As a metal object approaches, eddy currents absorb some of the field energy, causing a drop in oscillator power and triggering the NPN closer output. 10pcs New LJ12A3-4-Z/BX Inductive Proximity Sensor Switch NPN DC6-36V ; Detection distance · 4mm ; Voltage · DC 6-36V ; Length · about 1m ; OD · 12mm ; Length · 55mm Detection distance: 0-4 mm. 300mA) <13mA low consumption with LED status indicator., 1., 2m flexible cable for easy wiring. Load current: Output shape: NPN three-wire (not buried). Low-level output signal ensures compatibility with PLCs and industrial controls., (±15% distance stability) Material: Copper/PBT External cable: 1., 2 m. Product includes: 3 x LJ12A3-4-Z BX inductive proximity sensor HI LJ12A3-4-Z Switch Sensor / Switch Inductive Metal Inductive NPN Normally Open 3-Core DC 6-36V Compatible with Arduino Protection: LJ12A3-4-Z inductive proximity sensor with built-in protection against reverse polarity/short circuit/overvoltage (max. Details: Product model: LJ12A3-4-Z/BX Operating voltage: 6-36 VDC. Inductive Proximity Sensor LJ12A3-4-Z/BX Switch NO NPN DC6-36V D12mm | Australia Industrial Proximity Sensor Precise metal detection: NPN NO output with 0-4 mm detection range reliably detects ferrous metals. Inductive Proximity Sensor ( LJ12A3-4-Z/BX), ระยะตรวจจับ 4 mm (ขึ้นอยู่กับชนิดวัตถุที่ตรว 40mm brass thread for secure mounting in harsh environments LJ12A3-4-Z/BX LJ12A3-4-Z/BY New Inductive Proximity Sensor Detection Switch Npn Dc 6 36v For Arduino Plug & Play installation: pre-wired 3-core cable (brown VCC, blue GND, black signal).