d d ac: 35-800a 700vac, 200ka i.r. dc: 35-800a 700vdc, 100ka i.r. l/r = 10ms ? ? ratings a70qs amp-trap ? semiconductor protection fuses were developed in response to the need for improved overall performance of 700 volt semiconductor fuses for new equipment requirements. a70qs fuses have lower i 2 t for better protection, longer life when subjected to cyclic loading, plus lower watts loss. a70qs is the best choice to protect dynamic solid state equipment such as motor drives, ups, etc. ul recognized component, ac/dc ul file e60314 ac: guide no. jfhr2 dc: tested to ul standard 198l parameters (35-800a) csa certified file lr 12636 ? ? ? ? approvals highlights: 700v ac/dc rated very low l 2 t low watts loss superior cycling ability ? ? ? ? applications: protection of 700v or less motor drives, ups, inverters, etc. ? a 70 qs 150 - 4 amp-trap ? fuse rated volts - 700 style amperes * mounting types* blades, bolt-in * for ampere ratings and types not listed, consult the factory. catalog numbering system a 70 qs 150 4,4k single pole fuse blocks for a70qs fuses feature s / benefits very low l 2 t for improved protection of equipment superior cycling ability for long, reliable life on high - cyclic loading low watts loss for cooler operation 700v ac/dc rating gives greater design versatility ultra compact sizes allow down-sizing of existing equipment ? ? ? ? ? amp-trap ? C form 1 01 a 70qs semiconducto r protectio n fuses fuse mounting type fuse ampere rating fuse block catalog number A70QS-4 35-200 p243c A70QS-4k 125-200 p266a A70QS-4 225-600 p266a A70QS-4k 450-600 fh70f3
d d d d i 2 t data fuse clearing at 700v ac ampere melting 1 fuse 2 fuses in rating (fig. a) series (fig. b) (a 2 s x 10 3 ) (a 2 s x 10 3 ) (a 2 s x 10 3 ) 35 0.13 0.47 0.27 40 0.16 0.58 0.33 50 0.24 0.86 0.49 60 0.32 1.2 0.69 70 0.50 1.8 1.0 80 0.65 2.3 1.3 90 0.83 3.0 1.7 100 1.0 3.6 2.1 125 2.1 6.9 4.0 150 3.3 11 6.3 175 4.2 14 8.0 200 5.9 19 11 225 9.0 30 17 250 12.6 42 24 300 16.7 55 32 350 21.5 72 41 400 29.7 99 57 450 36.7 125 72 500 47.1 160 92 600 65.2 222 127 700 103.6 332 190 800 135.3 433 248 load 700 vac fault fig. a load 700 vac fault fig. b o perating voltage (ac rms volts) correction factor for i 2 t clearing i 2 t vs. ac operating voltage amp-trap ? C form 1 01 a 70qs semiconducto r protectio n fuses for ampere ratings and styles not listed, call technical services. (including indicators) standard fuse ampere ratings, catalog numbers dimensions catalog mounting dimensions - inches (mm) number type a b c d e f g h a70qs35 to 100 4 4.38 1.00 2.88 3.69 3.50 0.31 0.75 0.13 (111) (25.4) (73.0) (93.6) (88.9) (7.9) (19.0) (3.2) a70qs125 to 200 4 4.38 1.22 2.88 3.69 3.56 0.31 1.00 0.19 (111) (31.0) (73.0) (93.6) (90.5) (7.9) (25.4) (4.8) a70qs125 to 200 4k 5.09 1.22 2.88 4.19 3.50 0.41 1.00 0.19 (129) (31.0) (73.0) (106) (88.0) (10.3) (25.4) (4.8) a70qs225 to 400 4 5.09 1.50 2.84 4.16 3.53 0.40 1.50 0.25 (129) (38.1) (72.2) (106) (89.7) (10.3) (38.1) (6.4) a70qs450 to 600 4 5.09 2.00 2.84 4.16 3.53 0.41 1.50 0.25 (129) (50.8) (72.2) (106) (89.7) (10.3) (38.1) (6.4) a70qs450 to 600 4k 7.09 2.00 2.84 6.16 3.53 0.53 1.50 0.25 (180) (50.8) (72.2) (156) (89.7) (13.5) (38.1) (6.4) a70qs700 to 800 4 7.09 2.50 2.84 5.28 4.91 0.53 2.00 0.38 (180) (63.5) (72.2) (134) (125) (13.5) (50.8) (9.5) i 2 t data C 700 volts ac, 200ka ampere catalog rating number 35 a7oqs35-4 40 a7oqs40-4 50 a7oqs50-4 60 a7oqs60-4 70 a7oqs70-4 80 a7oqs80-4 90 a7oqs90-4 ampere catalog rating number 100 a7oqs100-4 125 a7oqs125-4 125 a7oqs125-4k 150 a7oqs150-4 150 a7oqs150-4k 175 a7oqs175-4 175 a7oqs175-4k ampere catalog rating number 200 a7oqs200-4 200 a7oqs200-4k 250 a7oqs250-4 300 a7oqs300-4 350 a7oqs350-4 400 a7oqs400-4 450 a7oqs450-4 ampere catalog rati ng number 450 a7oqs450-4k 500 a7oqs500-4 500 a70qs500-4k 600 a7oqs600-4 600 a7oqs600-4k 700 a7oqs700-4 800 a7oqs800-4
d d melting time C current data, 700v fuses time in seconds current in amperes available current in rms symmetrical amperes maximum instantaneous peak let-thru amperes peak let-thru current data C a70qs35 to 800, 700 volts ac a70qs35 to 800 amp-trap ? C form 1 01 a 70qs semiconducto r protectio n fuses
d d d l/r time constant (ms) dc voltage capability vs. time constant dc voltage capability percent rated current correction factor for watts loss maximum peak arc volts watts loss vs. % rated current ampere watts ampere watts rating loss (w) rating loss (w) 35 6.2 200 41 40 7.5 225 37 50 9.8 250 42 60 12 300 53 70 15 350 64 80 18 400 75 90 20 450 78 100 24 500 92 125 22 600 116 150 29 700 125 175 35 800 143 watts loss at rated current ampere clearing i 2 t rating (a 2 sx10 3 ) 35 0.25 40 0.35 50 0.60 70 1.3 80 1.8 90 2.4 100 3.1 125 5.3 150 8.1 175 12 200 16 225 21.5 250 27.5 300 42 350 63 400 85 450 115 500 150 600 201 700 325 800 450 clearing i 2 t at 700v dc, 100ka, l/r = 10 ms circuit voltage (volts rms) amp-trap ? C form 1 01 a 70qs semiconducto r protectio n fuses d
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