SMA Solar Technology AG
3
Symbols on the Product
Icon
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.
Danger to life due to high voltages in the inverter; observe a waiting time of 5
5 min
minutes.
High voltages that can cause lethal electric shocks are present in the live com-
ponents of the inverter.
Prior to performing any work on the inverter, disconnect it from all voltage
sources as described in this document.
Observe the documentations
Observe all documentations supplied with the product.
Inverter
Together with the green LED, this symbol indicates the operating state of the in-
verter.
Observe the documentation
Together with the red LED, this symbol indicates an error.
Data transmission
Together with the blue LED, this symbol indicates the status of the network con-
nection.
Grounding
This symbol indicates the position for the connection of an additional ground-
ing conductor.
Three-phase alternating current with neutral conductor
Direct current
Quick Reference Guide
3 Symbols on the Product
STPxx-50-IS-xx-11
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