—— 朗菲电气·您的首选! ——

产品中心
相序保护器系列 交流接触器系列 热过载继电器系列 整流器系列 手电门系列按钮开关
JR28-200、630 系列热过载继电器

产品名称:JR28-200、630 系列热过载继电器

联系我们(二十四小时为您服务)

产品详情

适用范围 Applicable scope

        JR28-200、630系列电子式热继电器适用于交流50/60Hz,额定电压至660V,电流至30A的电路中,作为三相交流电动机的过载和断相保护。该系列热继电器具有电流调节范围广,灵敏度高,能耗小,动作可靠的优点,可以取代传统的双金属片式热继电器。

        本产品符合GB14048,4,IEC60947-4标准。

       JR28-200,630 series of electronic thermal relay for AC 50 / 60Hz, rated voltage to 660V, current to 30A circuit, as three-phase AC motor overload and phase failure protection. The series of thermal relay with a wide range of current regulation, high sensitivity, low energy consumption, reliable operation, can replace the traditional bimetal thermal relay.

       This product complies with GB14048, 4, IEC60947-4 standards.


型号及其含义 Model and its meaning

1.jpg


正常工作条件和安装条件 Normal working conditions and installation conditions

◇ 海拔高度:不超过2000mo

◇ 周围空气温度-5℃~+40℃,24h内平均温度不超过±35℃。

◇ 大气条件:在+40℃时大气相对湿度不超过50%,在较低温度下可以有较高的相对湿度,最湿月的月平均最低温度不超过+25℃,该月的月平均最大相对湿度不超过90%,并考虑因温度变化发生在产品上的凝露。

◇ 安装面与垂直面的倾斜度不超过±50 0

◇ 在无爆炸危险介质中,且介质中无足以腐蚀金属和破坏绝缘的气体及导电尘埃存在的地方。

◇ 在有防雨雪设备及没有充满水蒸气的地方。

◇ 在无显著摇动、冲击和振动的地方。

◇ 污染等级为3级。

◇ Altitude: not more than 2000mo

◇ Ambient air temperature -5 ℃ ~ +40 ℃, 24h average temperature does not exceed ± 35 ℃.

◇ Atmospheric conditions: at +40 ℃ when the relative humidity of the atmosphere does not exceed 50%, at lower temperatures can have a higher relative humidity, the wettest monthThe monthly average minimum temperature does not exceed +25 ℃, the monthly average maximum relative humidity does not exceed 90%, and consider the temperature changes occurred in Condensation on the product.

◇ The inclination of the mounting surface to the vertical plane does not exceed ± 50 0

◇ in the absence of explosive media, and medium enough to corrode the metal and the destruction of the insulation gas and conductive dust exist.

◇ Where there is anti-snow equipment and not filled with water vapor.

◇ In the absence of significant shake, shock and vibration of the place.

◇ pollution rating of 3.


工作特性 Working characteristics

2.jpg


规格 Specification

3.jpg


外形及安装尺寸 Shape and installation dimensions

4.jpg