適用范圍 Applicable scope
JRS2系列熱過載繼電器主要適用于交流50/60Hz，額定工作電壓至660V，額定工作電流0.1～630A的電力系統中，供三相交流異步電動機作過載和斷相保護之用，熱過載繼電器還能與CJX1系列交流接觸器組合安裝于封閉的殼體內, 構成電磁起動器使用。
執行標準：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.
型號及其含義 Model and its meaning
結構特征 Structure
本系列產品均帶有過載和斷相保護、整定電流可以調節，且大部分熱元件的整定電流為交叉式重疊排列，便于用戶選用，具有紅色的測試按鈕可斷開常閉觸頭的功能，具有溫度補償，使保護特性免受周圍環境溫度變化的影響，具有獨立、插入接觸器和導軌等各種安裝方式。
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.
主要技術參數 The main technical parameters
外形及安裝尺寸 Shape and installation dimensions
訂貨須知 Ordering instructions
訂購JRS2系列熱過載繼電器時應說明產品型號、規格、整定電流范圍、工作頻率、安裝方式、訂貨數量。
Order JRS2 series thermal overload relay should indicate the product type, size, setting current range, operating frequency, installation, ordering quantity.
