JRS1-D09314 7-10A 热继电器 一、用途及适用范围 introduction and applications jrs1(lr1-d)系列热过载继电器用于交流50或60hz,电压至660v,电流至80a及以下电路中,供交流电动机热保护用。并且有差动机构和温度补偿环境节,可与cjx2(lc1-d)交流接触器配装,也可独立安装。 jrs1(lr1-d)series thermal relay is suitable for using in the circuits rated voltage up to 660v,rated current 93a ac 50hz or 60hz,for over-voltage potection of a.c.motor.the ay has the differential and tem perature compensation and can plug ir cjx2(lc1-d)series a.c contactor. 二、动作特性:三相负载平衡时的动作时间 motion characteristic:three-phase balance motion time 序号 no | 整定电流倍数 set current cinles | 动作时间 motion time | 起始条件 start conidition | 环境温度 temperature | 1 | 1.05 | >2h | 冷态 cold state | 20±5℃ | 2 | 1.2 | >2h | 热态 heat state (接序号1试验后) following the test | 3 | 1.5 | <4min | 4 | 7.2 | 10a | 2s | ≤63a | 冷态 cold state | 10a | 4s | >63a | 三、断相动作性能 phasel-losing motion characteristic 序号 no | 整定电流倍数 set current cinles | 动作时间 motion time | 起始条件 start conidition | 环境温度 temperature | 任意二相 arbitrary two phase | 第三相 three phase | 1 | 1.0 | 0.9 | 冷态 cold state | 20±5℃ | 2 | 1.15 | 0 | 热态 heat state (接序号1试验后) following the test | lr2-d系列热过载继电器用于交流50或60hz,电压至660v,电流至93a及以下的电路中,供交流电动机热保护用。并且有差动机构和温度补偿环境节,可与cjx2(lc1-d)交流接触器配装,也可独立安装。 |