3tf AC Contactor
Application：
3TF series AC contactor are suitable for frequency 50/60Hz,rated insulation voltage up to 1000V,rated operation current 9-475A under AC-3 duty. It is mainly used for making/breaking electric circuit at a long distance& for frequent starting/stopping &with thermal relay to compose a magnetic motor starter. The product conforms to IEC60947-4-1 standard.
Specification:
| Type | 3TF-9/12 | 3TF-16/22 | 3TF-32 | 3TF-45/63 | 3TF-75/85 | 3TF-110/140 | 3TF-170/205 | 3TF-250/300 | 3TF-400/475 | |
| Mechanical Endurance（X106） |
10 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | |
| Conventional thermal current(A) |
20 | 30 | 45 | 80 | 100 | 160 | 210 | 300 | 400/550 | |
| Rated insulation voltage(V) |
660 | 660 | 660 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | |
| Rated operating current(A) |
AC-3 | 9/12 | 16/22 | 32 | 45/63 | 75/85 | 110/140 | 170/205 | 250/300 | 400/475 |
| AC-4 | 3.3/4.3 | 7.7/8.5 | 15.6 | 24/28 | 34/42 | 54/68 | 75/96 | 110/125 | 150 | |
| Power of controllable motor(KW) AC-3 |
380V | 4/5.5 | 7.5/11 | 15 | 22/30 | 37/45 | 55/75 | 90/110 | 132/160 | 200/250 |
| 660V | 5.5/7.5 | 11 | 23 | 39/55 | 67 | 100 | 156 | 235 | 375 | |
| Power of controllable motor(KW) AC-4 |
380V | 1.4/1.9 | 3.5/4 | 7.5 | 12/14 | 17/21 | 27/35 | 38/50 | 58/66 | 81 |
| 660V | 2.4/3.3 | 6/6.6 | 13 | 20.8/24 | 29.5/36 | 46.9/60 | 66/86 | 100/114 | 140 | |
| Frequency of operation (I/h) |
AC-3 | 1000 | 750 | 750 | 1200/1000 | 1000/850 | 1000/750 | 700/500 | 700/500 | 500/420 |
| AC-4 | 250 | 250 | 250 | 400/300 | 300/250 | 300/200 | 200/130 | 200/130 | 150 | |
| Electrical endurance (X106) |
AC-3 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| AC-4 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| Operating voltage range of coil |
(0.8-1.1)Ue | |||||||||
| Power consumption of coil |
Atracting (VA) |
10 | 10 | 12.1 | 17 | 32 | 39 | 58 | 84 | 115 |
| Starting (VA) |
68 | 69 | 101 | 183 | 330 | 550 | 910 | 1430 | 2450 | |
| Rated insulation voltage ofauxiliary contacts(V) |
690 | 690 | 690 | 690 | 690 | 690 | 690 | 690 | 690 | 690 |
| Conventional thermal current of auxiliary contacts(A) |
10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Rated operating current of auxiliary contacts(A) |
AC15 380/220 |
6/10 | 6/10 | 4/6 | 4/6 | 4/6 | 4/6 | 4/6 | 4/6 | 4/6 |
| DC13 220v |
0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | |
| Rated voltage of the control coil(V) |
50HZ | 24 36 48 110 127 220 380,etc | ||||||||
| 60HZ | 24 110 220 440 etc | |||||||||
Outline and Mounting Dimension
| Type | A max | B max | C max | a | b |
| 3TF-9/12 | 45 | 78.5 | 104(90) | 35+0.31 | 60+0.37 |
| 3TF-16/22 | 46 | 85 | 114 | 35+0.31 | 75+0.37 |
| 3TF-32 | 74 | 88 | 108 | 50+0.31 | 75+0.37 |
| Type | A max | B max | C max | a | b |
| 3TF-45/63 | 91(114) | 120 | 124 | 70+0.6 | 100+0.2 |
| 3TF-75/85 | 102(125) | 135 | 142 | 80+0.6 | 100+0.2 |
| 3TF-110/140 | 122(145) | 156 | 154 | 100+0.2 | 130+0.8 |
| 3TF-170/205 | 140(163) | 185 | 190 | 100+0.2 | 160+0.8 |
| 3TF-250/300 | 150(173) | 205 | 200 | 120+0.2 | 180+0.8 |
| 3TF-400/475 | 165(188) | 205 | 225 | 130+0.8 | 180+0.8 |
