The auxiliary contact blocks are used for switching auxiliary circuits and control circuits in standard industrial environments., Types of auxiliary contact blocks for front mounting:, - CA4 1 or 4-pole block with instantaneous NO and NC contacts, - CC4 1-pole block, with leading NO and lagging NC contacts, - CAT4 2-pole block with 1 instantaneous NO and 1 NC contact and connection for A1 / A2 coil terminals at the front., Select the type of 4-pole CA4-..E, CA4-..M, CA4-..U or CA4-..N auxiliary contact blocks for the respective contactor or auxiliary contactor type based on the standard requirements (see marking and location of the connection terminals)., Types of auxiliary contact blocks for side mounting:, - CAL4 2-pole block with instantaneous NO and NC contacts., For mounting on the right or left side of the contactor., The auxiliary contact blocks with screw terminals that are open when delivered are protected against accidental contact and have the corresponding function marking.
