3TD Mechanical Interlocking Contactor is suitable for using in the circuits the rated voltage up to 660V AC50/60Hz,current 300A and for convertible controlling the motor.It is mechanical interlocking device which ensures contact changeover of the two convertible contacts.

Specifications of Contactor

Type Rated thermal current(A)


Rated operation current(A) controllable power of motor
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 32 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 300 300 260 160 250 66 114