for product data sheets, visit www .cooperb ussmann.com/da tasheets/ulcsa 403 telcom protection products telcom protection products power feed through terminal blocks series c7021 specifications description: power feed through terminal block with two rows 1 ? 4 -20 studs capable of accommodating the industry standard two-hole compression lugs on both studs in parallel. ratings: volts: 300v amps: 115/175a* per pole center spacing: 0.690" (17.5mm). wire range: awg #2/0-8. poles: 2- to 6-poles. bolt hole spacing: 0.625" or 5 ? 8 (15.88mm). stud: standard 1 ? 4 -20 stud (tin-plated brass) or optional m6 stud. mounting: #6 thread cutting screws (not included) or optional mounting ears. torque rating: 36 lb-in. operating temperature: 130c. agency information: ul/csa; ce certified. *175 achieved using both studs in parallel, 115a using a single stud per line. typical applications ? applications requiring up to 175a utilizing a 2-hole compression lug on 5 ? 8 " centers ? input/output block for telecommunications power panels ? use to eliminate busbars 9.6 (0.38) 28.0 (1.10) ?12.2 typ (0.48) 55.7 (2.19) 12.5 (0.49) ? 9.0 typ (0.35) d a c 15.8 (0.62) 5.4 (0.21) 7.9 (0.31) 1/4-20 unc-2a thread typ 15.8 (0.62) 17.5 typ (0.69) 24.0 (0.94) 14.5 typ (0.57) 14.5 typ (0.57) blind hole for #6 thread cutting screw 15.0 typ (0.59) 33.0 (1.30) 12.7 (0.50) b 30.0 (1.18) 1.6 (r.06) 14.2 ( ?.56) e a catalog number build-a-code series poles mount ends studs hardware c7021 C C 01 = 1-pole (2 studs) blank = mount ends blank = standard blank = no hardware 02 = 2-pole (4 studs) n = no mount ends m6 = m6 studs 0 = bulk pack, one set 03 = 3-pole (6 studs) 1 = bulk pack, two sets 04 = 4-pole (8 studs) 2 = assembled, bottom 05 = 5-pole (10 studs) 3 = assembled, top 06 = 6-pole (12 studs) 4 = assembled, both sets dimensions - in (mm) catalog numbers a b c d e c7021-01-x c7021-02-x 17.5 (0.69) - 54.4 (2.14) 67.3 (2.65) 31.8 (1.25) c7021-03-x 34.9 (1.37) - 70.9 (2.83) 84.8 (3.34) 49.2 (1.94) c7021-04-x 52.3 (2.06) - 89.3 (3.52) 102.2 (4.02) 66.7 (2.63) c7021-05-x 69.8 (2.75) - 106.8 (4.20) 119.7 (4.71) 84.2 (3.31) c7021-06-x 87.2 (3.44) - 124.2 (4.89) 134.1 (5.40) 101.7 (4.00) c7021-01n-x c7021-02n-x 17.5 (0.69) 36.1 (1.42) - - 31.8 (1.25) c7021-03n-x 34.9 (0.69) 53.5 (2.11) - - 49.2 (1.94) c7021-04n-x 52.3 (2.06) 71.0 (2.80) - - 66.7 (2.63) c7021-05n-x 69.8 (2.75) 88.4 (3.48) - - 84.2 (3.31) c7021-06n-x 87.2 (3.44) 105.9 (4.17) - - 101.7 (4.00) panel cutouts
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