The 21.340.5753.0 is a Type 16 E appliance terminal block designed for electrical connections in industrial and commercial applications. It accommodates 10 mm² stranded wire with a voltage rating of 500 V and a current rating of 41 A, providing reliable power distribution in control panels and machinery. The terminal features an M4 mounting stud and is part of the Wieland Electric appliance terminals series for PCB and panel-mount installations. This product is commonly used in appliance wiring, motor control circuits, and general industrial electrical connections where robust, high-capacity terminals are required.