32 | Technical description
Bosch BPT-S 3 / 3.68 / 4 / 4.6 | Operating manual
(1)
3.6:
Connection area
[1]
DC+ connection, solar generator
[2]
DC- connection, solar generator
[3]
Service switch position 0: Solar generator
disconnected from the string inverter. Switch
position 1: String inverter ready for operation,
connects to the solar generator
[4]
Ethernet Direct connection to PC and router or
switch
[5]
Pressure equalization element Element for
pressure equalization in the inverter housing
[6]
Separate PE connection Earth connection for
separate earthing
[7]
AC connection Grid connection
Symbol
DC
LAN
PE
(2) (3)
(4)
Code designation
Explanation
DC
Direct current
LAN
Ethernet
connection
PE
Earthing
English
(5) (6) (7)
Bosch Power Tec GmbH