ABB Terra 124 - Overview of the EVSE, inside

A Main fuse
B AC EMC filter
C AC contactor
D Residual current device
E Power module matrix
F 30kW power module
G DC Filter
H DC relay
I DC fuse
J Overcurrent board
K EV
L CPI board
M IMI board
N AC SPD
O RCD breaker
P Auxiliary transformer
Q Auxiliary breaker
R Heater
S Power supply unit
T DC EMC filter
U DC cooling fans
V CCB board
W HMI
X Power bridge board
• Black and bold lines: power connection
• Black and thin lines: auxiliary power connection
• Green lines: CAN bus
• Purple lines: control signal or monitoring signal
Note: For Terra 94, the second array of three power modules is empty
and it can perform only one DC charge session.
3.4 Overview
3.4.1 Overview of the system
B E
F
DC
G
A
A EV
B Parking space
C Front of the EVSE
D EVSE
E AC input cable
F Power distribution board
G EV charge cable
Description
24 9AKK108466A3703-EN | 001