jrs1(lr1-d)系列熱過載繼電器用于交流50或60hz,電壓至660v,電流至80a及以下電路中,供交流電動機熱保護用。并且有差動機構(gòu)和溫度補償環(huán)境節(jié),可與cjx2(lc1-d)交流接觸器配裝,也可獨立安裝。
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、動作特性:三相負載平衡時的動作時間 motion characteristic:three-phase balance motion time
序號 no | 整定電流倍數(shù) set current cinles | 動作時間 motion time | 起始條件 start conidition | 環(huán)境溫度 temperature | ||
1 | 1.05 | >2h | 冷態(tài) cold state | 20±5℃ | ||
2 | 1.2 | >2h | 熱態(tài) heat state (接序號1試驗后) following the test | |||
3 | 1.5 | <4min | ||||
4 | 7.2 | 10a | 2s | ≤63a | 冷態(tài) cold state | |
10a | 4s | >63a |
三、斷相動作性能 phasel-losing motion characteristic
序號 no | 整定電流倍數(shù) set current cinles | 動作時間 motion time | 起始條件 start conidition | 環(huán)境溫度 temperature | |||
任意二相 arbitrary two phase | 第三相 three phase | ||||||
1 | 1.0 | 0.9 | 冷態(tài) cold state | 20±5℃ | |||
2 | 1.15 | 0 | 熱態(tài) heat state (接序號1試驗后) following the test |
lr2-d系列熱過載繼電器用于交流50或60hz,電壓至660v,電流至93a及以下的電路中,供交流電動機熱保護用。并且有差動機構(gòu)和溫度補償環(huán)境節(jié),可與cjx2(lc1-d)交流接觸器配裝,也可獨立安裝。
lr2-d series thrmal relay is suitable for using in the circuits rated voltage up to 660v,rated current 93a ac 50hz or 60hz,for over-voltage protection of a.c.motor.the ay has the differential mechanism and temperature compensation and can plug ir cjx2(lc1-d) series a.c.contactor.
四、規(guī)格 specifications
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lr1-09-25(f型) lr1-09-25(z型)


lr1-40-80(f型) lr1-40-80(z型)



lr2-d33