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Cable configurator

Current calculation tool - how much current draws my inverter / load from the battery?

This tool is designed to convert the rated power of the inverter / load (Watt) in the current draw (Ampere) from the battery. It can of course be used for other applications, eg if you want to know how much current draws a 500W heater from a 12V battery.

Procedure:

  • Battery system voltage: select which battery system is available, 12V or 24V
  • Slider nominal power: set the slider to nominal power of inverter / load
  • Result: shows the current consumption of the inverter / load from the battery in (A) ampere
Stromberechnungstool
12V 24V
100 W5000 W

W
A

Cable cross-section calculation tool - which cable cross section is the right one?

One of the most common causes of malfunction of inverters, battery chargers, DC-DC converters is the weak designed cabling. This creates too much of  voltage drop on the cable, which cause malfunction and constitutes a danger situation, because the voltage loss goes up in heat.

Procedure:

  • Slider cable length: set the slider to the needed single cable length
  • Slider nominal current: set the slider to nominal current of inverter / charger / load
  • Battery system voltage: select which battery system is available, 12V or 24V
  • Required cable cross section: shows the necessary cable cross section
Kabelquerschnittberechnungstool
0,1 m10 m

m
10 A500 A

A
12V 24V
mm2
mm2

The value displayed in the field "Result" is a purely informative - to the max. tolerated voltage drop of 2% of the battery voltage related - calculation. This value does not take into account the gradation of the available cable sizes (8mm², 14mm ², 22mm ², 33mm ², 42mm ², 54mm ², 70mm ², 95mm ² and 108mm ²) and also not the max. Ampacity of each cable cross-sections! These factors are only included in the field "Required cable cross section", which reflects the necessary cable cross-section.

Legal note:
The information provided on this page for cable cross-sections and ampacities are only valid for our "SGX" type battery cable. When using other battery cable type, the mentioned cable cross-sections and ampacities can not be applied. We undertake no liability for the statements made here, this merely constitutes a guideline only. For questions please contact us.

Part number generator & request form:

Use the selection boxes to configue the cables you need. Enter quantity and take over into request form. Several cables are possible in one request. After entering your address data, you can send the form for offer preparation to us. As soon as possible we will send a quotation to you.

If a fuse should be placed in the wire, please configure both cables (ingoing and outgoing) separately. Please note the requested fuse type in the "Remark" field.

Part number generator
Request form Fields marked with * are required