SOFAR 15~24KTLX-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd.
Ban multiple Inverters use one circuit breaker
Ban connect loads between inverter and circuit breaker
Must use five core outdoor cable, the recommend AC cable and Residual current
breaker (RCB) as below table 5-1:
Cross section
area of Cu cable
（mm
2
）
Muti-core
outdoor cable
（mm）
AC Circuit Breaker
specification
40A/230V/3P current
leakage protection 0.1A
40A/230V/3P current
leakage protection 0.1A
50A/230V/3P current
leakage protection 0.1A
63A/230V/3P current
leakage protection 0.1A
63A/230V/3P current
leakage protection 0.1A
Table 5-1 The recommend AC cable and Residual current breaker (RCB)
The inverter does not require an external residual-current device when in
operation.
If one is required under local regulations, SOFAR recommends a type A or B RCD
with sensitivity of 100mA or higher.
Where local electricity code requires an RCD with a lower leakage ratings, the
discharge current might result in nuisance tripping of the external RCD. Sofar
recommends the following measure in selecting an external RCD to avoid nuisance
tripping:
1: Selecting appropriate RCD.
2: Configure the trip current of inverter internal RCD to a lower value that the trip
current of the external RCD.
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