Master Controllers

“STERLING” Master Controllers are vertical mounting cam operated sequence switches for use in conjunction with contactor equipment These controllers have been specially developed for frequent operation under the most severe conditions. They are suitable for most Motor drives such as Rolling Mills, Cranes and other applications demanding frequent operation and trouble   free service with limited time available for routine maintenance.

We sterling controllers like many other Manufacturers of Master controllers which are exceptionally light in operation with consequent reduction in operational failure. The contact is a single integral unit and independent of the main cam shaft. The contact tips are bimetallic and can be replaced without disturbing any connections. The entire contact assembly is secured by 2 screws only and it can be removed easily to facilitate maintenance/replacement.

ENCLOSURES:

These Controllers have sheet steel enclosures and are wall fixing as standard. Special mounts can be provided to suit customer’s specific requirements.

Operation:

Operation is by Ball handle and normally provided with spring return. Operating sequences are standard and special sequence can be catered for. The number of steps and cams can be varied to suit customer’s requirements.