ABB Terra 54HV, Operation And Installation Manual, Page: 24 / 66

Part Function
Type plate To show the identification data of the EVSE. Refer to
section 3.1 .
Enclosure To reduce the accessibility of unqualified persons to
the inside of the EVSE
AC input terminal To connect the AC input cable
3.4.3 Overview of the EVSE, inside
N O M L
A
F
G
D
E
I
H
C
B
J
K
A Power modules with fans
B Power module circuit breakers
C DC contactors
D DC filter
E AC surge protection device
F AC output residual-current device
G Main switch
H AC contactor
I AC filter
J Auxiliary power supply
K AC output contactor
L DC residual-current circuit braker
M DC surge protection device
N Miniature circuit breaker of the AC
output
O Residual-current device
Part Function
Fans To circulate air in the enclosure
Power modules To convert the AC input power to the DC output power
Main power module break-
ers
To connect or disconnect the AC power input to the
power modules
AC and DC contactor To connect the AC and DC power
DC filters To process the DC current
AC and DC surge protec-
tion device
To protect the AC and DC power circuits from overvolt-
age
AC and DC residual-cur-
rent device
To protect the user of the EVSE
Description
24 9AKK108467A6997-EN | 003