Ct Connection & Electricity Meter Connection; Acrel Meter Connection - Alpha ESS SMILE5 Installation, Operation & Maintenance Manual

Electrical Connection
To disassemble the grid connectors from the SMILE5-INV, unscrew the grid connector
counterclockwise until it can't be rotated and unplug it.
6.4. CT Connection & Electricity Meter Connection

6.4.1. Acrel Meter Connection

The electricity meter should be mounted and connected at the grid transition point
(feed-in point) so that it can measure the grid reference and feed-in power. Alpha ESS
currently provides 4 different power meter solutions:
 SM60A: single-phase meter
 ACR10R: Three-phase CT electric meter
Model
ACR10R-120A CT
ACR10R-120A CT
Table 1 CT meter ratio and accuracy table
CT Ratio
120
200
53
Accuracy
1.2kWh
2.0kWh