The ABB CAL4-11RT Auxiliary Contact Block is a side mounted instantaneous auxiliary contact block for clipping onto the right and/or left-hand side of the contactor. CAL4-11RT is a 2-pole block, with 1 N.O. and 1 N.C. contacts. The letters RT mean that the auxiliary contact block is equipped with IP20 non-detachable screw with conic washer for a fast and secure tightening of cables with ring tongue ferrules, delivered open. Degree of Protection -Auxiliary Terminals IP40
IEC 60529, IEC 60947-1, EN 60529