supply of welding socket unitwelding socket unit,supply of welding socket unit of dimension 380(l)x650(w)x300(d) duly housed in outdoor enclosure made of high quality thermoplastic polycarbonate pc / gfs (shock proo f,weather proof, rust free, fire retardant, high impact against mechanical load) and shoul d have degree of ingress protection ip 65 as per iec 60529 to perform under ambient temperature -35 deg c upto +80 deg c. type of mounting: tubular pole mounting, mounting s heet material/canopy should be made of hot dip galvanized iron flat sheet material with thickness shall not be less than 2mm and ms flat frame (32x6)mm to be welded on gi sheet. t he welding socket unit should comprising of the following items. 1.) copper bus bar (r,y,b,n ) of each bus bar dimension (30x10)mm rating range 100-200amps, and separate earth strip co nfirmed to is 1897:2008 or lastest.2.) 63amps 4pole residual current circuit breaker with op erating volt age of 415volts, 50hz, tripping range : 30ma 3.) 63amps 4pole (3p+n) miniature ci rcuit breaker with operating voltage of 415volts, 50hz, breaking capacity range : 10/16/25 k a 4.) 20amps 2pole (p+n) miniature circuit breaker with operating voltage of 230volts, 50hz, breaking capacity range : 10/16/25 ka (all rccb and mcb confirming to is/iec 60898-1:2002 or l atest ), prefferable make: legrand, havells, schneider, hager, l&t. or equivalent) 63amps 5pi n (3p+n+e) and 20amps 3pin (p+n+e) industrial welding socket (with spring supporting door) and suitable plug working on 415volt ac supply, 50hz, of degree of protection ip 67 are desi gned as per iec 60309-1 and 60309-2, preferable make: schneider, hensel-walther, cape or eq uivalent. 6.) 4runs of 16sqmm cu. frls wire. (each r,y,b,n) from copper bus bar to rccb (inco mer), 4runs of 16sqmm cu. frls wire from rccb (outgoing) to 63amps mcb (incomer), 2runs of 6sqmm cu. frls wire from rccb (outgoing) to 20amps mcb (incomer), 5runs of 16sqmm cu. frl s wire from 63amps mcb(4runs) & green wi