SMA Solar Technology AG Electrical Connection
Installation Guide SMC6-8TL-IEN101040 25
DANGER!
Danger to life due to fire.
When a generator (inverter) and a consumer are connected to the same line circuit
breaker, the protective function of the line circuit breaker is no longer guaranteed. The
current from the inverter and the grid can accumulate to overcurrent, which is not detected
by the line circuit breaker.
• Never connect loads between the
inverter and the line circuit breaker
without protection.
• Always protect consumers separately.
NOTICE!
Damage to the inverter by using screw type fuse elements as a load
disconnection unit!
A screw type fuse element, e.g. D system (Diazed) or D0 system (Neozed) is not a load
disconnection unit, and thus may not be used as a load disconnection unit. A screw type
fuse element is only used as cable protection.
When disconnecting under load using a screw type fuse element, the inverter can be
damaged.
• Use only a load disconnecting switch or a line circuit breaker as a load disconnecting
unit.
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