4.11
External AC Circuit
Breaker and Residual
Current Device
Please install a circuit breaker to ensure the inveer is able to disconnect
from grid safely. The inveer is integrated with a RCMU, however, an
external RCD is needed to protect the system from tripping, either type A
or type B RCD are compatible with the inveer.
The integrated leakage current detector of inveer is able to detect the
real time external current leakage. When a leakage current detected
exceeds the limitation, the inveer will be disconnected from grid quickly,
if an external residual current device is connected, the action current
should be 30mA or higher.
Caution：For safety operation and regulation compliance, it is requested to install
a breaker (32A) between grid and inveer.
3029
CT wire Corresponding po in meter
IA (white) 13
iA (blue) 14
IB (white) 16
IB (blue) 17
IC (white) 19
IC (blue) 21
Battery
SET SEC
1 4 7 10
13 14 16 17 19 21 24 25
3 6 9 10
Meter
On-grid Load
Grid
Back-up Load
Power Meter
BM S
Rs 485
AC Break er
AC Breaker
CT-A
CT-B
CT-C
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