SMA ST6-US User Manual
Page 5

SMA America, LLC
Important Safety Instructions
Installation Guide
ST36-48US-IA-IUS112321
5
Other symbols in this document
In addition to the safety and hazard symbols described on the previous pages, the following symbol
is also used in this manual:
Markings on this product
The following symbols are used as product markings with the following meanings.
Information
This symbol accompanies notes that call attention to supplementary information that you
must 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 the documentation of the product.
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 working on it. Follow all safety
precautions and instructions as described in the documentation.
AC current
DC current
Earth Ground
UL1741 is the standard applied by Underwriters Laboratories to the product to certify
that it meets the requirements of the National Electrical Code
®
, the Canadian Electrical
Code
®
CSA C22.1 and IEEE‑929‑2000. IEEE 929-2000 provides recommendations
regarding the proper equipment and functionality necessary to ensure compatible
operation when power generation is connected to the utility grid.