SMA SC 250U - Manual (Page 5)

SMA America, LLC Important Safety Instructions
User Manual SCUS-BE-BUS120514 5
Other Symbols
In addition to the safety and hazard symbols described on the previous pages, the following symbol
is also used in this Installation Guide:
Markings on this Product
The following symbols are used as markings on this product with the following meanings.
Information
This symbol accompanies notes that call attention to supplementary information that you
should know and use to ensure optimal operation of the system.
Warning regarding dangerous voltage
The product works with high voltages. All work on the product must only be performed
as described in it‘s documentation.
Electric arc hazards
The product has large electrical potential differences between its conductors. Arc flashes
can occur through air when high-voltage current flows. Do not work on the product
during operation.
Beware of hot surface
The product can become hot during operation. Do not touch the product during
operation.
Observe the operating instructions
Read the documentation of the product before performing any work. Follow all safety
precautions and instructions as described in the documentation.
Evaluated to the requirements of the Underwriters Laboratories Standard for Safety for
Inverters, Converters, Controllers and Interconnection System Equipment for Use With
Distributed Energy Resources, UL 1741.
The inverter has been additionally evaluated by Underwriters Laboratories to
CAN/CSA C22.2 No. 107.1-1, "General Use Power Supplies".
DC current
Earth Ground