1.3 The SEC1000: current transformers
Connecting the current
transformers.
• Current Transformers (CTs) are not included in the SEC1000
• CTs must be appropriate to the electrical installation where they will be installed
• They must be installed in an ideal location to record the import/export flow
• For your selection, special attention should be paid to:
• Installation in bars vs wiring
• Primary (X/5 A): suitable for the maximum current of the entire installation (not just PV)
• Secondary (X/5 A): 5 amps
• Recommended open-core CT for easy installation
Example of open core current
transformers.
Explanatory diagram of the location of the current
transformers of the SEC1000.
GW SEC1000
Inverter
– SEC1000 RS485 Line
CT (X/5 A)
Data may change without prior notice
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