"Connected", "Disconnected" and "Test" position carriage switches CE, CD & CT.
Three series of optional auxiliary contacts are available for the chasis:
■Changeover contacts to indicate the "Connected" position CE;
■Changeover contacts to indicate the "Disconnected" position CD, this position is indicated when the required clearance for isolation of the power and auxiliary circuits is reached;
■Changeover contacts to indicate the "Test" position CT, in this position, the power circuits are disconnected and the auxiliary circuits are conntected;