description ?time delay, ceramic tube ?optional leaded version available ?1/4 x 1-1/4 (6.3mm x 32mm) physical size ?ceramic tube, nickel-plated brass endcap construction ?ul listed product meets standard 248-14 approvals ul listed card: mda 2/10 - 20a (guide jdyx, file e19180) ul recognized card: mda 25 - 30a (guide jdyx2, file e19180) csa certification card: mda 2/10 - 15 (class no. 1422-01) environmental data shock: 1/100a and 8/10a ?mil-std-202, method 213, test condition i; 1a thru 30a ?mil-std-202, method 207, (hi shock) vibration: 1/100a and 8/10a ?mil-std-202, method 201; 1/4a thru 30a ?mil-std-202, method 204, test condition c (except 5g, 500hz) ordering ?specify product code, option code and packaging code dimensions ( mm in ) drawing not to scale 1/4" x 1-1/4" fuses mda series, time delay, ceramic tube specifications product voltage ac interrupting dc interrupting typical dc cold typical typical code rating rating* rating resistance** melting i 2 t? voltage ac dc 250v 125v 125v (ohms) ac drop mda-1/4 250v - 35a 10000a - 9.325 0.68 4.00 mda-1/2 250v - 35a 10000a - 1.925 2.3 1.42 mda-3/4 250v - 35a 10000a - 0.8555 7.8 1.31 mda-1 250v - 35a 10000a - 0.560 11.1 1.03 mda-1-1/2 250v - 100a 10000a - 0.2585 25.0 0.691 mda-2 250v - 100a 10000a - 0.1645 64.0 0.623 mda-2-1/2 250v - 200a 10000a - 0.06685 28.9 0.213 mda-3 250v - 200a 10000a - 0.0507 40.9 0.182 mda-4 250v - 200a 10000a - 0.0346 134.0 0.162 mda-5 250v - 200a 10000a - 0.02355 345.9 0.145 mda-6 250v - 200a 10000a - 0.01850 534.3 0.141 mda-7 250v - 200a 10000a - 0.01475 580.3 0.137 mda-8 250v - 200a 10000a - 0.01230 944.0 0.134 mda-10 250v - 200a 10000a - 0.00858 1491.3 n/a MDA-15 250v - 750a 10000a - 0.00543 206.2 0.107 mda-20 250v 125v 1500a 10000a 10000a 0.00405 439.5 0.095 mda-25 250v 125v 1500a 10000a 10000a 0.00309 667.9 0.105 mda-30 250v 125v 1500a 10000a 10000a 0.00243 997.0 0.110 * interrupting ratings (measured at 70% - 80% power factor on ac. the interrupting ratings for 25amp, 30amp were measured at 90% - 100% power factor on ac) ** dc cold resistance (measured at 10% of rated current) ?t ypical melting i 2 t (a 2 sec) (i 2 t was measured at listed interrupting rating and rated voltage) ? ypical voltage drop (voltage drop was measured at 25? ambient temperature at rated current) electrical characteristics rated current amp rating opening time 100% none 1/4 - 30a 135% 60 minutes max. 200% 120 seconds max.
time in seconds time in seconds current in amperes current in amper es 1/4 1/2 1 2 3-2/ 10 4 5 6-1/4 10 12 15 20 25 30 time current curve 1/4" x 1-1/4" fuses mda series, time delay, ceramic tube visit us on the web at www.cooperet.com 3601 quantum boulevard boynton beach, florida 33426-8638 t el: +1-561-752-5000 toll free: +1-888-414-2645 fax: +1-561-742-1178 this bulletin is intended to present product design solutions and technical information that will help the end user with design applications. cooper electronic technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. cooper electronic technologies also reserves the right to change or update, without notice, any technical informa tion contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. oc-2545 10/01 ? cooper electronic t echnologies 2001 pa ckaging code pa ck a ging code description bk 100 pieces of fuses packed into a cardboard carton with flaps folded bk1 1,000 pieces of fuses packed into a cardboard carton with flaps folded bk8 8,000 pieces of fuses packed into a cardboard carton with flaps folded option code option code description b board washable - hermetically sealed to withstand aqueous cleaning v axial leads - brass overcaps with copper and nickel flash, plated in tin lead
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