3TF47 AC Contactor

Category: .

1.Specification

3TF/3TB /CJX1 AC Contactors are suitable in electrical system with AC 50/60Hz, rated operational voltage up to 660V. In AC-3 usage, rated operational voltage up to 380V, rated operational current up to 630A to make or break remote motors or system. They form electromagnetic starters with suitable thermal overload or phase-failure. They are made according to IEC947, BS5424 & VDE0660.
The contactor is a straight motion mechanism having double-breaking contacts. The auxiliary contacts are arranged 2NO.2NC at most, It is employed the flexible locking connection between the contact support and core, three are no arcisolated panle in the Ie≤22A contactors. in the le≥32A contacotors. there are moulded arc-chute with arc-isolated panel. because all contacts are made of high nonfusibility and against corrosion silver alloy. All series products can be mounted by screws, le≤32A contactor also by installation rail.

Type Rated
thermal
current
(A)
Rated
operation
current
(A)
(KW)
Controllable power of motor
Type
of auxiliary
contact
AC-3 AC-4
380V 660V 380V 660V 380V 660V
3TF4011 20 9 7 4 5.5 1.4 2.4 NO
NC
1NO+1NC
2NO+2NC
3TF41 20 12 8.5 5.5 7.5 1.9 3.3
3TF42 30 16 12.5 7.5 11 3.5 6
3TF43 30 22 16.5 10 15 4 6.6
3TF44 55 32 24 15 22 7.5 13
3TF45 55 38 24 18.5 22 9 15.5
3TF46 80 45 40 22 37 12 20.8
3TF47 80 63 60 30 55 14 24.3 2NC+2NO
4NC+4NO
3TF48 100 75 60 37 55 17 29.5
3TF49 100 85 80 45 75 21 36
3TF50 160 110 95 55 90 27 46.9
3TF51 160 140 120 75 110 35 60
3TF52 200 170 160 90 150 38 66
3TF53 210 205 165 110 160 50 86
3TF54 300 250 230 132 220 58 100
3TF55 300 300 260 160 250 66 114
3TF56 400 400 380 200 355 81 140
3TF68 630 630 600 335 560 160 278
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) 1NO
1NC
1NO+1NC
2NO+2NC
3TB40 22 9 7.2 4 5.5
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

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