SCHNAP Logo

Making Trade Life Easy!
  • Menu
    • Cable
      • Power Cables
        • Building Wire (TPS)
        • Twin & Earth Cable
        • Aerial Bundle Cable
        • XLPE Cable
        • Orange Circular Cable
        • Flexible Cable
        • Flat Cable
        • Fire Rated Cable
      • Specialty Cable
        • Low Voltage / Garden Cable
        • Control & Security Cable
        • SDI Cable
        • Speaker / Figure 8 Cable
      • Data & Comms Cable
        • Cat5e / Cat6 / Cat6A Cable
        • Phone / Voice Cable
        • Coaxial / TV Cable
        • Automation Cable (C-Bus. KNX, Dynalite)
      • Fibre Optic Cable
        • Fiber Cable
        • Cheerline Cable
      • Solar Cable
      • Cable Accessories
        • Aluminium Lugs
        • Copper Lugs
        • Bi-Metal Lugs
        • Circuit Breaker Lugs
        • Bootlace Pins & Terminals
        • Bullet Terminals
        • Forked Terminals
        • Insulated Bell Terminals
        • Insulated Pins
        • Lug Terminals
        • Non Insulated Tabs
        • Piggy Back Terminals
        • Quick Disconnects
        • Stud Rings
        • Terminal Lip Blades
        • C Connectors
        • Crimp Links
        • Waterproof Crimp Links
        • In-Line Splices
        • Cable Joiners
        • View more →
      • Cable Support
        • Cable Tray
        • Cable Ladder
        • Tray & Ladder Accessories
        • Cable Ties, Clips & Straps
        • Catenary Wire & Accessories
        • Gripple
        • Hook & Loop
        • Saddles
        • Purlin Clips
        • Brackets
      • Conduit & Ducts
        • Heavy Duty Conduit
        • Medium Duty Conduit
        • Communications Conduit
        • NBN Conduit
        • Solar Conduit
        • Corrugated Conduit
        • Anaconda Pipe & Adaptors
        • Rubber / Flex Conduit
        • Split Conduit / Loom Tube
        • Conduit Fittings
        • Cable Duct
        • Skirting Duct & Accessories
        • Cable Covers
        • Cable Pulling Accessories
        • Pits, Pillars & Underground Enclosures
    • Electrical
      • Switchboards & Meter Boxes
        • Flush Mounted Switchboards
        • Surface Mounted Switchboards
        • Temporary Switchboards
        • Temporary Switchboard Accessories
        • Distribution Boards
        • Meter Boxes
        • Plastic Enclosures
        • Metal Enclosures
        • Circuit Breaker Enclosures
        • NBN Enclosures
        • IP Rated Enclosures
        • Adaptable Boxes & Accessories
        • Pushbutton Enclosures
        • Junction Boxes
        • Extension Boxes
        • Enclosure Accessories
      • Switch Gear & Protection
        • AC Circuit Breakers
        • DC Circuit Breakers
        • Plug-In Circuit Breakers
        • Moulded Case Circuit Breakers (MCCB)
        • MCCB Accessories
        • Residual Current Devices (RCDs)
        • MCB / RCD / RCBO Combos
        • Surge Protection
        • Arc Fault Detection
        • Main Switches
        • Change Over Switches
        • Isolators
        • Contactors & Equipment
        • Contactor Accessories
        • Relays
        • Overload Relays
        • Relay Bases
        • Thermal Overloads
        • Electronic Overloads
        • Fuses & Fuse Holders
        • View more →
      • Timers
        • Analogue Timers
        • Digital Timers
        • Delay On/Off Timers
        • Multi Function Timers
        • Run On Timers
        • Switch Timers
      • Metering
        • Kilowatt Hour Meters
        • Kilowatt Hour Accessories
        • Run Time Meters
        • Current Transformers & Accessories
      • Switchboard Accessories
        • Busbars
        • Active Neutral Earth Bars & Links
        • Connection Clamps & Hooks
        • Connection Brackets
        • Connection Devices
        • Connection Tools
        • Mains Connection Boxes
        • Property Poles & Accessories
        • Hooks & Bolts
        • Glands
        • Bushes
        • Locknuts
        • Grommets
        • Din Rails
      • Earthing
        • Earthing Stakes
        • Earthing Clips & Clamps
        • Earthing Pits
        • Earthing Tags
        • Equipotential Bonding Solutions
    • Lighting
      • Indoor Lighting
        • Downlights
        • Battens
        • Batten Holders
        • Oysters
        • Panels & Troffers
        • Strip Lighting
        • Track Lighting
        • Cabinet Lighting
        • Heat Light Units
        • Wall Lights (Indoor)
      • Outdoor & Landscape
        • Floodlights
        • Bollard Lights & Accessories
        • Bunker Lights
        • Garden Lights
        • Step Lights
        • Deck Lights
        • Outdoor Wall Lights
        • Spot Lights
        • Street / Area Lights
      • Commercial & Industrial
        • High Bays
        • Shoplighters
      • Lamps & Globes
      • Ceiling Fan Lights & Fittings
      • Lighting Accessories
        • Ceiling Roses
        • General Lighting Accessories
      • Exit & Emergency
        • Exit Lights (LED)
        • Exit Parts & Accessories
        • Emergency Battens (LED & Weatherproof)
        • Emergency Floodlights
        • Emergency Spitfires (Recessed & Surface)
        • Emergency Test Kits & Log Books
        • Emergency Parts & Accessories
    • Solar & Smart
      • Automation
        • C-Bus Controllers
        • C-Bus Dimmer Controllers
        • C-Bus Keypads
        • C-Bus Mechs
        • C-Bus Sensors
        • C-Bus Output Boards
        • C-Bus Input Boards
        • C-Bus Built Boards
        • C-Bus Network Interface & Bridges
        • C-Bus PC Interface & Dongles
        • C-Bus Power Supply
        • C-Bus Bus Couplers
        • C-Bus Gateways
        • C-Bus Relays
        • C-Bus Wall Box & Plates
        • Clipsal Wiser
      • Smart Switches & Outlets
      • Smart Lighting
        • Smart Lighting Fittings
        • Smart Security Lighting
        • Smart Lighting Accessories
      • WiFi & Wireless
        • Access Points
        • Mesh Systems
        • WiFi Extenders
        • Point to Point Links
        • Cloud Keys
        • WiFi Cameras & Doorbells
      • Security & Surveillance
        • CCTV Cameras
        • NVRs / CCTV Recorders
        • CCTV HDDs
        • CCTV Kits
        • CCTV Solar Kits
        • Wireless CCTV
        • CCTV Accessories
      • Access Control
        • Electric Strikes
        • Exit Buttons
        • Keypad Access & Accessories
      • Intercoms
        • Intercom Kits
        • Intercom Add-Ons & Accessories
      • Alarms & Detection
        • Smoke Alarms
        • Heat Detectors
        • Smoke & Heat Detection Accessories
        • Wireless Modules
        • Break Glass
        • Alarm Accessories
        • Security Cable
        • Security Power Supplies
        • Security Tools
      • Home Entertainment
        • Speakers
        • Speaker Cable
        • Amplifiers
        • Audio Accessories
    • Industrial
      • Industrial Plugs & Sockets
        • Industrial Plugs
        • Industrial Sockets
        • Industrial Inlet Sockets
        • Industrial Outlets
      • Industrial Switchgear
        • Industrial Mounting Enclosures
        • Industrial Body Only Enclosures
      • Motors & Motor Control
        • Starting Equipment (DOL, Soft Starters)
        • Motor Control Accessories
      • Switching & Control
        • Push Buttons & Selector Switches
        • Emergency Stop Equipment
        • Foot Switches
        • Limit Switches
        • Toggle Switches
        • Sensors
      • Lights, Bells & Beacons
        • Pilot Lights
        • Bells / Sirens / Screamers
        • Strobe Beacons
      • Industrial Accessories
    • Tools
      • Hand Tools
        • Pliers
        • Cutters
        • Strippers
        • Crimpers & Dies
        • Screwdrivers
        • Hammers
        • Knives
        • Saw & Hacksaws
        • Tin Snips
        • Adjustable Wrenches
        • Allen Keys
        • Levels
        • Tape Measures
        • Caulking Guns
        • Rivet Guns
        • Cable Tie Guns
        • Banding Tensioning Tools
      • Power Tool Accessories
        • Drill Bit Sets
        • Drill Bit - Metal & Wood
        • Drill Bit - Masonry
        • Drill Bit - Glass & Tile
        • Drill Bit - Ceramic
        • Drill Bit - Long Series
        • Multi Purpose Drill Bits
        • Hole Saws & Kits
        • Hole Saw Blades & Accessories
        • Spade Bits & Kits
        • Step Drills
        • Auger Bits
        • Driver / Adapter Bits
        • Hexagonal Driver Bits
        • Extension Bars
        • Cut Off Discs
        • Flap Discs
        • Grinding Discs
        • Blades
        • Hacksaw Blades
      • Meters & Testers
        • Multimeters
        • Clamp Meters
        • Insulation Testers
        • RCD Testers
        • Loop Impedance Testers
        • Multifunction Testers
        • Voltage Testers
        • Phase Rotation Testers
        • Pair Testers
        • Appliance Testers
        • Lux Meters
        • Circuit Tracers
        • Butt Phones & Accessories
        • Meter Load Testers
        • Earthing Leads
        • Test Equipment Accessories
      • Heat & Soldering
        • Soldering Irons
        • Corded Heat Guns
        • Gas & Gas Torches
        • Solder
      • Work & Safety Lights
        • Torches & Work Lights
        • Magnets
      • Tool Storage
        • Tool Bags & Carriers
      • Tool Kits
      • Fixings & Hardware
        • Wood Screws
        • Metal Screws
        • Masonry / Brick Screws
        • Bakerlite Screws
        • Assorted Screw Packs
        • Nuts and Bolts
        • Nylon Nuts & Bolts
        • Washers
        • Rivets
        • Toggles
        • Wall Fixings
        • Wall Mates / Plaster Mates
        • Drop In Anchors
        • Dyna Bolts / Sleeve Anchors
        • Eye Bolts
        • Nylon Nail In Anchors
        • Screw Bolts
        • Wall Plugs
        • Chain
        • D Shackles
      • Consumables
        • Electrical Insulation Tape
        • Self Amalgamating Tape
        • Construction Tape
        • Double Sided Tape
        • Duct Tape
        • Warning Tape
        • Adhesives & Glue
        • Silicone & Foam
        • Paint & Zinc Spray
        • Corrosion Inhibitors
        • Fire Seal
        • Pens, Pencils & Markers
        • Crayons
        • Compliance Certificates
        • Appliance Test Log Books
        • Emergency Testing Log Books
        • Batteries
        • Vacuum Accessories
    • Brands
    • Blog
  • TRADE SUPPORT
    ACCESS TRADE PRICING
Trade Discount 20%

2-Wire AC Proximity Sensor 12mm Normally Closed Output Stainless Steel Housing Allen-Bradley

BRAND: Allen-Bradley
SKU: 871TH4B12
$408.10 List price: $508.60
+ −
30 Days Return Electricians Unlock Trade Access
The 2-Wire AC Proximity Sensor 12mm is designed for reliable object detection in industrial automation.
Technical Specifications
  • Sensor Type: Proximity sensor
  • Wiring: 2-wire AC
  • Diameter: 12mm
  • Sensing Distance: 4mm
  • Output Type: Normally closed (N.C.)
  • Housing Material: Tubular stainless steel
  • Cable: PVC
  • Shielding: Unshielded
  • Dimensions (H x L x W): 50mm x 50mm x 12mm
  • Weight: 0.1 kg
Key Features
  • 2-wire AC operation
  • 12mm diameter tubular stainless steel housing
  • 4mm sensing distance
  • Normally closed (N.C.) output
  • Unshielded design
  • PVC cable for connection
Professional Installation Requirements
  • Installation by a qualified technician or electrician is recommended to ensure proper wiring and sensor function.
Applications
  • Industrial automation for object detection
  • Manufacturing process control
  • Conveyor systems
  • Robotics and machinery safety
Standards & Compliance
  • Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
  • Durable stainless steel housing reduces replacement frequency and waste
  • Energy-efficient sensor operation minimizes power consumption
Warranty Information

Radwell 2-year warranty included; factory warranty does not apply.

Available Now

The Allen-Bradley 871TH4B12 Proximity Sensor is available for immediate purchase, ideal for industrial automation and manufacturing applications.

Related Products