(Three Phase) Automatic Changeover Switch

Rating (In Amps.) 63 Amps. 100 Amps. 150 Amps. 200 Amps.
SIZE (L*B*H) mm 300*250*115  450*310*135 450*310*135  450*310*135


SELFGUARD Three Phase Automatic Changeover Switch (CTF) transfers the load automatically from mains to generator and from generator to mains.

This Unit will be installed between Three Phase Mains Supply and Single Phase Generator or Three Phase Generator.

During the absence of Main Supply when the Generator starts, this unit automatically shifts the load to Generator side.

After the Presence of Main Supply, this unit shifts the load from Generator to Mains without any delay and Generator runs on No Load Condition.

This Product is Applicable for Three Phase Main Supply and Single Phase Load only (such as Lights, Fans, Single Phase AC, Single Phase Motors etc.)


This Unit is available from 63 Amps. To 200 Amps.


The selection of Changeover is done according to the load of Main Supply.