Pluggable Interface Relays CR-M Series The CR-M series of pluggable interface relays from ABB are standard miniature relays with mechanical status indication. This series of relays also have an integrated test button for manual actuation and locking of output contacts, that can be removed if necessary. Output: 2 C/O (SPDT) contacts (12 A), 3 C/O (SPDT) contacts (10 A) or 4 C/O (SPDT) contacts (6 A) Available with or without LED Cadmium-free contact material Suited for logical and standard sockets Width on socket: 27 mm