System overview
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© 2022 KOSTAL Solar Electric GmbH36
3.5ENECTOR with KSEM for house connection
monitoring
1x
3-pole
MCB
20 A
Typ 2
RCD
Typ A
30 mA
L2
L1
L3
N
PE
L2
L1
L3
N
PE
63 A
Wallbox
RS485
Modbus RTU
Typ 2
RCD
Typ A
30 mA
Wallbox
1x16 A / max. 3,7 kW3x16 A / max. 11 kW
L1 L2 L3
L1 L2 L3 N
STATUS
RS485
Modbus RTU
L1 L2 L3
L1 L2 L3 N
STATUS
1KOSTAL wallbox as master (1-phase connection)
2KOSTAL wallbox as master (3-phase connection)
3Modbus for energy meter (KSEM)
The wallbox can be connected to the house grid as a 1-phase or 3-phase system. The
wallbox is configured as a master and can retrieve data from the energy meter via Modbus
RTU. This makes blackout protection (house connection monitoring) possible.
NOTE
A list of approved energy meters and their purpose is available in the download area for
the product on our homepage at
www.kostal-solar-electric.com/released-energy-meters-wallbox
Functions:
■ Power Mode (simple charging)
1-phase at 1.4 - 3.7 kW / 230 V
3-phase at 3.7 - 11 kW / 400 V