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22.6 Sockets
The single (2-pin) socket with protective contact is protected by a fault current circuit breaker (RCD).
1: Fault current circuit breaker with test button
2: Power supply socket for charging
Figure 22: Test button of the fault current circuit breaker (RCD)
The test button of the RCD must be pressed at regular intervals by an electrician or a person
instructed in electrical engineering. The inspection intervals are defined in DGUV Regulation 3 and
DGUV Regulation 4 according to §5 paragraph 1 (approximate value every six months).
The inspection must be performed while the PB300 Li-Ion is turned off.
Figure 21: Fault current circuit breaker with test button