Contactor — 3TF Series Contactor 
Application
3TF series AC contactor is used for making and breaking, and for frequent starting and controlling the motor.3TF series AC contactor mainly used for making/breaking electric.CJX1/3TF series AC contactors are suitable for frequency 50/60Hz,rated insulation voltage up to1000V,rated operation current 9~475A under AC-3 duty.It is mainly used for making/breakingelectric circuit at a long distance & for frequent starting/stopping & with thermal relay to com-pose a magnetic motor starter.The product conforms to IEC60947-4-1 stardand.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 panel in the Ie≤22A contactor. In the In≥32A contactors. Three are moulded arc-chute with arc-isolated panel, because all contacts are made of high cnonfusibility and against corrosion silver alloy. All series products can be mounted by screw, Ie≤32A contactor also by installation rail.
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 | |
Conventional | 20 | 30 | 45 | 80 | 100 | 160 | 210 | 300 | 400/550 | |
Rated insulation | 660 | 660 | 660 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | |
Power of controllable motor(KW) | 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) | 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 | 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 | |
Operating voltage | (0.8-1.1)Ue | |||||||||
Rated operating | AC15 | 6/10 | 6/10 | 4/6 | 4/6 | 4/6 | 4/6 | 4/6 | 4/6 | 4/6 |
DC13 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | |
NORMALAUNNING AND INSTALLATION CONDITIONS
•Ambient air temperature:-5℃~+40℃, the average value should not exceed+35℃ within 24 hours.
•Elevation:at most 2000m.
•Atmospheric conditions:When the temperature at 40, the relative humidity of atomsphere should be at the most 50%. When at relatively low temperatures, it could have higher relative humidity. Monthly maximum relative humidity could be not more than 90% . Special measures should be taken due to occurrence of dews.
•Class of pollution:Class 3
•Installation category: III
•Installation conditions:Degree of inclination between fitting surface and vertical surface should not exceed I
•Impact shock:Product should be installed and used in the place where often shakes and impacts.
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