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Allen-Bradley 871TMB4N12C2 - Inductive Sensor 4mm (12mm Barrel)

Allen-Bradley
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Allen-Bradley 871TMB4N12C2 is a metal face inductive sensor designed for reliable proximity detection in motor control applications. It operates on a 20–250V AC/DC range with a normally open AC output configuration and a nominal sensing distance of 4 mm. The sensor features a stainless steel face and barrel with a 12 mm diameter, weighs 5 lb, and connects via a 2 m Toughlink #22 AWG cable. It provides protection against false pulses, transient noise, short circuits, and overloads, meeting NEMA 13 standards. This sensor is suitable for detecting metallic targets in demanding industrial environments, compatible with TFK frames.

Key Features & Specifications
  • Manufacturer: Allen-Bradley
  • Item Subcategory: Motor Control Part And Accessory
  • Weight: 5 lb
  • Wire Size: 22 AWG
  • Compatible Frames: TFK
  • Type: Metal Face Inductive Sensor
  • Barrel Diameter: 12 mm
  • Nominal Sensing Distance: 4 mm
  • Operating Voltage: 20–250V AC/DC
  • Output Configuration: Normally Open AC
  • Connection Type: Toughlink #22 AWG, 2 m cable
  • Housing Material: Stainless Steel
  • Degree of Protection: NEMA 13
  • Shock Resistance: 30 G, 11 ms
  • Vibration Resistance: 55 Hz, 1 mm amplitude, 3 planes
  • Load Current: 5 mA
  • Hysteresis: 7% typical
  • Inrush Current: ≤2 A (one cycle)
  • Leakage Current: ≤1.9 mA @ 120V AC
  • Voltage Drop: ≤10V @ 5–200 mA
  • Repeatability: ≤10% at constant temperature
  • Correction Factor: Steel: 1
  • Status Indicator: Red (output energized), Green (power), Flashing Red/Green (short circuit)
  • Protection: False pulse, transient noise, short circuit, overload


Part Number: 871TMB4N12C2