AC & DC Contactor
3TF/3TH/3TD

3TF/3TH/3TD

Application

contactor-3th30

3TH30
contactor-3th42

3TH42
contactor-3th80

3TH80
  • The auxiliary contactors is the auxiliary suited by controlled circuit with 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

Technical Data

Rated Voltage Rated operational current(A) Controllable motor power AC3(KW)
le=AC11, AC14 DC11
110V 0.9
220V 10 0.45 2.2
380V 6 4
440V 0.25 4
660V 2 4

m

Type Type of contact
NO NC
3TH30 4 1
31-OA 3 2
22-OA 2 3
13-OA 1 4
04-OA
3TH40/3TH80 40-OA 4 1
31-OA 3 2
22-OA 2 3
13-OA 1 4
04-OA
3TH42/3TH82 80-OA 8
71-OA 7 1
62-OA 5 2
53-OA 5 4
44-OA 4

3TF

Application

contactor-3tf34

3TF30~34
contactor-3tf51

3TF46~51
contactor-3tf57

3TF52~57
  • 3TF Series AC Contactors are latest products in 1990’s.The series products are suitable for frequency of 50/60Hz,rated insulation voltage up to 690-1000V,rated opreational current up to 9A-400Aat raetd operational voltage up to 380V under the utilization category AC-3.
  • 3TF Sersies AC Contactors are mainly used for making breaking electric circuits at a ling distance and for frequent starting stopping and reversing control of AC motors
  • They comply with IEC947,VDE0660, MGB14048.

Technical Data

Type Rated thermal
current(A)
Rated operation current(A) Controllable power of motor(KW) Type of auxliliary
contact
AC-3 AC-4
380V 660V 380V 660V 380V 660V
3TF30 20 9 7 4 5.5 1.4 2.4 NO
NC
1NO+1NC
2NO+2NC
3TF31 20 12 7.5 5.5 7.5 1.9 3.3
3TF32 30 16 12.5 7.5 11 3.5 6
3TF33 30 22 16.5 10 15 4 6.6
3TF34 55 32 24 15 22 7.5 13
3TF35 55 38 24 18.5 22 9 15.5
3TF40 20 9 7 4 5.5 1.4 2.4
3TF41 20 12 7.5 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 2NC+2NO
4NC+4NO
3TF47 80 63 60 30 55 14 24.3
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

3TD

Application

contactor-3td44

3TD44
contactor-3td50

3TD50
contactor-3td53

3TD53
  • The contactor is suitable for using in the circuits up to the rated voltage 660V AC 50Hz-60Hz, current 300A, for convertible controlling the motor. Its mechanical interlocking device ensures contact changeover of the two convertible contactors.

Technical Data

Type Rated thermal current (A) Reted operation current (A) Controllable power of motor (KW)
AC-3 AC-4
380V 660V 380V 660V 380V 660V
3TD40 20 9 7 4 5.5 1.4 2.4
3TD41 20 12 8.5 5.5 7.5 1.9 3.3
3TD42 30 16 12.5 7.5 11 3.5 6
3TD43 30 22 16.5 10 15 4 6.6
3TD44 55 32 24 15 22 7.5 13
3TD45 55 38 24 18.5 22 9 15.5
3TD46 80 45 40 22 37 12 20.8
3TD47 80 63 60 30 55 14 24.3
3TD48 100 75 60 37 55 17 29.5
3TD49 100 85 80 45 75 21 36
3TD50 160 110 95 55 90 27 46.9
3TD51 160 140 120 75 110 35 60
3TD52 200 170 160 90 150 38 66
3TD53 210 205 165 110 160 50 86
3TD54 300 250 230 132 220 58 100
3TD55 300 300 230 160 250 66 114

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