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Charging contacts
In order to transfer high charging power quickly and safely, the Combo 2 plug of the charging
cable uses the following charging contacts:
Figure 3-8
No
.
①
②
③
④
⑤
Locking
Charging mode 4 for DC charging according to the IEC 62196-3 standard prescribes secure
locking of the plug connection between the charging plug and the vehicle's charging socket
during the entire charging process. Therefore, an electromechanical actuator in the charging
plug automatically locks the plug connection once it is plugged in. The actuator bolt withstands
very high extraction forces and thus offers maximum protection against the charging plug being
pulled out by force during the charging process.
SICHARGE UC 100, UC 200, UC 300, UC 400, UC 600, UC 800
Operating Instructions, 10/2022, A5E50828019-AC
Charging contacts
Contact
Control Pilot (CP)
Protective Earth (PE)
Proximity Pilot (PP)
Direct Current Minus (DC-)
Direct Current Plus (DC+)
Use
Vehicle and charging station communicate via the CP signal con‐
tact.
The PE ground contact protects in case of an electrically faulty cable
connection.
The charging station and the electric vehicle recognize the maxi‐
mum charging current transferred by the charging cable via the PP
contact.
The DC- contact forms the negative pole for DC charging.
The DC+ contact forms the positive pole for DC charging.
Description
3.2 Description of UC 200
31
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