CDC17 Auxiliary for Contactors CDJL17-2 Mechanical interlocking module

Auxiliary contacts serves for a secondary control on the circuit such as signaling lamps, to monitor if the equipement is in operation, to understand in the contact is switched or not, or to control another equipemet in the circuit based on the status of the mentioned equipement. An auxilary contact make possible to control more than two equipements at the same time due to the normally open and normally closed contact.