Huawei SUN2000-30KTL-M3 - Connecting DC Input Power Cables

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Figure 5-11 Wiring requirements

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5.5 Connecting DC Input Power Cables

CA UTION

● There are two models of PV connectors delivered with the device: Amphenol

Helios H4 and Staubli MC4. PV connectors of dierent models cannot be used

together. Device damage caused by mixed use of dierent PV connectors is not

covered by the warranty.

● Take waterproof and insulation measures for unused DC power cables to avoid

personal injury or property loss caused by accidental contact with high voltage

or other reasons.

5.5.1 Cable Connection Description

Precautions

D ANGER

● Before connecting the DC input power cables, ensure that the DC voltage is

within the safe range (lower than 60 V DC) and that the DC switch on the

inverter is OFF. Failing to do so may result in electric shocks.

● When the inverter is running, it is not allowed to work on the DC input power

cables, such as connecting or disconnecting a PV string or a PV module in a PV

string. Failing to do so may cause electric shocks.

● If no PV string connects to a DC input terminal of the inverter, do not remove

the watertight cap from the DC input terminals. Otherwise, the IP rating of the

inverter will be aected.

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual 5 Electrical Connections

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