SMA SB 2500TL-21 Installation - Manual (Page 28)

Electrical Connection SMA Solar Technology AG
28 SB25-30TLST-21-IA-en-13 Installation Manual
6 Electrical Connection
6.1 Safety
6.2 Overview of the Connection Area
The following figure shows the inverter connection area with the lower enclosure lid open.
NOTICE!
Electrostatic discharge can damage the inverter
Internal components of the inverter can be irreparably damaged by electrostatic
discharge.
• Earth yourself before touching any components.
Item Description
A DC connectors for connecting the strings
B Socket for connecting the ESS*
C Plug for connecting the optional multi-function relay or additional fan kit
D Plug for optional communication via RS485
E Terminal for the AC cable
F Cable gland (12 mm to 21 mm) for routing the AC cable
G Enclosure opening for connecting the optional multi-function relay or additional fan kit
or optional communication via RS485