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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.
Refer to the document “String inverter – Product Manual appendix” avai-
lable at www.abb.com/solarinverters to know the brand and the model of
the quick t connector.
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).
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 Weidmuller connectors does not require any special too-
ling.
- 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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