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3UA SERIES

 3UA SERIES
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APPLICATION

  3UA series thermal relay is suitable for using is power system with AC 50Hz,rated operation voltage up to 660V and 1000V ,in main circuit ,current form 0.1A to 630 A,It is used to protect AC three-phase asynchronous motor against overload and open-phase.The relays have the rest pushbutton for breaking NC contacts and the operating indication and free trip characteristics.The product also can be supplied with protecting case to ensure safety .The products can be plugged in the contactor and installed independently or mounted by rail.

SPECIFICATION

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
0.4~0.63
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
1000
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
0.4~0.63
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
20~32
25~40
32~45
40~57
50~63
3UA62
180
  
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
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TEL:   +86-577-62775526
E-MAIL:   caleb_yang@hotmail.com
    caleb@mollelec.com.cn
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