The WF, WY, and WS series are metal shell connectors, these series are a big family, these three series have the same insert, same contacts, and same electric spec, just different shell and different IP rating.
WF series is an IP55-67 waterproof connector, threaded coupling, it is a very strong connector, designed for indoor and outdoor, cold or hot,hush conditions.
The connectors can be used for both cables to cable (in-line) and cable to panel-mount connections. Each side can be male or female contact, (Plug or socket versions), the IP44 caps are available on the panel connector.
1) shell diameter (the panel hole cutout size): from 16mm to 55mm.
2) number of contacts : 2pin to 61pin
3) rated current: 5A-200A
4) IP rating : IP55-IP67
5) CE,ROHS approval