CA4-40NRT is a 4-pole front mounted auxiliary contact block equipped with screw terminals for connection with ring tongue ferrules. CA4-..M version offers terminal assortment matching the marking of 4-pole NF(Z)B..RT contactor relays. CA4-40NRT is available with 4 N.O. and 0 N.C. instantaneous contacts for standard industrial environments. Screw terminals for connection with ring tongue ferrules, includes non-detachable screw with conic washer for a fast and secure tightening of cables.