Sungrow SG125HX, User Manual

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5.6.2 Requirements for OT/DT Terminal
OT/DT terminals (not included in the delivery scope) are required for fixing AC cables to
the terminal block. Purchase the OT/DT terminals according to the following
requirements.
O OT T//D DT T T Te errm miin na allss o off P Ph ha asse e W Wiirre e
•
Specification: M10;
•
Dimensions: a≤30mm / 10.5mm≤b≤11.5mm / c≤17mm
O OT T//D DT T T Te errm miin na all o off P PE E W Wiirre e
•
Specification: M10.
5.6.3 Connection Procedure
High voltage may be present in inverter!
Ensure all cables are voltage-free before electrical connection.
Do not connect the AC circuit breaker until all inverter electrical connections are
completed.
step 1 Disconnect the AC-side circuit breaker and prevent it from inadvertent reconnection.
step 2 Release two screws on the front cover of the wiring compartment with supplied Allen
wrench. Open the wiring compartment. Keep the wiring compartment opened during
wiring through the limit lever attached to the cover.
5 Electrical Connection User Manual