Shop Now

• Brands
  • Banner Engineering
    • Lighting and Indicators
      • Industrial LED Task Lighting
      • Tower Lights
    • Sensors
      • Accessories
      • Photoelectric Sensors
  • Eaton
    • Bussmann Series Low Voltage Fuses
    • Limit Switches
    • Moeller Series Busbars
    • Moeller® Series
      • M22 Contact
      • M22 Mounting clamp
    • Motor Control
      • Contactors
      • MCB
      • MCCB
      • Overloads
      • RCBO
      • RCCB
    • Motor Protection
      • Accessories
      • Motor Protection Circuit Breaker
    • Proximity Sensor
    • Pushbutton Components
    • VSD Drives
  • Elsema
  • Kyoritsu
  • Phoenix Contact
    • Cables and Lines
      • Cables by the Metre
      • Data Cable
      • Photovoltaic Cables
      • Signal Cables and Power Cables
    • Connectors
      • Circular Connectors
      • Data connectors
      • Heavy-Duty Connectors
      • Installation Connectors
    • Control Cabinet Accessories
      • Cable Entry System and Cable Glands
      • Cable Routing and Cable Protection
      • Mounting Material
      • Sockets and Service Interfaces
    • Device Circuit Breakers
      • Electronic Circuit Breakers
      • Thermal Circuit Breakers
      • Thermomagnetic Circuit Breakers
    • DIN Rail Adapter
    • Distribution Blocks and device Terminal Blocks
      • Distribution Blocks
    • Distributors, Adapters, and Conductor Connectors
      • Adapters and Couplings
      • Conductor Connector
      • Distributor Boxes
      • Distributors
    • EMC Filter
    • Energy Monitoring
      • Current Transformers
    • Ferrules
      • AI 0.5
      • AI 0.75
      • AI 1
      • AI 1.5
      • AI 2.5
      • AI 4
      • Assortment Box
    • Fixed Bridges
    • Fuse Plugs
    • Hand Tools
      • Control Cabinet Key
      • Crimping Tools
      • Cutting Tools
      • Profile and Din Rail Cutters
      • Screwdrivers and Cordless Screwdrivers
      • Stripping Tools
      • Testing and Measuring
      • Universal Tools
    • I/O Extension Module
    • Industrial Communication
      • Industrial Ethernet Switches
      • Industrial Routers and Cybersecurity
      • Industrial Wireless
      • Installation Technology and Accessories
    • Industrial Lighting and Signal Lights
      • Signal Lights
    • Marking Material
      • Conductor and Cable Marking
      • Equipment Marking
      • Terminal Marking
    • Motor, Machine, and System Monitoring
      • Function Modules
      • Monitoring Relays and Current Relays
    • NLC Series
    • PCB Terminal Blocks and PCB Connectors
      • PCB Connectors
      • PCB Terminal Blocks
    • PLCs (controllers) and I/Os
      • Building Controls
      • Remote I/O Systems
    • Plug-In Modules
    • Potential Bridge
    • Power Distributors
    • Power Supply Units
      • ESSENTIAL
      • Mini
      • PS
      • QUINT
      • STEP
      • TRIO-PS
      • UNO
      • UNO2
    • Printer
      • Mobile Printers
      • Thermal Transfer Printers
    • Relays and Optocouplers
      • Monitoring Relays
      • Solid-State Relays and Electromechanical Relays
    • Safety Relay Modules and Sensors
      • Safe Coupling Relays
      • Zero-Speed and Over-Speed Safety Relays
    • Short-Circuit Connector
    • Signal Conditioners and Measuring Transducers
    • Surge Protection
      • Information Technology
      • MCR Technology and Signals
      • Photovoltaic Systems
      • Power Supplies
    • Switching Jumper
    • Switching Lock
    • Terminal Blocks
      • Accessories
      • DIKD Series
      • DOK Series
      • DTME Series
      • MPT Series
      • MTK Series
      • MUT Series
      • PT Series
      • PTIO Series
      • PTME Series
      • PTT Series
      • PTTB Series
      • PTTBV Series
      • PTV Series
      • RBO Series
      • ST Series
      • Trunk Line Branch Terminal
      • UDK Series
      • UIK Series
      • UK Series
      • UKH Series
      • UKK Series
      • UKKB Series
      • URTK Series
      • USLKG Series
      • UT Series
      • UTME Series
      • UTT Series
      • UTTB Series
    • Terminal Markers
      • KLM
      • UC-TM
      • UC-TMF
      • UCT
      • UCT-TM
      • UCT-TMF
      • UCT-TN
      • UM1-TMF
    • Test Adapter
    • Test Plug Strip
    • Timer Module
    • Uninterruptible Power Supplies (UPS)
      • Battery Modules
      • DC UPS
      • UPS Accessories and Replacement Batteries
  • Turck
    • Connectivity
      • Cordsets
    • Interface Technology
      • Safety Barriers
    • Sensors
      • Inductive Sensors
      • Photoelectric Sensors
      • Radar Sensors
• Conduit & Fittings
  • Conduit
    • Corrugated
    • Liquid Tight Range
    • NM Range
    • Nylon
  • Conduit Fittings
    • Conduit Ferrules
    • Corrugated
    • Earth Tags
    • Lock Nuts
    • Nickel Plated Brass
    • Nylon
• Controls & Automation
  • Accessories
    • Contact Blocks
    • Screw Connectors
    • Terminal Markers
  • Contactors & Accessories
    • Auxilary Blocks
    • Coils
    • Contactors
      • Coils
    • Delay Timers
    • Din Contactors
    • DOL Starter
    • Mechanical Interlock
    • Reversing Contactors
    • Star Delta
  • Control Sensors
  • Din Bases and Cartridges
    • Size 00
    • Size 1
    • Size 2
    • Size 3
  • Din Fuse Holders and Fuses
    • Fuse Holders
    • Fuses
  • Din Rail and Terminals
    • Accessories
      • Terminal Markers
    • Bridging Bars
    • Din Rail
    • Double Decker
    • Earth Terminals
    • End Caps
    • Fuse Terminal
    • Push In Terminals
    • Screw In Terminals
  • Distribution Boards
    • Flush Adaptor
    • Flush Mount
    • Hinged Window Kit
    • MCB Covers
    • Surface Mount
    • Weather Proof
  • Pilot Lights
    • 11mm
    • 12mm
    • 16mm
    • 22mm
    • 22mm Metal
    • 22mm Test
    • 8mm
    • Buzzer
    • Lamps
  • Potentiometers
  • Relays
    • Bridging Bars
    • Control Relays
    • Protection Relays
    • Relays
    • Solid State Relays
  • Switches and Push Buttons
    • Accessories
    • Cam Switches
    • Contact Blocks
    • Door Switches
    • Joysticks
    • Key Switches
    • Legends
    • Limit Switches
    • Micro Switches
    • Push Buttons
    • Rocker Switches
    • Selector Switches
    • Toggle Switches
  • Terminal Strips and Blocks
  • Timers and Accessories
  • Variable Speed Drives
• Enclosures
  • ABS/Plastic Enclosures
    • Fixed Clear Lid
    • Fixed Grey Lid
    • Hinged Clear Lid
    • Hinged Grey Lid
    • Mounting Plates
    • Terminal Boxes
  • Accessories
  • Aluminium Enclosures
  • Inner Doors to suit Mild Steel Enclosures
  • Junction Boxes
    • Deep
    • Shallow
  • Metal MCB Boxes
  • Polyester Enclosures
  • Push Button Enclosures
  • Rain Hoods suits Mild Steel Enclosures
  • Terminal Boxes
    • Metal Terminal Boxes
    • Stainless Steel Terminal Boxes
  • Wall Mount Enclosures
    • Mild Steel Wall Mount Enclosures
    • Stainless Steel Wall Mount Enclosures
• Hardware
  • Accessories
  • Cam Locks
  • Door Stays
  • Flush Locks
  • Handles
    • D Handle
    • L Handles
      • Anti Clockwise Padlockable
    • Swing Handles
    • T Handles
  • Hinges
  • Keys
  • Locking Mechanism
  • Quarter Turns & Accessories
  • Rubber Extrusion
    • Double Sided Tape
    • Durafoam
    • Masking Tape
    • Multifoam
    • Pinchweld Rubber - EPDM
    • Rubber Extrusion
    • Window Rubber
• Industrial
  • Accessories
    • Grommet Strips
    • IPA Studs
    • PVC Tape
    • Taptites
    • Thumb Screws
  • Cable
  • Cable Management
    • Accessories
    • Adhesive Bases
    • Braided Sleeving
    • Cable Duct
      • Lid
      • Narrow
      • Standard
    • Cable Glands
      • EMC Glands
      • Metal
      • Nylon
    • Cable Ties
    • Fixing Cradles and Eyelets
    • Girder Clips
    • Hole Plugs
    • Line Taps
    • Loom Tube
    • Lugs
      • Bell
      • Bi Metal
      • Butt
      • Long
      • Narrow
      • Standard
    • P Clips
    • Push Rivits
    • Saddles
      • Stainless Steel
      • Zinc Plated
    • Snap Bushes
    • Spiral Binding
    • Terminals
      • Brass & Auto Bullet
      • Heat Shrink Terminals
      • Heavy Duty Sheet Terminals
      • Insulated
      • Non Insulated
    • Vent Bushes
    • Vibration Proof Connectors
    • Wire Numbers
  • Circuit Protection
    • Accessories
    • Bridging Bars
    • Padlock Device
    • Pole Filler
    • Terminal Adaptor
  • Crane Hoist Pendants
  • Earth / Netural / Active Bars
    • Active/Netural Links
      • 10 Hole
      • 12 Hole
      • 13 Hole
      • 14 Hole
      • 5 Hole
      • 7 Hole
    • Earthbars
    • Enclosed Heavy Duty Links
    • Feet
  • Emergency Lighting Kits
  • Fans / Vents & Accessories
    • Air Vents
    • Fans
    • Filters
    • Guards
    • Heaters
    • Thermostats
    • Vent Kits
    • Vent Louvre
    • Wire Screen
  • Float Switches
  • Foot Switches
  • Heat Shrink
    • 2:1 Ratio
    • 2:1 Sticks
    • 3:1 Adhesive Dual Wall
    • 3:1 Adhesive Heavy Wall Tubing
    • 3:1 Adhesive Medium Wall Tubing
    • Adhesive End Caps
    • Adhesive with Zipper
    • Bus Bar Boots
    • Handy Pack
    • High Voltage
  • Industrial Switches / Plugs and Accessories
    • Accessories
    • Changeover Switch
    • Extension Socket
    • Isolating Switches
    • On/Off Switch
    • Plugs
    • Sockets
    • Surface Socket
  • Insulators Bus Bar Cleats and Plugs
    • Cleats
    • Insulators
  • Meter Disconnect Links
    • Disconnect Links & Accessories
  • Power Supplies and Transformers
    • Current Transformers
    • Open Transformers
  • Rotary Encoders
  • Safety Control Equipment
    • Safety Guard Switches
    • Safety Pull Wire Switches
  • Sirens / Bells & Tower Lights
    • Bell
    • Buzzer
    • Hooters & Sirens
    • Rotating Lights
    • Strobe Lights
    • Tower Lights
  • Solenoid Air Control Valves
  • Switchboard Meters
    • Ammeters
    • Bezel
    • Hour Run Meter
    • Maximum Demand Meter
    • Pointer Frequency
    • Scales
    • Switchboard Meters
    • Voltmeters
  • Tools
    • Battery Crimping Tools
    • Cable Tie Tensioner
    • Hand Held Crimp Tools
      • Coaxial Crimper
      • Copper Tube Terminals & Links
      • Cord End Terminals Insulated and Non-Insulated
      • Multi Jaw Crimper
      • Non-Insulated Terminals
      • Pre-Insulated Terminals
      • Solar Crimping Tools
    • Hydraulic Bus Bar Tools
      • Accessories
      • Tools
    • Hydraulic Crimping and Cutting
      • Accessories
      • Hydraulic Crimping
      • Hydraulic Cutting
    • Hydraulic Pumps
    • Hydraulic Steel Puncher
      • Accessories
      • Hole Punch
    • Manual Cutters
      • Cable Cutters
      • Wire Cutters
    • Manual Wire Strippers
    • Piston Shaft
    • Power Man Jnr
    • Punch and Die
    • Terminals & Tool Kits
      • Insulated & Non-Insulated

Relays and Optocouplers