This contact block allows fast and easy replacement and configuration of your push buttons and selector switches It protects operators from unexpected contact with live circuits thanks to its IP20 protection index It is easily installed and replaced on XB5 complete push-button units and selector switches via a clip assembly and connects to control circuits with simple screw-clamp connections It is sold by 100 units High performance International standards & certifications ( Marine certification, IP66 IP67 IP69 IP69K, Type 4X)