-
Yueqing Ann Electric Co.,Ltd
Tel: +86 577 61787199
Fax: +86 577 61787199
Add: Number 97,Zhen Bei West
Road,Qiligang Town,
YueQing,Zhengjiang,China
E-mail: ann@annelectric.com
Website: www.annelectric.com
-
JR52(3UA) thermal relay is suitable forAC.50Hz Or 60Hz voltage upto 660-1000V,current up to 630A,General AC motor of long ordisconsinuous long operation.usedas overload protection.temperature compe.And triindication it can automati cally andpassivelygethack it canbe fixed with contactor to gether,also belindependtly fixed.
Phase Failure Acution Property
NO
Set Current Times
Intial Condition
Ambient Temperature
Ambient temperature
1
Random two phases
3 Phase
>2h
Cold State
±20±
1.0
0.90
2
1.15
0
<2h
Thermal State(after No.1)
Tripping Property
Action Property
Acction time when three phase balanced
NO
Set Current Times
Action Time
Intial
ConditionAmbient Temperature
1
1.05
>2h
Cold State Start
20±
2
1.2
<2h
Thermal State(After No1)
3
1.5
<2min
≤32
10
<4min
>32
4
7.2
2s<Tp≤10s
≤32
Cold State
10
4s<Tp≤10s
>32
JRS2-12.5Set Current Range
0.1～0.16
1.6～2.5
0.16～0.25
2～3.2
0.25～0.4
2.5～4
0.32～0.5
3.2～5
0.4～0.63
4～3.6
0.63～1
5～8
0.8～1.25
6.3～10
1～1.6
8～12.5
1.25～2
10～14.5
JRS2-25Set Current Range
0.1～0.16
2.5～4
0.16～0.25
3.2～5
0.25～0.4
