Motor Output
Full Load Current
AMP
AMP
Star Delta Starter
Overload Relay Range
AMP
Max. Backup fuse
AMP
Recommended Cable
Sq. mm Al
Size Supply Side
Sq. mm Cu
Size Motor Side
Sq.mm Al
Size Supply Side
Sq. mm Cu
Star Delta Starter
Overload Relay Range
AMP
Max. Backup fuse
AMP
(415V)Recommended Cable
Sq. mm Al
(3Ph)Size Supply Side
Sq. mm Cu
(50 Hz)NOTE
We recommend 6 Core cable between Star Delta starter and Motor. If 6 Core cable is not available, use 2 Nos. of 3 Core unarmoured cable.
Nominal area of conductor
Sq. mm.
1.1kV-3, 3.5, 4Core RR kabel XLPE Cables
1.1kV-3, 3.5, 4Core RR Kabel PVC Cables
3.3kV, 6.6kV, 11kV-3 Core RR Kabel PVC Cables
Single Core RR Kabel XLPE Cables 3.8/6.6kV(E),
6.6/6.6kV(UE), 6.35/11kV(E)
3 Core RR Kabel XLPE Cables1.9/3.3kV(E), 3.3/3.3kV(UE), 3.8/6.6kV(E),6.35/11kV((E)-35 to 400 sq.mm,
11/11kV(UE) -70 to 400 sq.mm, 12.7/22kV(E), 19/33kV(E)-95 to 400 sq. mmand 33/33kV(UE)-120 to 400 sq.mm
Current ratings for Building wires & Flexibles, in Amps. with Copper cond.
NOTE
Current Rating for Power Cables with Aluminium conductors
For Approx, current rating for Power cables with copperconductor increase the above rating by 25%
The above rating are normal rating & will subject to de rating factors for various conditions as per IS:3961