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3TB

3TB

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APPLICATION
     3TB Series AC contactor are latest products in 1990¡¯s.The products bring in produce technical from semo company in germang for 50/60Hz,rated insulation voltage up to 690-1000V,rated operational current up to 9A-400A at rated operational coltage up to 380V under the utilization category AC-3.CJl(3TB)Series AC Conttactors are mainly used for making breaking electric circuits at a long distance and for frequent starting stopping and reversing control of AC motors.They standard with IEC947.VDE0660.GB14048
SPECIFICATIONS
Type
3TB-40
3TB-41
3TB-42
3TB-43
3TB-44
Rated insulation voltage
660
660
660
660
660
Rated operational current(380V)
AC-3
9
12
16
22
32
AC-4
3.3
4.3
7.7
8.5
15.6
Rated outputs of three-phase motors at 50Hz
AC-3
230/220V
2.4
3.3
4
6.1
8.5
400/380V
4
5. 5
7.5
11
15
500V
5.5
7 .5
10
11
21
690/660V
5.5
7.5
11
11
23
1000V
-
-
-
-
-
AC-4
400/380V
1.4
1.9
3.5
4
7.5
690/660V
2.4
3.3
6
6.6
13
(¡Á106)Mechanical endurance
10
10
10
10
10
(¡Á106)Mechanical endurance
AC-3
1
1
1
1
1
AC-4
0.2
0.2
0.2
0.2
0.2
Switching frequency
AC-3
1000
1000
750
750
750
AC-4
250
250
250
250
250
Coil voltage Tolerance
(0.8¡«1.1)Us
Power consumption of coil(50Hz)
Closed
10
10
10
10
10
P.f.
0.29
0.29
0.29
0.29
0.29
Closing
68
68
68
68
68
P.f.
0.82
0.82
0.82
0.82
0.82
Conventional thermal current
20
20
30
30
45
Conventional thermal current of auxiliary contacts
10
10
10
10
10
©Rrated operational current of auxiliary contacts
AC-15
6/10
6/10
6/10
6/10
4/6
380/220V
Weight
0.43
0.43
0.49
0.49
0.7
The number of AC coil voltage
Coil for 50Hz AC V
Coil for 50Hz/60Hz AC V
24
BO
24
C1
42
DO
42
D1
110
FO
110
G1
220
MO
220
P1
240
UO
240
R1
380
QO
¡¡
¡¡
 
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