Recommended Cable Sizes

hazard of electric shock, explosion, or arc flash
All wiring must comply with all applicable national and/or electrical codes.
Failure to follow these instructions will result in death or serious injury.
NOTE: Overcurrent protection is to be provided by others.

Cable sizes in this manual are based on table B.52.5 of IEC 60364–5–52 with the following assertions:

  • 90 °C conductors

  • An ambient temperature of 30 °C

  • Use of copper or aluminium conductors

  • Installation method C

If the ambient temperature is greater than 30 °C, larger conductors are to be selected in accordance with the correction factors of the IEC.

Copper 20–60 kW 80 kW 100–150 kW 200 kW
Battery +/- (mm2) 50 70 2 x 70 2 x 120
Battery PE (mm2) 25 35 70 120
Aluminum 20–60 kW 80 kW 100–150 kW 200 kW
Battery +/- (mm2) 70 NA 2 x 120 NA
Battery PE (mm2) 35 NA 120 NA
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