9 Periodic Actions
SMA Solar Technology AG
Operating manual
NA-BOX-12-3-20-BE-en-12
26
• Strip the insulation of each cable .
Cable typ
Stripping length
Power cable
40 mm
Control cable
20 mm
4. Ensure that the seal at the edge of the base plate is firmly attached.
5. Insert the base plates and tighten all screws of the base plate (TX 25 screwdriver, torque: 9 Nm).
9.3
Connecting Power Cables to Spring-Cage Terminals
1. Insert the screwdriver into the clamping contact of the spring-cage
terminal.
2. In the clamping contact, press the screwdriver upwards in two
stages as far as the stop. This pretensions the spring of the spring-
cage terminal. The spring-cage terminal emits an audible click
when the clamping contact is sufficiently pretensioned.
click
3. Insert the stripped insulated conductor into the spring-cage
terminal until it reaches the stop. Ensure that no insulation is
trapped in the terminal.