There is no generally valid answer to this question, as different manufacturers use different numbers of elements.
To determine the number of actuators required, one of the following tools should be used:
- Lumento X3/X4/DX4: https://www.zennio.com/lumento-calculation-x
- Lumento C3/C4: https://www.zennio.com/lumento-calculation
Procedure
- View data sheet LED
- Find the channel with the highest consumption
- Determine external power supply
- Enter data in the above tools