protistor dc fuses protistor dc fuses scdc 52 dc square-body fuses sizes 300 - 302 - 2x302 sr brackets size 300 - 2400v dc 12/04 dimensions main characteristics pack: 1 piece sre from 20 to 180 a 3 217 246 268 48 58 47.5 63 129 38 9 13 microswitch mc 2r 3e 1-5n bs ref. number: j310025 weight: 1150 g 20 25 32 40 50 63 80 100 125 160 180 cc 24 sre 300 qf 0020 cc 24 sre 300 qf 0025 cc 24 sre 300 qf 0032 cc 24 sre 300 qf 0040 cc 24 sre 300 qf 0050 cc 24 sre 300 qf 0063 cc 24 sre 300 qf 0080 cc 24 sre 300 qf 0100 cc 24 sre 300 qf 0125 cc 24 sre 300 qf 0160 cc 24 sre 300 qf 0180 breaking capacity x075299 w075298 g079471 h079472 j079473 k079474 l079475 m079476 n079477 p079478 q079479 watts loss 0.8 i n i n (w) (w) 18 21 22 26 32 35 38 41 49 50 51 36 42 43 51 62 69 75 80 95 96 98 size current rating i n ( a ) designation d300se24c20qf d300se24c25qf d300se24c32qf d300se24c40qf D300SE24C50QF d300se24c63qf d300se24c80qf d300se24c100qf d300se24c125qf d300se24c160qf d300se24c180qf catalog number ref. number max. i 2 t @ 2000 v l/r = 15 ms l/r = 45 ms (a 2 s) (a 2 s) 150 260 310 530 750 1650 3700 8000 14000 34000 57000 260 460 540 920 1300 2900 6500 14000 25000 60000 100000 300 @ 2400 v dc 100 ka l/r = 15 ms @ 2000 v dc 100 ka l/r = 45 ms
dc square-body fuses sizes 300 - 302 - 2x302 sr brackets size 300 - 2400v dc scdc 53 protistor dc fuses protistor dc fuses 12/04 sre from 20 to 180 a dc applications data time vs. current characteristics electrical characteristics peak arc voltage vs. working voltage t (s) t (s) l/r (ms) i (a) i (a) u (v) 10 10 2 10 3 10 4 1000 1200 1400 1600 1800 2000 2200 2400 2600 100 90 80 70 60 50 40 30 20 10 0 10 4 10 3 10 2 10 1 10 -1 10 -2 10 -3 10 -4 10 4 10 3 10 2 10 1 10 -1 10 -2 10 -3 10 -4 20 32 50 63 100 160 above: curve indicates maximum permissible value of time constant l/r as a function of dc working voltage 1 : l/r = 45 ms 2 : l/r = 15 ms max. ac voltage (50/60 hz): 2000 v with breaking capacity of 80 ka um(v) u (v) 0 400 800 1200 1600 2000 2400 5000 4000 3000 2000 1000 0 1 2 10 10 2 10 3 10 4 above: curves indicate for various time constants l/r the peak arc voltage which may appear across fuse terminals, vs. dc working voltage above: curves indicate, for each rated current, pre-arcing time vs. r.m.s. pre-arcing current. a= 130 a2=0.6 b1= 1.25 b2= 0.6 cf3= 0.8 a= 130 a2=0.6 b1= 1.25 b2= 0.6 cf3= 0.8 25 40 80 125 180
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