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Convenience | Comfort | Sophistication 

Phase
230V AC

Neutral

P

N

P1

P2

VTW/B-400

LED
CFL

L1

L2

LED
CFL

L3

L4

LED
CFL

LED
CFL

Wiring Diagram

Mains Supply

Wiring Diagram

Backup Supply

Note : Incase of Mains Supply failure, Loads L3 & L4 
           will work on Backup Supply.

Backup Supply
Phase 230V AC

Backup

Neutral

P

N

P1

P2

VTW/B-400

LED
CFL

L1

L2

LED
CFL

L3

L4

LED
CFL

LED
CFL

Phase 
230V AC

Neutral

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