The "Sopapex 19" is known as an industry standard in the Light and sound market. ,SLG419AR connector, derived developed to meet the new requirements of the industrial market ,as far as safety of the user and of the equipment are concerned. SLG419AR connectors provides 19 solder termination contacts (size 12) which accept each 25 A. ,This version has solder contacts, a choice of black shell plating meeting RoHS or a clear cadmium plate(non RoHS). There is an option pre mating earth contact version shown by the letter G in the part number.

Amphenol - SL 61 Series Circular Connectors

This family of connectors is widely used in industrial and electronic applications.
This series includes: sockets fitted with male or female contacts, plugs with a choice of straight or angled connectors and accessories (blanking plugs, sealing sleeves).
Available in four enclosure sizes, four types of contacts including currents ranging from 7.5 to 50 Amperes, and different contact arrangements.
Connected using screws, with positioning and guiding pin.