3UA JRS2 Overload thermal Relay

3UA JRS2 Overload thermal Relay

3UA thermal relay is suitable for using in power system with AC 50Hz, rate operation voltage up to 660V and 1000V, in main circuit, current from 0. 1A to 630A. It is used to protect AC three-phase asynchronous motor against overload and open-phase.

The current setting value can be regulated and the setting current values of many thermal elements are intercrossing overlapping arrangement, for easy selecting by the customers from -25 centigrage
To +55 centigrade air temperature as the products have temperature compensating. The relays have the test push-button for breaking NC contacts, the operating indications and free trip characteristics. The items conform to IEC60947-4.
HS Code:  85362000
Model: 3UA
Standard: IEC60947-4
Specification:
Rated voltage: 660, 1000V
Rated current: 12. 5, 25, 32, 80, 63, 180, 400, 630A
Type
  Rated operating
current (A)
  Rated insulation
voltage (V)
  Current Setting range (A)
 
  3UA50  
  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
 
3UA52
  25
  660
  0.1~0.16,0.16~0.25,0.25~0.4,0.32~0.63,1.63~1,
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
 
3UA54
  32
  660
  4~6.3,6.3~10,10~16,12.5~20,16~25,20~32
 
3UA58
  80
  660
  16~25,20~32,25~40,32~50,
40~57,50~63,57~70,63~80
 
3UA59
  63
  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,
4~6.3,5~8,6.3~10,8~12.5,10~16,12.5~20,16~25,
20~32,25~40,32~45,40~57,50~63
 
3UA62
  180
  660
  55~80, 63~90, 80~110, 90~120, 110~135,
120~150, 135~160, 150~180
 
3UA66
  400
  1000
  80~125, 125~200, 180~250, 200~320, 250~400
 
3UA68
  630
  1000
  320~500, 400~630