The CE5 auxiliary contact blocks are used for the operation of auxiliary and control circuits in harsh industrial environments., Types of auxiliary contact blocks for front mounting:, - CE5 1-pole block, instantaneous with NO or NC contact, available in 2 IP protection classes, -- CE5 D with built-in microswitch IP40, protection class (IP20 on terminals), -- CE5 W with built-in microswitch IP67, protection class (IP20 on terminals)., The auxiliary contact blocks are equipped with screw connection terminals, which are supplied open, protected against accidental direct contact and bear the corresponding function marking.