|
Type
|
3TF-50
|
3TF-51
|
3TF-52
|
3TF-53
|
||
|
Rated insulation voltage
|
1000
|
1000
|
1000
|
1000
|
||
|
Rated operational current(380V)
|
AC-3
|
110
|
140
|
170
|
205
|
|
|
AC-4
|
54
|
68
|
75
|
96
|
||
|
Rated outputs of three-phase motors at 50Hz |
AC-3 AC-4 |
230/220V
|
37
|
43
|
55
|
64
|
|
400/380V
|
55
|
75
|
90
|
110
|
||
|
500V
|
76
|
98
|
118
|
145
|
||
|
690/660V
|
100
|
100
|
156
|
156
|
||
|
1000V
|
65
|
65
|
90
|
90
|
||
|
400/380V
|
28.4/27
|
36/35
|
40/38
|
52/50
|
||
|
690/660V
|
49/46.9
|
63/60
|
69/66
|
90/86
|
||
|
(×106)Mechanical endurance
|
10
|
10
|
10
|
10
|
||
|
(×106)Mechanical endurance
|
AC-3
|
1.2
|
1.2
|
1.2
|
1.2
|
|
|
AC-4
|
0.2
|
0.2
|
0.2
|
0.2
|
||
|
Switchina frequency
|
AC-3
|
1000
|
750
|
750
|
750
|
|
|
AC-4
|
300
|
200
|
200
|
200
|
||
|
Coil voltage lolerance
|
(0.8~1.1)Us
|
|||||
|
Power consumption of coil(50Hz)
|
Closed
|
39
|
39
|
58
|
58
|
|
|
P.f.
|
0.24
|
0.24
|
0.26
|
0.26
|
||
|
Closing
|
550
|
550
|
910
|
910
|
||
|
P.f.
|
0.45
|
0.45
|
0.38
|
0.38
|
||
|
Convention althermal current
|
160
|
160
|
210
|
210
|
||
|
Conventional thermal current of auxiliary contacts |
10
|
10
|
10
|
10
|
||
|
㏑ated operational current of auxiliary contacts
|
AC-15
380/220V |
4/6
|
4/6
|
4/6
|
4/6
|
|
|
Weight
|
AC3.3/3.5
|
AC3.3/3.5
|
AC0.48/5.0
|
AC0.48/5.0
|
||