LL-10A系列过流继电器产品介绍
【中文版】
LL-10A系列过流继电器是专为电力系统及工业设备保护设计的高性能控制元件，适用于交流/直流电路中对电流异常状态进行实时监测与快速切断。产品采用模块化设计理念，结合智能化监测算法，为电网、新能源设备、工业自动化等领域提供稳定可靠的过载及短路保护解决方案。
核心特点：
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灵敏监测与快速响应
设备内置高精度电流采样单元，可实现0.5A-200A宽范围电流监测，响应时间缩短至15ms以内。通过动态阈值调整技术，有效识别瞬态电流波动与真实故障信号，避免误动作的同时确保保护时效性。
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多重安全防护机制
配备独立双触点输出结构，主触点采用银合金材料，支持高达5000次机械寿命与100A分断能力。内置电弧抑制装置，配合耐高温陶瓷基座，可在-25℃至+70℃宽温域环境下保持稳定工作状态。
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智能化功能集成
集成LED状态指示灯与机械动作指示窗口，支持远程/本地双重工作模式切换。可选配RS485通信模块，实现设备运行数据的实时采集与系统联动，便于构建数字化配电管理系统。
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工程适配性强
紧凑型壳体设计符合35mm标准导轨安装规范，支持垂直/水平多向固定。透明防护盖设计便于参数核查，接线端子采用防松脱弹簧结构，适配4mm²以下导线直插式连接，显著提升现场安装效率。
典型应用：
• 光伏逆变器直流侧过流保护
• 低压配电柜支路保护
• 电动机启动电流监控
• 轨道交通牵引系统
• 储能设备电路管理
【English Version】
LL-10A Series Overcurrent Relay Product Introduction
The LL-10A series overcurrent relay is a high-performance control component specifically engineered for power system protection and industrial equipment applications. Suitable for both AC/DC circuits, it delivers real-time current anomaly detection and rapid circuit interruption, providing reliable overload and short-circuit protection for power grids, renewable energy systems, and industrial automation scenarios.
Key Features:
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Precision Detection & Instant Response
Equipped with advanced current sampling technology, the device covers a broad detection range from 0.5A to 200A with response time under 15ms. Its adaptive threshold adjustment mechanism effectively distinguishes between transient current fluctuations and genuine fault signals, ensuring protection reliability without false triggering.
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Enhanced Safety Architecture
Dual-contact output structure incorporates silver-alloy main contacts, delivering 5000-operation mechanical endurance and 100A breaking capacity. Integrated arc suppression and high-temperature resistant ceramic base ensure stable performance across -25℃ to +70℃ environments.
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Intelligent Operation Management
Dual-indication system combines LED status lights with mechanical flag indicators, supporting local/remote mode switching. Optional RS485 communication module enables real-time data transmission for seamless integration into digital power management systems.
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Engineering-Optimized Design
Compact housing complies with 35mm DIN rail standards, allowing vertical/horizontal mounting orientations. Transparent protective cover facilitates parameter verification, while spring-clamp terminals accept up to 4mm² conductors for tool-free installation.
Typical Applications:
• DC-side protection in photovoltaic inverters
• Branch circuit protection for LV distribution cabinets
• Motor starting current supervision
• Rail traction system protection
• Energy storage device circuit management
该系列产品通过严苛的环境适应性测试，在电磁干扰、机械振动等复杂工况下仍能保持精准运作。制造商持续优化产品细节设计，致力于为全球用户提供兼顾安全防护与运维便捷的电路保护方案。
