28
“Operation and installation manual”
EN
3.11 Working principles
3.11.1 Block diagram - Terra 60
Par.
Description
A
Fused manual switch
B
Auxiliary fuse switch
B1
Magnetic circuit breaker**
B2
Auxiliary magnetic circuit breaker**
C
Auxiliary residual-current device
C1
AC socket residual current device**
D
AC surge-protection device
E
LED strip power supply
F
Auxiliary power supply
H
Heater
I
LED strip
J
DC fuse
K
Interlink contactor
L
Led strip control board
N
DC surge protection device
O
Speaker
P
AC contactor
P1
AC socket contactor
Q
Power bridge
R
Power module
S
EMC filter
T
Auxiliary transformer
U
Overcurrent protection device
V
DC contactor
W
Shunt current
W1
AC metering**
X
DC charge protocol interface
X1
AC charge protocol interface**
Y
Insulation monitor interface
Z
Meter reading unit
A1
Cabinet controller board
A2
Touchscreen display
S1
AC cable
U1
Charge cable
EB
External distribution box
MC1
Upstream magnetic circuit breaker
LD
Upstream Leakage detect
* Relevant if the EVSE has liquid cooled cables
** Relevant if the EVSE has an AC charge option
Colours
Description
Bold lines: power connection
Thin lines: auxiliary power connection
Control bus
Control signal or monitoring signal
CAN bus
Q
P
P
S
S
S
R
S
R
N
J
W
V
X
Y
Z
N
J
X
Y
U
W
V
U
A1
F
E
O
B
B2
A
B1
C1
W1
P1
S1
LD
MC1
EB
AC
C
D
L
I
H
A2
K
U1
U1
I1
X1
