Electrical Connection
20
User Manual V1.0-2022-03-22
6.4 Connecting the AC Output Cable
WARNING
• Do not connect loads between the inverter and the AC switch directly connected to the
inverter.
• The Residual Current Monitoring Unit (RCMU) is integrated into the inverter. The inverter
will disconnect the utility grid rapidly once it detects any leak current over the permissible
range.
An AC circuit breaker shall be installed on the AC side to make sure that the inverter can safely
disconnect the grid when an exception happens. Select the appropriate AC circuit breaker in
compliance with local laws and regulations. Recommended AC circuit breakers:
Inverter model AC circuit breaker
GW3000-DNS-30 25A
GW3600-DNS-30 25A
GW4200-DNS-30 32A
GW5000-DNS-30 32A
GW6000-DNS-30 40A
GW5000-DNS-B30 32A
GW6000-DNS-B30 40A
Model RCD specications
GW3000-DNS-30
300mA
GW3600-DNS-30
GW4200-DNS-30
GW5000-DNS-30
GW6000-DNS-30
GW5000-DNS-B30
GW6000-DNS-B30
A type A RCD(Residual Current Device) shall be added to protect the equipment when the DC
component of the leakage current exceeds limits. Recommended RCD specications:
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