6 Electrical Connection
SMA Solar Technology AG
Operating manual
SBSxx-10-BE-en-11
49
11. Press the communication cable with cable shield into
the shield clamp on the busbar below the
communication assembly.
6.6
Connecting the Switch and Outlet for Secure Power
Supply Operation
Neutral and grounding conductor of output for secure power supply
permanently connected
The inverter's output for secure power supply includes a permanent connection between
neutral and grounding conductor, which cannot be disconnected.
Requirements:
☐ The technical requirements must be met for connecting the switch and outlet for secure power
supply operation (see Section 14 "Technical Data", page 133).
Residual-current device:
☐ SMA Solar Technology AG recommends to install a residual-current device (type A) between
the inverter's output for secure power supply and the outlet for secure power supply operation,
which trips at a residual current of 30 mA. Observe all locally applicable standards and
directives when doing so.
Additionally required material (not included in the scope of delivery):
☐ One standard outlet
☐ One standard switch (e.g. light switch)
Procedure:
• Connect the outlet for secure power supply operation.
• Connect the switch for secure power supply operation.