CONTACTOR &STARTER >> AC CONTACTOR
K3TB K3TH K3TD
 

           

K3TB AC Contactor

Application
The contactor is suitable for using in the circuits up to the rated voltage 660V AC 50Hz or 60Hz, rated current 630A, for making and breaking, and for frequent starting and controlling the motor. After combined with the mechanical interlocking device, it becomes 3TD Series convertible contactor for controlling, starting, breaking and reversing of the motor. The products comply with IEC60947-4.
Specifications
Type
Rated thermal current (A)
Rated operating current at AC 3 380V (A)
Rated operating current at 660V (A)
The power of controlled motor (KW)
Type of auxiliary contact
380V
660V
K3TB40
20
9
3.33
4
5.5
1NO
K3TB41
20
12
4.33
5.5
7.5
1NC
K3TB42
30
18
7.77
7.5
11
1NO+1NC
K3TB43
30
22
8.5
11
11
2NO+2NC
K3TB44
45
32
12
15
23
 2NC+2NO

                                            

                      3TH80                                                       3TH82

K3TH Auxiliary Contactor

Application
The auxiliary contactor is the auxiliary suited by controlled circuit whose voltage is AC 50/60Hz, 660V and DC 660V. They control all kinds of magnetic coil and amplify or transfer signal to relative controlled element simultaneously. They are characterized by high performance & long service life.
Specifications
Type
Type of Contact
NO
NC
K3TH80
40-0A
4
-
31-0A
3
1
22-0A
2
2
13-0A
1
3
04-0A
-
4
K3TH82
80-0A
8
-
71-0A
7
1
62-0A
6
2
53-0A
5
3
44-0A
4
4

                              

                             K3TD42                                                                                  K3TD52

K3TD Mechanical Interlocking Contactor

Application
The contactor is suitable for using in the circuits up to the rated voltage 660V AC 50Hz or 60Hz, current 300A, for convertible controlling the motor. ItÕs mechanical interlocking device ensures contact changeover of the two convertible contactors.
Specifications
Type
Rated thermal current (A)
Rated operating current at AC 3 380V (A)Rated operating current at 660V (A)
The power of controlled motor (KW)
Type of auxiliary contact
AC 3
AC 4
380V
660V
380V
660V
380V
660V
K3TD40
20
9
3.3
4
5.5
1.4
2.4
K3TD41
20
12
4.3
5.5
7.5
1.9
3.3
K3TD42
30
16
7.7
7.5
11
3.5
6
K3TD43
30
22
8.5
11
11
4
6.6
K3TD44
45
32
15.6
15
23
7.5
13
K3TD45
45
38
18.5
18.5
23
9
15.5
K3TD46
70
45
24
22
39
12
20.8
K3TD47
70
63
28
30
55
14
24.3
K3TD48
90
75
34
37
67
17
29.5
K3TD49
90
85
42
45
67
21
36
K3TD50
150
110
54
55
100
27
46.9
K3TD51
150
140
68
75
100
35
60
K3TD52
180
180
75
90
156
38
66
K3TD53
220
205
96
110
156
50
86
K3TD54
300
250
110
132
235
58
100
K3TD55
300
300
125
160
235
66
114
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