ZB4BD2 is a 30mm pushbutton operator from Schneider Electric. It is designed to fit into a 30mm mounting hole in a panel, and provides tactile feedback when pushed. It has a black plastic body and a red plastic pushbutton, and is IP67 rated for dust and water resistance. The ZB4BD2 is suitable for use in a variety of applications such as control, diagnostic, and alarm systems. It has a long lifetime of up to one million operations.