User Documentation
General safety notes
11WM4 C2454640000/02/07.2017
General safety notes
– The electrical connections must not be disconnected and
plugged under load.
– The products may only be installed by electrically skilled
persons.
– The PV plug-in connectors must be kept away from prod-
ucts or mediums (including gases) that contain petrol,
kerosine or plasticizer.
Safety notes for installation
WARNING
Hazardous voltage!
The electrical connections must not be discon-
nected and plugged under load. Depending on the
light intensity, voltage, generated by the module,
may be present!
Please regard the following notes:
– Protect all not connected connectors from dirt and water
during installation.
– Make sure that the O-seal of the plug-in connector is free
from dirt before installation.
– Make sure during installation that WM4C contacts will
not be combined with WM4 housings and vice versa.
– Make sure that energized parts like contacts or cables will
not induce a ground fault.
– We can not guarantee the technical specifications, if you
use other components, accessories or tools for installa-
tion than recommended by Weidmüller.
– The PV plug-in connectors must not be subjected to any
mechanical loads.
Intended use
The WM4C plug in connectors are intended for use in pho-
tovoltaics only. They shall only be used within the described
technical specications.
WM4C contacts are not compatible with WM4 housings and
vice versa.
Warranty is limited to combinations of Weidmüller Photovol-
taic connectors.
Recommended tools
Tool Order No.
Wire stripping pliers multi-stripax
®
PV 1190490000
Crimping tool CTFPVWM4 1222870000
Mounting tool Screwty 15 (for WM4 C)
Mounting tool Screwty 18 (for BOX WM4 C)
1290830000
1254670000
Torque srcewdriver DMS MANUELL 9918370000