      • DC backup
      • Digital multi circuit protector
      • Noise filter
      • Power back-up unit
      • Redundancy unit
      • Single-phase
      • Three-phase
    • Temperature Controllers & Sensors
      • Additional Temperature Controllers
      • Advanced and multi-loop controllers
      • Auxiliaries
      • Basic temperature controllers
      • General purpose temperature controllers
      • Temperature Probes
    • Timers
      • Additional Timers
      • Analog solid state timers
      • Digital timers
    • Additional Control Components
    • Electronic Circuit Breaker
    • Programmable Relays
    • Uninterruptible Power Supplies (UPS)
  • Motion & Drives
    • Motion Controllers
      • Additional Motion Contollers
      • Control via EtherCAT
      • Control via EtherCAT/MECHATROLINK-II
      • Control via MECHATROLINK-II
      • Industrial PC Based
    • Servo Systems
      • Cartesian Systems
      • Linear motors
      • Servo drives
      • Servo motors
    • Variable Speed Drives
      • Frequency inverters
  • Quality control & Inspection
    • Radio Frequency Identification
      • RFID systems
    • Code Readers, Marking Systems and Handheld Readers
    • PC Based Machine Vision
    • QC&I Accessories
    • Smart Vision Inspection Systems
    • Verification products
  • Robotics
    • Fixed Robots
      • Articulated Robots
      • Fixed Robot Accessories
      • Parallel Robots
      • Scara Robots
    • Mobile Robots
      • Autonomous Mobile Robot
    • Collaborative Robots
  • Safety
    • Emergency stop and control devices
      • Emergency stop pushbutton switches
      • Rope pull emergency stop switches
      • Safety guard switching unit
    • Safety logic control systems
      • Programmable safety controllers
      • Safety relay units
    • Safety Outputs
      • Safety Relays
    • Safety Sensors
      • Muting Actuators
      • Safety Laser Scanner
    • Safety Switches
      • Compact non-contact door switch/flexible safety unit
      • Guard-locking safety door switches
      • Non-contact switches
      • Non-contact switches with solenoid lock
      • Safety door hinge switch
      • Safety limit switch with manual reset
      • Tongue interlock switches
    • Additional Safety
    • Safety Light Curtain
    • Safety Mats
  • Sensing
    • Fiber Optic Sensors and amplifiers
      • Fiber amplifiers
      • Fiber optic accessories
      • Fiber sensor heads
      • Photoelectric accessories
    • Inductive Sensors
      • Additional Inductive Sensors
      • Compact - cylindrical
      • Special models
      • Square/block style
    • Measurement Sensors
      • Additional Measurement Sensors
      • Area sensor
      • Confocal fiber sensor
      • Contact sensor
      • Inductive displacement sensor
      • Laser displacement sensor
      • Profile sensor
    • Mechanical sensors/Limit switches
      • Limit switches
    • Photoelectric Sensors
      • Additional Photoelectric Sensors
      • Compact square Photoelectric Sensors
      • Cylindrical
      • Miniature and photomicro
      • Separated amplifier
      • Square type
    • Additional Sensors
    • Connectors and Cordsets
    • Contact Sensors
    • Mark and Colour Sensors
    • Non-Safety Light Curtains and Area Sensors
    • Process Sensors
    • Rotary Encoders
  • Services
    • Services Robot
  • Switching Components
    • Electromechanical Relays
      • Industrial high power relays
      • Industrial plug-in relays
      • Ratchet relays
      • Relay sockets
    • Interface Wiring Systems
      • PLC Interface Wiring Systems
    • Low Voltage Switch Gear
      • Mini contactor relays
      • Mini motor contactors
      • Motor contactors
      • Motor protection circuit breakers
      • Thermal overload relays
    • Measuring and Monitoring Relay
      • 1-phase control
      • 3-phase control
      • Level control
      • Temperature monitor
    • Pushbutton Switches
      • Additional Switches
      • Indicators
      • Key-type selector switches
      • Knob-type selector switches
      • Standard pushbutton switches
    • Solid State Relays
      • Panel mounted
    • Additional Relays
    • Sockets and Accessories
    • Terminal Blocks
  • Software

Store / Safety / Safety Switches / Tongue interlock switches

D4NS

D4NS

Loading models for this series

Line-up with three contacts: 2NC/1NC and 3NC contact forms
Line-up with two contacts 1NC/1NO and 2NC
M12 connector types available
Standardised gold-clad contacts for high contact reliability
Applicable for standard loads and micro loads

Local Stock Centre
Call Our Local Support Team
Fast and Trackable Delivery

Models

Models
Loading models for this series Unable to load models. Please try again later
Filter by
Show
  • 10
  • 20
  • 30
  • 50
Sort by
  • Relevance
  • Price (low-high)
  • Price (high-low)
  • Alphabetical (A-Z)
  • Alphabetical (Z-A)

Accessories

Accessories
Loading accessories for this series There are accessories in this series Unable to load accessories. Please try again later
Filter by
Show
  • 10
  • 20
  • 30
  • 50
Sort by
  • Relevance
  • Price (low-high)
  • Price (high-low)
  • Alphabetical (A-Z)
  • Alphabetical (Z-A)

Downloads

Downloads

Enquire

Enquire

Articles for this series

There are no articles here yet, contact us if you require support

View More
Start a Conversation
This conversation is closed
Uploading...