3 Symbols on the Product
SMA Solar Technology AG
Quick Reference GuideSTP50-40-IS-xx-1610
3 Symbols on the Product
Symbol Explanation
Beware of a danger zone
This symbol indicates that the product must be additionally grounded if addi-
tional grounding or equipotential bonding is required at the installation site.
Beware of electrical voltage
The product operates at high voltages.
Beware of hot surface
The product can get hot during operation.
Observe the documentation
Observe all documentation supplied with the product.
Observe the documentation
Together with the red LED, this symbol indicates an error.
Inverter
Together with the green LED, this symbol indicates the operating state of the in-
verter.
Data transmission
Together with the blue LED, this symbol indicates the status of the network con-
nection.
Grounding conductor
This symbol indicates the position for connecting a grounding conductor.
Grounding
This symbol indicates the position for the connection of an additional ground-
ing conductor.
Three-phase alternating current with neutral conductor
Direct current
The product is has no galvanic isolation.
ENGLISH
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