supply of switch disconnector fuse unit , switch disconnector fuse unit, capacity 63 amps, three pole with neutral link, double break, front operated handle ss sheet enclosure, as per is:60947[pt1] 2007, quick make and break, interlock at cover, uninterrupted duty as per utilization cat egory ac-23a and confirming to is: 60947[pt.3] / 1999. it shall be supplied with three numbers of bs type hrc fuses having rupt uring capacity not less than 80ka, confirming to is:13703/1993, suitable for operating on 415v, 3 phases, 50 hz ac. the supplier should submit the test report along with the material. the unit shall be similar to the c&s model e-cssdf63b3-nf. preferred make: c&s / l&t / siemens / ge / havells / schneider / indoasian. [ warranty period: 12 months after the date of delivery ] ]