12-17-98 sb98107 rev. a 10 100 1,000 2,000 4 100 10 1 .1 .01 current in amperes time in seconds ampere rating 10 15 20 30 35 50 70 100 150 200 250 300 time-current characteristics?otal clear stud-mounted fuses ack form no. ack page 1 of 1 bif doc #1040 bussmann catalog symbol: ack ampere rating: 10 to 400 amperes voltage rating: 130 volts dc or less (10-100): 130 vdc, (120-200): 72 vdc, (225-300): 48 vdc agency approvals: u.l. recognized (15-300a), guide jfhr2, file e56412 catalog dimensions in inches and (mm) symbol a b c d e f g ack 10e30 2.5 .375 .500 .250 .557 .588 .031 (63.5) (9.53) (12.70) (6.35) 14.15) (14.94) (0.79) ack 35e60 3.0 .470 .685 .344 .812 .860 .051 (76.20) (11.94) (17.40) (8.74) (20.63) (21.84) (1.30) ack 70e100 3.5 .547 .750 .312 1.062 1.125 .050 (88.90) (13.89) (19.05) (7.92) (26.98) (28.58) (1.27) ack 120e200 3.750 .750 .750 .375 1.062 1.15 .050 (95.25) (19.05) (19.05) (9.52) (26.98) (29.21) (1.27) ack 225e400 3.750 .610 .750 .312 1.062 1.125 .050 (95.25) (15.49) (19.05) (7.92) (1.062) (28.58) (1.27) note: 10-60 amp fuses use brass terminals and ferrules. 70-400 amp fuses use copper terminals and ferrules. fuseblocks catalog block catalog block number number number number ack 10-30 4228 ack 120-200 3569 ack 35-60 3411 ack 225-400 3578 ack 70-100 2322 electrical ratings (catalog symbol, amperes and voltage) ack-10 130v ack-40 130v ack-100 130v ack-200 72v ack-15 130v ack-50 130v ack-120 72v ack-225 80v ack-20 130v ack-60 130v ack-140 72v ack-250 80v ack-25 130v ack-70 130v ack-150 72v ack-300 80v ack-30 130v ack-75 130v ACK-160 72v ack-400 80v ack-35 130v ack-80 130v ack-175 72v general information: these fuses avoid needless openings from starting currents or surges. a fuse link which operates only on very high overloads or short-circuits. thermal cutout functions on low overloads ?the thermal cutout cannot operate quickly at any load, hence long time- lag is obtained on high overloads of short duration. this long time-lag also makes it unnecessary to use extra large size or over-size fuses. test specifications fuse load opening time 200% 100 seconds* ack 300% 35 seconds* 500% 13 seconds* *approximately. dimensional data all other tolerances ( 0.005) mm ( 0.13) inches b a ( 0.031") ( 0.79mm) d c e f g the only controlled copy of this bif document is the electronic read-only version located on the bussmann network drive. all other copies of this document are by definition uncontrolled. this bulletin is intended to clearly present comprehensive product data and provide technical infor- mation that will help the end user with design applications. bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. ce logo denotes compliance with european union low voltage directive (50-1000 vac, 75-1500 vdc). refer to bif document #8002 or contact bussmann application engineering at 314-527-1270 for more information.
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