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Another function of this COS Change Over Switch is applied in home installations, where its function is as a Bypass ElCB, this Change Over switch is only used in an emergency if there is a leakage current at night and the elcb protection cannot be turned on right. then this COS is very functional so that our house does not go out overnight.
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Materials used:
-ELCB/RCBO Chint 6A 30mA
-COS Ewig 40A
-MCB Chint 1 Phase 6A
- NYM cable 1.5 mm
-LED light
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