Thermal overload relay

Sieno JRS2(3UA-68) thermal overload relay

  • JRS2(3UA-68) thermal overload realy JRS2-3UA series thermal realy is suitabel for using in power system with AC 50Hz,rated operation voltage up to 660V and 1000V,in main cirucuit,current from 0.1A
  • Product description: Sieno JRS2(3UA-68) thermal overload relay
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Sieno JRS2(3UA-68) thermal overload relay

JRS2(3UA-68) thermal overload realy JRS2-3UA series thermal realy is suitabel for using in power system with AC 50Hz,rated operation voltage up to 660V and 1000V,in main cirucuit,current from 0.1A to 630A.It is used to protect AC three-phase asynchronous motor against overload and open-phase.The realys have the best push-button for breaking NC contacts and the operating indication and free trip characteristi.The products also can be supplied with protecting case to ensure safety.The products can plug in the contactor and install independently or mount by rail.


Technical Data:


Type Rated operating current(A) Rated insulation voltage Current Setting range
JRS23UA50 12.5 660 0.1~0.16,0.16~0.25,0.25~0.4,0.32~0.63,0.63~0.1,0.8~1.25,
1~1.6,1.25~2,1.6~2.5,2~3.2,2.5~4,3.2~5,4~6.3,5~8,6.3~10,8~12.5
JRS23UA52 25 660 0.1~0.16,0.16~0.25,0.25~0.4,0.32~0.63,1.63~0.1,0.8~1.25,1~1.6,
1.25~2,1.6~2.5,2~3.2,2.5~4,3.2~5,4~6.3,5~8,6.3~10,8~12.5,10~16,
12.5~20,16~25
JRS23UA54 32 660 4~6.3,6.3~10,10~16,12.5~20,16~25,20~2
JRS23UA58 80 660 16~25,20~32,25~40,32~50,
40~57,50~63,57~70,63~80
JRS23UA59 63 660 0.1~0.16,0.16~0.25,0.25~0.4,0.32~0.63,1.63~0.1,0.8~1.25,1~1.6,
1.25~2,1.6~2.5,2~3.2,2.5~4,3.2~5,4~6.3,5~8,6.3~10,8~12.5,
10~16,12.5~20,16~25,20~32,25~40,32~45,40~57,50~3
JRS23UA62 180 660 55~80,63~90,80~110,90~120,110~135,120~150,135~160,150~180
JRS23UA66 400 1000 80~125,125~200,200~320,250~400
JRS23UA68 630 1000 320~500,400~630



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