Size 7
The following figure depicts an example for the touch guards of the regenerative power supply:

[1] | Cover |
[2] | Touch guard for connecting the supply system and braking resistor |
[3] | Touch guard for connection of precharging unit and DC link, rectifier side (+Uz / -Uz) |
[4] | Touch guard for connection of DC link, capacitor side (+Uz* / -Uz*) |