Technical Description
13
Cooling Concept
REFUsol 50K-3T
982081 | 03 | 2021-03
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Fig. 5: Overview circuit diagram
REFUsol 50K-3T
L1
L2
L3
N
PE
RCD
ISO 2
ISO 3
IN1
IN2
A
B
C
D
IN3
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
ISO 1
DC SPD
DC switch
DC EMC fil
ter
DC-DC boos
ter
Isolation
monitoring
A
C r
esidual curr
ent det
ection
DC-A
C inv
erter
A
C grid r
elais
A
C EMC fil
ter
A
C output
microSD
card
Ethernet/WiFi
(optional)
RS485
In/Out
Remote
control
Alarm
(optional)
Display and
control
panel
Control board
Communication
DC input