This 55 Series Version Uses Microcontroller Technology But With Necessary And Sufficient Features. The Main Feature Is Two Point Setting To Avoid Hunting At Site By User Convenience Which Eliminates Calculations And Setting Of C/K. The Switching Sequence Is In "First In First Out" I.e. FIFO Manner. It Is Very Easy To Install And Its Bright 4-digit 7-segment Display Makes It Readable From Distance.

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