US Patent 10230179 Electrical connection terminal with a two-part operating element

An electrical connection terminal includes: a connection terminal housing having a conductor insertion opening; a busbar arranged in the connection terminal housing; a spring element rotatably mounted in the connection terminal housing and pivotable into an open position and into a closed position, a conductor inserted into the conductor insertion opening being clampable against the busbar by the spring element in the closed position; and an actuation element rotatably mounted in the connection terminal housing and by which the spring element can be actuated for transfer into the open position and into the closed position. The actuation element includes a base body, which has a tool insertion opening, and an actuation arm. The base body and the actuation arm are formed in two parts, the actuation arm being formed pivotally movable relative to the base body.