LJ12A3-4-ZBX 圓形接近開關傳感器產品介紹（中英文）
【中文介紹】
LJ12A3-4-ZBX是一款高性能非接觸式接近開關傳感器，采用三線直流NPN輸出型設計，具備常開觸點功能。其緊湊的圓形結構（M12×1螺紋接口）適合空間受限的工業場景，外殼采用不銹鋼材質，防護等級達到IP67，可適應粉塵、油污及潮濕環境。內置高頻感應技術，可快速檢測金屬物體的接近狀態，響應時間小于1ms，有效檢測距離達4mm±10%，確保精準穩定的信號輸出。
產品特點：
- 高頻響應：1kHz快速響應頻率，滿足高速檢測需求
- 寬壓設計：DC 10-30V寬電壓輸入范圍，兼容多種工業電源
- 抗干擾強：內置反向極性保護和浪涌抑制電路
- 溫度穩定：-25℃至+70℃寬溫工作范圍
- 安裝便捷：360°全向感應設計，支持嵌入式或表面安裝
應用領域：
適用于自動化產線、包裝機械、數控機床等場景，可檢測金屬工件位置、設備限位控制、傳送帶物體計數等。典型應用包括機械臂定位、傳送帶分流控制、自動化倉儲系統等。
技術參數：
工作電流：≤15mA
輸出電流：≤200mA
空載電流：≤1.5mA
導線長度：標準2米（可定制）
使用提示：
建議安裝時與金屬背景保持1倍直徑間距，定期清理感應面附著物。配套控制器時應確保負載電流不超過額定值，長距離布線建議使用屏蔽電纜。
【English Introduction】
The LJ12A3-4-ZBX is a high-performance non-contact proximity sensor with 3-wire DC NPN normally open configuration. Featuring a compact cylindrical design (M12×1 thread), this sensor integrates high-frequency oscillation technology for reliable metal object detection within 4mm±10% sensing range. The stainless steel housing provides IP67 protection against dust, moisture and oil contamination, making it ideal for harsh industrial environments.
Key Features:
- High-speed response: 1kHz switching frequency for rapid detection
- Wide voltage input: 10-30V DC compatible with industrial power systems
- Enhanced durability: Reverse polarity protection and surge suppression
- Temperature stability: Operational range from -25℃ to +70℃
- Omnidirectional sensing: 360° detection field simplifies installation
Applications:
Ideal for position detection in automated production lines, CNC machine tools and material handling systems. Typical use cases include robotic arm positioning, conveyor sorting systems, and automated warehouse equipment.
Technical Specifications:
Supply Voltage: 10-30V DC
Current Consumption: ≤15mA
Output Current: ≤200mA
Leakage Current: ≤1.5mA
Cable Length: Standard 2m (customizable)
Installation Notes:
Maintain minimum clearance of 12mm from surrounding metal surfaces. Regular cleaning of sensing surface is recommended for optimal performance. When connecting to controllers, ensure load current does not exceed rated capacity. Shielded cables are suggested for long-distance wiring.
This sensor combines precision engineering with robust construction, delivering consistent performance in demanding industrial applications while maintaining simple integration with existing control systems. Its vibration-resistant design ensures reliable operation even in high-mobility scenarios.
