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SMA Technologie AG Electrical Connection
Installation Guide SMC50A_60A-IEN073320 Page 25
6 Electrical Connection
6.1 Required Tools and Materials
Number Tool/material Purpose
2-8 PV plug connectors for the connecting cables of the solar
modules for connection to the Sunny
Mini Central
1 multimeter with DC input voltage
range up to at least 600 V
checking the connecting wires of the
solar modules for correct polarity
and ensuring that the maximum input
voltage of the Sunny Mini Central is
not exceeded
1 hexagon (allen) key (5 mm) opening and closing the housing
cover and securing the additional
grounding terminal to the housing, if
required
1 cable with external diameter
between 11 and 25 mm
AC connecting cable
1 stripping pliers stripping the AC cable
1 flathead screwdriver, 1 x 6 mm
or
Phillips screwdriver
PZ2 Pozidrive
using the screw clamps for the AC
connection
1 terminal clamp (provided in
accessories kit)
additional grounding of the housing
(if necessary)
1 hexagon socket screw
(M6x16, provided in accessories kit)
additional grounding of the housing
(if necessary)
1 washer
(M6, provided in accessories kit)
additional grounding of the housing
(if necessary)
1 grounding cable with a cross-section
between 4 and 10 mm²
additional grounding of the housing
(if necessary)
1 line circuit breaker
(see Page 44 for rating)
power circuit fuse