for product data sheets, visit www .cooperb ussmann.com/products/datasheet.asp 83 medium voltage fuses medium voltage fuses fast-acting fuses data sheet: 6003 fuse blocks: 4528, 4529, 4530 & 2960 voltage rating: 1000 to 10,000v basic catalog fuse block numbers catalog number hva, hvr 4528 hvb, hvt 4529 hvj, hvu 4530 hvl, hvx 2960 use #8 screws on blocks 4528 and 4529. use #10 screws on blocks 4530 and 2960. test specifications basic catalog numbers load / opening time hva, hvb, hvj, hvl 110% / 4 hours (min) 135% / 1 hour (max) hvr, hvt, hvu, hvw, hvx 100% / 4 hours (min) 150% / 1 hour (max) hva, hvb, hvj, hvl, hvr, hvt, hvu, hvw & hvx specifications description: medium voltage, non-time delay, fast-acting fuses. dimensions: see basic catalog numbers table. ratings: volts: 1-10kv (see basic catalog numbers table) amps: 1 ? 16 -2a (see basic catalog numbers table) features and benefits ? physical size varies with electrical rating of fuse to prevent over-fusing. ? space saving size. typical applications ? medium voltage instrument protection ? medium voltage circuit protection basic catalog dimensions - in (mm) number kv amp ratings maximum s.c. diameter length hva 1 1 16 , 1 10 , 1 8 , 2 10 , 1 4 , 3 10 , 3 8 , 1 2 , 20kw dc/30kva ac 0.41 (10.4) 3 (76.1) 3 4 ,1,1 1 2 ,2,3,4,6,10 hvb 2.5 1 2 , 3 4 ,1,1 1 2 , 2, 3 20kw dc/30kva ac 0.41 (10.4) 4.5 (114.2) hvj 5 1 16 , 1 8 , 1 4 , 1 2 , 3 4 ,1 1 2 , 2, 4, 6, 10 20kw dc/30kva ac 0.81 (20.6) 5 (126.9) hvl 10 1 16 , 1 8 , 1 4 , 1 2 ,1,1 1 2 , 2, 3 20kw dc/30kva ac 0.81 (20.6) 10 (254) hvr 1 1 2 , 1, 2, 3, 4, 5 kva-500 ac only 0.41 (10.4) 3 (76.2) hvw 1.2 1, 2, 3, 4, 5, 8 kva-12,000 ac only 0.41 (10.4) 2.25 (57.1) hvt 2.5 1 2 , 1, 2, 3, 5 kva-1250 ac only 0.41 (10.4) 4.5 (114.2) hvu 5 1 2 , 1, 2, 3, 4, 5 kva-2500 ac only 0.81 (20.6) 5 (126.9) hvx 10 1 2 , 1, 3, 5 kva-5,000 ac only 0.41 (10.4) 10.0 (253.8) catalog number build-a-code kv basic catalog number amps _ _ _ _ _ _ _ _ _ _ _
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