(Single Phase) Automatic Changeover Switch

Rating (In Amps.) 40 Amps. 63 Amps. 100 Amps. 150 Amps. 200 Amps
SIZE (L*B*H) In mm 230*170*115 230*170*115  300*250*115 300*250*115 300*250*115


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

This Unit will be installed between Single Phase Mains Supply and Single-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 Unit is available from 40 Amps. To 200 Amps.

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