產品名稱：LJ12A3-4-Z/BX 直流NPN三線常開型電感式接近開關
Product Name: LJ12A3-4-Z/BX DC NPN 3-Wire Normally Open Inductive Proximity Switch
產品概述：
LJ12A3-4-Z/BX是一款基于電感原理設計的非接觸式接近傳感器，采用直流供電和NPN型三線制輸出結構，具備可靠的金屬物體檢測功能。該產品采用緊湊的圓柱形不銹鋼外殼設計，表面經過精密加工處理，能夠適應多種工業環境的應用需求。其常開型（NO）輸出模式可在檢測到目標物時快速切換電路狀態，為自動化控制系統提供實時信號反饋。
Product Overview:
The LJ12A3-4-Z/BX is a non-contact inductive proximity sensor designed with DC power supply and NPN 3-wire output configuration, providing reliable metal object detection. Featuring a compact cylindrical stainless steel housing with precision surface treatment, this product is engineered to withstand diverse industrial environments. The Normally Open (NO) output mode enables instantaneous circuit switching upon target detection, delivering real-time signal feedback for automated control systems.
核心特點：
- 穩定檢測性能：有效檢測距離達4mm，對鐵磁性金屬材料響應靈敏，檢測過程中無物理接觸，有效減少機械磨損
- 環境適應性：環氧樹脂全密封工藝配合IP67防護等級，具備防塵、防油污及短時防水能力，可在-25℃至+70℃溫度范圍內穩定工作
- 電氣性能：10-30V寬電壓直流供電，最大負載電流200mA，內置反向極性保護及短路保護功能
- 便捷安裝：標準M12螺紋結構支持快速安裝，提供埋入式和非埋入式兩種感應方式選擇，滿足不同場景的安裝需求
Key Features:
- Reliable Detection: 4mm effective sensing range with high sensitivity to ferrous metals, contactless operation minimizes mechanical wear
- Environmental Resistance: Fully encapsulated with epoxy resin and IP67 rating ensures protection against dust, oil contamination and temporary water immersion, operational from -25℃ to +70℃
- Electrical Performance: 10-30V wide DC voltage input, 200mA maximum load current, integrated reverse polarity and short-circuit protection
- Easy Installation: Standard M12 threaded housing enables quick mounting, optional flush or non-flush mounting styles for flexible application
應用領域：
適用于自動化生產線中的位置檢測、傳送帶物體計數、機床安全防護等場景，可廣泛應用于注塑機械、物流分揀設備、汽車制造裝配線等工業領域。其抗電磁干擾設計和振動耐受性特別適合存在金屬碎屑或油污的復雜工作環境。
Applications:
Ideal for position sensing in automated production lines, object counting on conveyors, and machine tool safety protection. Widely implemented in injection molding equipment, logistics sorting systems, automotive assembly lines, and other industrial settings. The anti-electromagnetic interference design and vibration resistance make it particularly suitable for challenging environments with metal debris or oil contamination.
使用提示：
安裝時應確保檢測面與移動方向保持垂直，避免周圍金屬物體干擾檢測精度。建議定期清潔傳感器表面以保持最佳感應性能，接線時需參照產品標識區分電源正極、負極及信號輸出線。
Usage Tips:
Ensure the sensing face is perpendicular to target movement direction during installation. Maintain adequate clearance from surrounding metal objects to ensure detection accuracy. Regular surface cleaning is recommended for optimal performance. Wiring should follow the polarity markings for power supply and output signal connections.
備注：產品規格可能因批次優化調整，具體參數以實物標簽為準
Note: Product specifications are subject to technical improvements, actual parameters refer to physical product labeling.
