DL20CE系列电流继电器产品介绍（中英文）
【中文介绍】
DL20CE系列电流继电器是专为工业自动化、电力系统监测及设备保护设计的高性能控制元件。该产品采用先进的电磁感应技术与数字化处理模块，能够实现对电路电流的精确检测与快速响应，为各类电气设备提供可靠的过载、短路及异常电流保护方案。
该系列产品具备宽范围电流检测能力，支持0.5A-50A的电流设定区间，可满足不同功率等级设备的保护需求。内置的高精度采样电路配合智能算法，确保在±1%的测量精度范围内实现稳定工作，特别适用于对电流波动敏感的精密仪器保护场景。模块化设计使产品具备便捷的安装特性，导轨式固定结构与标准接线端子排设计，显著提升设备集成效率。
DL20CE系列配置双通道继电器输出，支持常开/常闭触点自由切换，可灵活适配多种控制逻辑需求。独特的环境自适应功能使其在-25℃至+70℃宽温域内保持稳定工作状态，防护等级达到IP40标准，能够有效抵御粉尘、潮湿等复杂工况的干扰。为提升系统兼容性，产品特别优化了电磁兼容（EMC）性能，确保在强干扰环境下仍能保持准确的动作特性。
本系列产品已广泛应用于新能源发电系统、轨道交通供电设备、智能建筑配电系统及工业生产线控制等领域，其可靠的故障隔离功能和长达10万次以上的机械寿命，为持续运行的电力系统提供了长效保护。人性化的状态指示灯与机械式刻度调节旋钮，使设备调试与运行监控更加直观便捷。
【English Introduction】
The DL20CE Series Current Relay is a high-performance control component specifically designed for industrial automation, power system monitoring, and equipment protection. Utilizing advanced electromagnetic induction technology and digital processing modules, this product achieves precise current detection and rapid response in electrical circuits, delivering reliable protection against overload, short-circuit, and abnormal current conditions for various electrical devices.
This series features wide-range current detection capability, supporting adjustable current settings from 0.5A to 50A to accommodate equipment protection requirements across different power levels. The integrated high-precision sampling circuit combined with intelligent algorithms ensures stable operation within ±1% measurement accuracy, making it particularly suitable for protecting precision instruments sensitive to current fluctuations. The modular design enhances installation convenience, with rail-mounted fixation and standardized terminal blocks significantly improving system integration efficiency.
Equipped with dual-channel relay outputs supporting freely switchable NO/NC contacts, the DL20CE series offers flexible adaptation to diverse control logic requirements. Its unique environmental adaptability maintains stable operation within a broad temperature range of -25℃ to +70℃, while the IP40 protection rating effectively resists interference from dust, moisture, and other complex working conditions. Enhanced electromagnetic compatibility (EMC) performance ensures accurate tripping characteristics even in high-interference environments.
Widely implemented in renewable energy generation systems, rail transit power supply equipment, intelligent building distribution systems, and industrial production line controls, this product series provides long-term protection through reliable fault isolation and mechanical durability exceeding 100,000 operations. User-friendly design elements including status indicator lights and mechanical calibration knobs enable intuitive device configuration and operational monitoring.
