SMA Solar Technology AG
2 Safety
Installation Manual
MFR-NR-IA-en-23
7
2 Safety
2.1 Intended Use
The multifunction relay is a multifunctional interface that can be configured for the operating mode
used by a particular system (see Section 4.5 "Selecting the Operating Mode", page 19).
The multifunction relay can be retrofitted or installed in the inverter at the factory if specified in the
order.
The multifunction relay is suitable for use in the following SMA inverters:
• SB 3000TL-21, SB 3600TL-21, SB 4000TL-21, SB 5000TL-21
• SB 3600SE-10, SB 5000SE-10
• WB 3000TL-21, WB 3600TL-21, WB 4000TL-21, WB 5000TL-21
• SB 2500TLST-21, SB 3000TLST-21
• STP 8000TL-10, STP 10000TL-10, STP 12000TL-10, STP 15000TL-10, STP 17000TL-10
• STP 15000TLHE-10, STP 20000TLHE-10, STP 15000TLEE-10, STP 20000TLEE-10
• STP 15000TL-30, STP 20000TL-30, STP 25000TL-30
• STP 10000TLEE-JP-10
• STP 20000TLEE-JP-11
• STP 25000TL-JP-30
Use this product only in accordance with the information provided in the enclosed documentation and
with the locally applicable standards and directives. Any other application may cause personal injury
or property damage.
For safety reasons, it is not allowed to modify the product or install components that are not explicitly
recommended or distributed by SMA Solar Technology AG for the product. Unauthorized changes
and modifications will void all warranty claims and the operating permission.
Any use of the product other than that described in the Intended Use section does not qualify as
appropriate.
The enclosed documentation is an integral part of this product. Keep the documentation in a
convenient place for future reference and observe all instructions contained therein.