供应西门子独立安装热过载继电器3UA59401C **促销

**：西门子   型号：3UA热继电器

3UA 系列热过载继电器适用于交流50Hz/60Hz，电压690V - 1000V，电流0.1 - 400A 的长期工作或间断长期工作的一般交流电动机的过
载与断相保护，也可用作直流电磁铁和直流电动机的过载保护。
继电器具有断相保护，温度补偿，脱扣指示功能，并能自动与手动复位，动作**，符合IEC947 - 4, VDE0660, GB14048 等标准。
继电器可与接触器接插安装，也可独立安装。
3UA 热过载继电器
工作条件
● 海拔高度不**过 2000 米；
● 周围环境温度：-25~+55°C
● 空气相对湿度：+25°C时不**过90%;
结构特点
● 3UA 系列为双金属片式热过载继电器，脱扣等级为10A;
● 具有差动式断相保护；
● 具有整定电流连续可调装置；
● 具有温度补偿；
● 具有脱扣指示；
● 具有测试按钮；
● 具有手动复位和自动复位按钮；
● 具有在电气上相互绝缘的一常开和一常闭触头；
● SIGUT- 西门子**端接法，接线方便、牢固，接触**性高，抗振性强，安全防护性好；
● 安装方式：与接触器接插安装或独立安装。

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