for product data sheets, visit www .cooperbussmann.com/products/datasheet.asp 202 ferrule ?fwp 690v/700v (iec/ul): 1-50a, striker optional high speed fuses dimensions - mm (inches) 51 (2.00") 59 (2.323") 13 (0.511") 14.3 (0.563") 5 (0.197") fwp (14 x 51mm) specifications description: ferrule style high speed fuses with and without indicating striker. dimensions: see dimensions illustrations. ratings: volts: 690vac (iec) 700vac (ul) amps: 1-50a ir: 200ka rms sym. 50ka @700vdc agency information: ce, ul recognition, csa component acceptance for versions without indicator only. electrical characteristics total clearing i 2 t the total clearing i 2 t at rated voltage and at power factor of 15% are given in the electrical characteristics. for other voltages, the clearing i 2 t is found by multiplying by correction factor, k, given as a function of applied working voltage, e g , (rms). arc voltage this curve gives the peak arc voltage, u l , which may appear across the fuse during its operation as a function of the applied working voltage, e g , (rms) at a power factor of 15%. power losses watts loss at rated current is given in the electrical characteristics. the curve allows the calculation of the power losses at load currents lower than the rated current. the correction factor, k p , is given as a function of the rms load current, i b , in % of the rated current. catalog numbers rated i 2 t (a 2 sec) catalog current minimum clearing at watts numbers size rms-amps melting rated voltage loss without striker fwp-1a14fa 1 fwp-2a14fa 2 fwp-2.5a14fa 2.5 fwp-3a14fa 3 fwp-4a14fa 4 fwp-5a14fa 14 x 51mm 5 1.6 11.0 1.5 fwp-10a14fa ( 9 ? 16 " x 2") 10 3.6 38.5 4 fwp-15a14fa 15 8.6 70 5.5 fwp-20a14fa 20 26.0 230 6 FWP-25A14FA 25 46.5 375 7 fwp-30a14fa 30 58 485 9 fwp-32a14fa 32 68 600 7.6 fwp-40a14fa 40 84 750 8 fwp-50a14fa 50 200 1800 9 with striker fwp-10a14fi 10 3.6 38.5 4 fwp-15a14fi 15 8.6 70 5.5 fwp-20a14fi 14 x 51mm 20 26.0 230 6 fwp-25a14fi ( 9 ? 16 x 2) 25 46.5 375 7 fwp-30a14fi 30 58 485 9 fwp-32a14fi 32 68 600 7.6 fwp-40a14fi 40 84 750 8 fwp-50a14fi 50 200 1800 9 features and benefits ? excellent cycling capability and dc performance ? low arc voltage and low energy let-through ( i2 t) ? low watts loss in a compact size ? used with finger-safe holders/blocks typical applications ? dc common bus ? dc drives ? power converters/rectifiers ? reduced voltage starters u l 1.4 1.2 10 3 6 8 7 9 5 4 3 200 300 400 500 600 700 e g k p 1.0 0.8 0.4 0.5 0.6 0.3 0.2 0.1 30 40 50 60 70 80 90 100% i b data sheets: e5781724 rev. b (without striker) 170k5342/43 (with striker) k 1.4 1.2 1.0 0.6 0.8 0.7 0.9 0.5 0.4 0.3 200 300 400 500 600 700 e g 1) 2) 1) 5-30a range 2) 32-50a range 50.8 (2.000") 15.5 (0.610") 14.3 (0.563") with striker without striker fwp with striker option. electrical characteristics
for product data sheets, visit www .cooperbussmann.com/products/datasheet.asp 203 ferrule ?fwp 690v/700v (iec/ul): 1-50a, striker optional high speed fuses high speed fuses fwp 5-50a: 660v/700v (14x 51mm) time-current curve data sheet: 35785307 10 3 10 2 10 C1 10 C2 10 C3 10 C4 fwp-10a14f fwp-15a14f fwp-20a14f fwp-5a14f fwp-50a14f fwp-30a14f fwp-32a14f fwp-40a14f fwp-25a14f 2468 10 1 2 2468 2 10 2 2468 10 3 2 4 6 2 6 4 10 0 2 6 4 10 1 2 6 4 2 6 4 2 6 4 6 4 2 6 2 4 prospective current in amperes rms virtual pre-arcing time in seconds 10 4 prospective short-circuit current symmetrical rms peak let-through current 2 4 2 6 6 4 2 6 4 246 246 246 246 10 1 10 2 10 3 10 4 10 1 10 2 10 3 10 4 10 5 fwp-5a14f fwp-10a14f fwp-15a14f fwp-20a14f fwp-25a14f fwp-30a14f fwp-32a14f fwp-40a14f fwp-50a14f 2 peak let-through curve
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