for product data sheets, visit www .cooperb ussmann.com/products/datasheet.asp 71 medium voltage fuses medium voltage fuses e-rated fuses: cl-14 & bolt-in data sheet: 9002 catalog number cross reference cooper bussmann ferraz-shawmut ferraz-shawmut catalog numbers new catalog # old catalog # ecl055-10e a055c1doro-10e 225-007-937 ecl055-15e a055c1doro-15e 225-007-938 ecl055-20e a055c1doro-20e 225-007-939 ecl055-25e a055c1doro-25e 225-007-940 ecl055-30e a055c1doro-30e 225-007-941 ecl055-40e a055c1doro-40e 225-007-942 ecl055-50e a055c1doro-50e 225-007-943 ecl055-65e a055c1doro-65e 225-007-944 ecl055-80e a055c1doro-80e 225-007-945 ECL055-100E a055c1doro-100e 225-007-946 ecl055-125e a055c1doro-125e 225-007-947 ecl055-150e a055c1doro-150e 225-007-948 ecl055-200e a055c1doro-200e 225-007-949 ecl055-250e a055c1doro-250e 225-007-950 ecl055-300e a055c1doro-300e 225-007-951 ecl055-400e a055c1doro-400e 225-007-952 ecl055-450e a055c2doro-450e 225-007-953 ecl055-500e a055c2doro-500e 225-007-954 ecl055-600e a055c2doro-600e 225-007-955 ecl055-750e a055b3doro-750e a055x750e-4 ecl055-900e a055b3doro-900e a055x900e-4 ecl055 & ebi055 specifications description: e-rated medium voltage, current-limiting fuses for transformer and feeder protection. construction: filament wound, glass epoxy fuse tube, with silica filler, and silver-plated copper terminals and endcaps containing a silver element in a double concentric helical configuration. ratings: volts: 5.5 kv amps: 10-900a ir: 63ka sym. max agency information: meets e requirements per ansi c37.46, meets general purpose requirements per ansi c37.40. features and benefits ? clip-lock and bolt-in style available in double and triple barrel fuse designs for application flexibility ? the filament wound, glass epoxy fuse tube provides uv and moisture protection, making these medium voltage fuses suitable for both indoor and outdoor applications ? open fuse indication (indicator travel distance is 16mm) easily integrates into automation schemes ? 50/60 hz operating frequency make these fuses applicable world-wide typical applications ? 5.0 kv transformer primary protection ? 5.0 kv feeder circuit protection ? 5.0 kv voltage switches ? 5.0 kv metal-enclosed switchgear current-limiting medium voltage fuses are classified into three categories: 1. full range - defined by ansi as a fuse capable of interrupting all currents from the maximum rated interrupting current down to the minimum continuous current that causes melting of the fusible element(s), when the fuse is applied at the maximum ambient temperature specified by the manufacturer. it is able to interrupt any normal 60 cycle current that will melt its element. 2. general purpose - defined by ansi c37.40 as a fuse capable of interrupting all currents from the maximum rated interrupting current down to the current that causes melting of the fusible element in one hour. not all currents fall within this range. it is possible to receive an overcurrent lower than the value given by the one hour criterion. 3. back-up - defined by ansi c37.40 as a fuse capable of interrupting all currents from the maximum rated interrupting current down to the rated minimum interrupting current. the minimum rated interrupting current is the lowest current that the fuse will be able to clear properly. this creates a need to place a low current interrupting device in series with the back-up rated fuse. catalog number construction (example) catalog number voltage rating ampere rating ecl 055 500e 055 = 5.5 kv catalog numbers catalog amp ir # of numbers rating voltage max sym. barrels style ecl055-10e 10 5.5kv 63ka 1 clip-lock ecl055-15e 15 C ecl055-20e 20 C ecl055-25e 25 C ecl055-30e 30 C ecl055-40e 40 C ecl055-50e 50 C ecl055-65e 65 C ecl055-80e 80 C ECL055-100E 100 C ecl055-125e 125 C ecl055-150e 150 C ecl055-200e 200 C ecl055-250e 250 C ecl055-300e 300 C 2 ecl055-400e 400 C ecl055-450e 450 C ecl055-500e 500 C ecl055-600e 600 C ebi055-750e 750 C 3 bolt-in ebi055-900e 900 C 1 clip-lock clip-lock bolt-in 2 3 63ka
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