SMA SMART LOAD 6000, Technical Description

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SMA Solar Technology AG Electrical Connection
Technical Description SL6000-TEN081820 17
5.2 Connecting the Stand-alone Grid System
The Smart Load can be installed in single or three-phase, AC-coupled stand-alone grids whose
nominal voltage is 230 V or 3 x 230 V having a frequency of 50 Hz or 60 Hz.
Connection Procedure
1.
2. Unscrew the M25 metric-thread cable screw connection's lock nut (A), and slide it over AC
cable.
3. Thread the AC cable through the cable screw connection and connect PE to the "PE"
connection terminal.
4. Tighten the lock nut on the cable screw connection.
DANGER!
Danger to life caused by voltages in the AC stand-alone grid.
• Disconnect the stand-alone grid system.
• Ensure that no voltage is present in the system.
If... Then...
Three-phase
operation... Connect L1, L2, L3 and N to the AC connection terminal according to the
label.
Single-phase
operation... Bridge L1, L2 and L3 using the bridging strip
provided (use large bridging strip).
Connect L to the "L1" connection terminal.
Connect N to the "N" connection terminal.