Each connector has an additional earth pin, eg. a 3 way coupler will actually be a 3P+E.

Metal Socket Kits

Screw terminals with wire protection leaves accept cables up to 2·5mm². Contacts are hard silver plated copper alloy
Plug and socket inserts are interchangeable allowing appliance inlet (fixed plug) and free cable mounting socket arrangements. A separate earth connection is made through all inserts
Cable mounting types include compression glands which will seal circular cables to IP54 and IP65 protection (see technical specification for details)
Although of compact physical size this range is also rated to 250Vac working for group C (Industrial)

Dimensions: 3 and 4-way

H-A Series connectors are type tested to 10A, 440Vac, and are available in kit form, and as individual components.
3 and 4-way versions are available in plastic and metal-bodied versions, with 10 to 48-way only with metal bodies.

Dimensions: 10 and 16 way

Cable plug, side entry
Surface mtg socket
Panel mtg socket
Cable plug, top entry

Dimensions: 32//48 way - gland size PG29

Cable plug, side entry
Cable plug, top entry
Surface mtg socket (32 way only)
Panel mtg socket

Metal-bodied socket connector kits

Note: Each connector has an additional earth pin - e.g a 3-way will actually be a 3P+E