3TB AC Contactors
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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 IEC947&VDE0660. |
Specification
| Type | Rated thermal current (A) | Rated operating current at 380V(A) | Rated operating current at 660V(A) | The power of controlled motor (KW) | Type of auxiliary contact | |
| 380(V) | 660(V) | |||||
| 3TB40 | 22 | 9 | 7.2 | 4 | 5.5 |
1NO 1NC 1NO+1NC 2NO+2NC |
| 3TB41 | 22 | 12 | 9.5 | 5.5 | 7.5 | |
| 3TB42 | 35 | 16 | 13.5 | 7.5 | 11 | |
| 3TB43 | 35 | 22 | 13.5 | 11 | 11 | |
| 3TB44 | 55 | 32 | 18 | 15 | 15 | 2NO+2NC |