SMA STP 50-40 - Symbols on the Product

4 Product Overview
SMA Solar Technology AG
Operating manualSTP50-4x-BE-en-2318
Position Designation
K Type label
The type label clearly identifies the product. The type label must remain
permanently attached to the product. You will find the following informa-
tion on the type lable:
• Device type (Model)
• Serial number (Serial No. or S/N)
• Date of manufacture
• Device-specific characteristics
L Additional label with details for registration in SunnyPortal and WLAN
password:
• Identification key (PIC) for registration in Sunny Portal
• Registration ID (RID) for registration in Sunny Portal
• WLAN password (WPA2-PSK) for the direct connection to the user
interface of the inverter via WLAN
M Enclosure opening for AC connection
N Enclosure opening for additional cable
O Enclosure opening for carrying handle
4.2 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.
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.