SMA S Technical Description page 74

Electrical Connection of the Automatic Switch Box S
DANGER!
Risk of lethal electric shock.
The conductor ends can become detached from the spring-type terminal over time.
• Do not use cable end sleeves when connecting the AC cable.
• Observe the specified length to be stripped (13–15 mm for 6 mm² spring-type
terminals).
8. Attach the L, N and PE conductors as labeled on the spring-type terminals.
L and N may not be swapped!
Use a flathead screwdriver for this purpose (see figure below).
– Insert the screwdriver into the slit of the spring-type terminal.
– Push the screwdriver down.
– The spring-type terminal is now open.
– Push the stripped conductor into the terminal (round opening).
– Bring the screwdriver back to its original position.
The spring-type terminal is closed and the conductor is fixed in place.
74 SBU2200-TEN083320
SMA Solar Technology AG
Technical Description