Phoenix Contact 1313291 A coupler connector with specific characteristics is available, suitable for PRC 20 articles and designed as a black component with two positions, accommodating conductor cross sections between 0.5 mm² and 2.5 mm². It has an electrical rating of 400 V and a maximum current capacity of 20 A. Connection is achieved via a screw method, utilizing a socket contact type, with options for release adjustment both mechanically using a tool and manually by hand, and it is intended for use in DC applications.