China Siemens Type AC Contactor Knc8 Frame 40-56 09A-400A

Application
The series KNC8 AC contactor is suitable for 50/60Hz, rated insulation voltage is 690-1000V, Rated current is 9A-400A at rated operational voltage 380V under the utilization category AC-3. It mainly used for making or breaking circuit at a long distance, suitable for controlling startingstoppingreversing of AC motor. According with IEC60947 VED0660 GB14048 standards.
1. Good safety, induction parts are inside.
2. Small volume, light weight, material of air chute not easily to break and good arc capability.
3. Air chamber is sealing type, distance of arcover is small, can reduce the measurement Of electric box body.
4. Unique system frame of main contact group, contact abrasion reduce, increase the electro-life.
5. Electromagnet works reliably, abrasion is more less, low noise, having high mechanical Intensity.
6. Frequency operation and controlling capacity are all very high.
7. It's convenient for connection, fastness, high touch reliability, strong vibration resistance, Good safety precaution.

TypeKNC8-40
KNC8-41KNC8-44KNC8-46KNC8-47KNC8-48KNC8-49KNC8-50KNC8-52KNC8-54KNC8-56Rated insulation voltage(V)69069069010001000100010001000100010001000Rated operational
current(380VAC-39123245637585110170250400AC-43.33.315.5242834425475110150Rated outputs
of three-phase
motors at 50HzAC-3
AC-4
230/220V2.42.48.51518.52226375578125400/380V4415223037455590132200500V5.55.5213041505976118178284690/660V5.55.523395567671001592353751000V-----39396590132250400/380V1.48/1.4
1.48/1.4
7.5
12.6/12
14.7/14
17.9/17
22/21
28.4/27
40/38
61/58
85/81
690/6602.54/2.4
2.54/2.4
13
21.8/20.8
25.4/24.3
30.9/29.5
38/36
49/46.9
69/66
105/100
147/140
Mechanical endurance(x10 6 )(0.8-1.1)UsElectrical
endurance(x10 6 )AC-31010101010101010101010AC-41.21.21.21.21.21.21.21.21.21.21.2Switching frequencyAC-30.20.20.20.20.20.20.20.20.20.20.2AC-410001000750120010001000850100700700500Coil voltage tolerance250250250400300300250300200200150Power
consumption
of coil(50HzClosed(VA)
101012.117173232395884115p.f.
0.290.290.280.290.290.230.230.240.260.240.33Colsing(VA)
6.86.810118318333033055091014302450p.f.0.820.820.830.60.60.50.50.450.380.340.21Conventional thermal current2020558090100100140210300400Conventional thermal current of auxiliary contacts
1010101010101010101010Rated operational current
of auxiliary contacts AC-15
380/220V6/106/104/6
4/6
4/6
4/6
4/6
4/6
4/6
4/6
4/6