High Speed Fuses Ferrule — FWC 600V: 6-32A FWC (10 x 38mm) Specifications Description: Ferrule style high speed fuses. Dimensions: See dimensions illustration. Ratings: Volts: — 600Vac/dc Amps: — 6-32A IR: — 200kA RMS Sym. — 50kA @ 700Vdc (6-25A) Agency Information: CE, UL Recognition: 6-32A. UL Recognition: 6-25A The total clearing I t at rated voltage and at power factor of 15% are given in the electrical characteristics. For other voltages, the clearing I2t is found by multiplying by correction factor, K, given as a function of applied working voltage, Eg, (rms). K 1.0 0.5 Eg 250 400 Dimensions - mm (inches) 38.1 (1.500") 10.3 (0.406") 9.5 (0.375") UL 1.2 103 800 600 500 400 300 200 Eg 300 400 500 600 1.0 Kp 0.8 0.6 0.5 0.4 0.3 0.2 Ib 0.1 30 40 50 60 70 80 90 100% Catalog Numbers 0.3 0.2 0.15 100 1.6 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, Kp, is given as a function of the RMS load current, Ib, in % of the rated current. 1.5 2 This curve gives the peak arc voltage, UL, which may appear across the fuse during its operation as a function of the applied working voltage, Eg, (rms) at a power factor of 15%. High Speed Fuses Total Clearing I t 2.0 Power Losses Electrical Characteristics 2 Arc Voltage 500 600 Catalog Numbers Size FWC-6A10F FWC-8A10F FWC-10A10F FWC-12A10F 10 x 38mm FWC-16A10F (13⁄32” x 11⁄2”) FWC-20A10F FWC-25A10F FWC-30A10F FWC-32A10F Electrical Characteristics Rated I2t (A2 Sec) Current Clearing RMS-Amps Pre-arc at 600V 6 4 30 8 6 50 10 9 70 12 15 120 16 25 150 20 34 260 25 60 390 30 95 600 32 95 600 Watts Loss 1.5 2.0 2.5 3.0 3.5 4.8 6.0 7.5 7.5 • Watts loss provided at rated current. • See accessories on page 216. • • • • Features and Benefits Excellent cycling capability and DC performance Low arc voltage and low energy let-through (I2t) 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 Data Sheet: 720011 For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 205 High Speed Fuses Ferrule — FWC 600V: 6-32A FWC 6-32A: 600V (10 x 38mm) Time-Current Curve 104 6 4 2 103 FWC-6A10F FWC-8A10F FWC-10A10F FWC-12A10F FWC-16A10F FWC-20A10F FWC-25A10F FWC-30A10F & FWC-32A10F 6 4 2 102 Virtual Pre-Arcing Time In Seconds 6 4 2 10 1 6 4 2 100 6 4 2 10–1 6 4 2 10–2 6 4 2 10–3 6 4 2 10–4 2 101 4 6 8 102 2 4 6 8 103 6 104 Prospective Current In Amps RMS Peak Let-Through Curve 104 6 FWC-30A10F & FWC-32A10F FWC-25A10F FWC-20A10F FWC-16A10F 4 Peak Let-Through Current 2 10 3 6 4 2 FWC-12A10F FWC-10A10F FWC-8A10F FWC-6A10F 102 6 4 2 101 101 2 4 6 102 2 4 6 103 2 4 4 6 105 2 Prospective Short-Circuit Current Symmetrical RMS Data Sheet: 35785306 206 For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa

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