适用范围 Applicable scope

        JRS2系列热过载继电器主要适用于交流50/60Hz，额定工作电压至660V，额定工作电流0.1～630A的电力系统中，供三相交流异步电动机作过载和断相保护之用，热过载继电器还能与CJX1系列交流接触器组合安装于封闭的壳体内, 构成电磁起动器使用。

        执行标准：GB14048.4、IEC60947-4-1。

       JRS2 series thermal overload relay is mainly suitable for AC 50 / 60Hz, rated voltage to 660V, rated current 0.1 ~ 630A power system for three-phase AC induction motor overload and phase failure protection, thermal overload relay can And CJX1 series AC contactor combination installed in a closed shell, constitute the electromagnetic starter.

       Executive Standard: GB14048.4, IEC60947-4-1.

型号及其含义 Model and its meaning

结构特征 Structure

        本系列产品均带有过载和断相保护、整定电流可以调节，且大部分热元件的整定电流为交叉式重叠排列，便于用户选用，具有红色的测试按钮可断开常闭触头的功能，具有温度补偿，使保护特性免受周围环境温度变化的影响，具有独立、插入接触器和导轨等各种安装方式。

       This series of products are equipped with overload and phase failure protection, the current setting can be adjusted, and most of the thermal components of the current setting for the crossover overlapping arrangement for the user to choose, with red test button to disconnect the normally closed contact function, With temperature compensation, the protection features from the ambient temperature changes, with independent, insert the contactor and rail and other mou

nting methods.

主要技术参数 The main technical parameters

外形及安装尺寸 Shape and installation dimensions

订货须知 Ordering instructions

订购JRS2系列热过载继电器时应说明产品型号、规格、整定电流范围、工作频率、安装方式、订货数量。

Order JRS2 series thermal overload relay should indicate the product type, size, setting current range, operating frequency, installation, ordering quantity.