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5 - Installation
Installation procedure for quick-fit connectors
There are typically four different types of quick-t connector models used
on ABB inverters: Weidmüller PV-Stick or WM4, MultiContact MC4 and
Amphenol H4.
Please refer to the document “String inverters – Product manual ap-
pendix” available at www.abb.com/solarinverters for information on the
quick-t connector brand and model used in the inverter.
The model of connectors installed on your inverter must be matched by
the same model of the respective corresponding parts to be used (che-
cking the conforming corresponding part on the manufacturer's website
or with ABB).
Using corresponding parts that are not compliant with the quick-t connector models on the
inverter could cause serious damage to the unit and lead to invalidation of the warranty.
CAUTION: To avoid damage to the equipment, when attaching cables, pay particular atten-
tion to polarity.
1. WEIDMÜLLER PV-Stick quick-t connectors
Installation of Weidmüller PV-Stick connectors does not require any spe-
cial tooling.
- Strip the cable to which you want to apply the connector (after verifying
that it complies with the connector limits).
- Insert the wire into the connector until you hear a locking "click".
Click !
3 ... 4 Nm
0 !
- Tighten the knurled ring nut for optimal clamping.
15...16.5mm
4...6mm
5.5...7.5mm
2
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