Public Works Department Tender

Supplying, replacement, installation, testing and commissioning of following capacity ACB with Pre fabricated factory made tested with suitable Busbar, Ics=Icu=Icw= 50KA for 1 Sec, EDO type microprocessor based protection release with LCD display, suitable for working voltage upto 690V AC Supply system, adjustable over current, adjustable short circuit, adjustable earth fault instantaneous protection and over temperature protection feature. The breaker shall have min 4NO/4NC auxillary contacts, ready to close contact, zone selective interlocking, double isolation feature, confirming to IEC 60947/IS 13947, Part-II/1993 protection release shall be self powered no additional power required for protection function. Fully rated neutral with inbuilt protection, over temperature, pre overload alarm. LED indication for alarms and warnings. Breaker shall have last 20 tripping detail memory with related accessories for each ACB. New door as per new ACB's also to be mount as existing panel breaking should have electrical interlocking (Incomer and bus coupler) through under voltage release with proper wiring. Retrofitting to match the ACB with existing panel i/c terminals, Primary & secondary connections, other retrofitting material required complete as required at site.

ACB 800 Amps,, 4P, 50kA

ACB 1250 Amps, 4P,50KA