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4.11

External AC Circuit

Breaker and Residual

Current Device

Please install a circuit breaker to ensure the inveer is able to disconnect

from grid safely. The inveer 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 inveer.

The integrated leakage current detector of inveer is able to detect the

real time external current leakage. When a leakage current detected

exceeds the limitation, the inveer 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 inveer.

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

SAJ H2-5K-T2 Instruction Manual

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