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FWK-50A25F Arkusz danych(PDF) 4 Page - Cooper Bussmann, Inc. |
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FWK-50A25F Arkusz danych(HTML) 4 Page - Cooper Bussmann, Inc. |
4 / 21 page Ferrule — FWX 250V (UL): 1-50A FWX (14 x 51mm) Specifications Description: Ferrule style high speed fuses. Dimensions: See dimensions illustration. Ratings: Volts: — 250Vac/dc Amps: — 1-50A IR: — 200kA RMS Sym. — 50kA @ 250Vdc Agency Information: CE, UL Recognition 1-50A & CSA Component Acceptance: 5-30A Electrical Characteristics Total Clearing I2t The total clearing I2t 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). Dimensions - mm (inches) 50.8 (2.000") 15.5 (0.610") 14.3 (0.563") Arc Voltage 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%. 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, Kp, is given as a function of the RMS load current, Ib, in % of the rated current. Catalog Numbers Electrical Characteristics Rated I 2t (A2Sec) Catalog Current Clearing Watts Number Size RMS-Amps Pre-arc at 250V Loss FWX-1A14F 1 — — — FWX-2A14F 2 — — — FWX-3A14F 3 — — — FWX-4A14F 4 — — — FWX-5A14F 14 x 51mm 5 1.6 13 1.3 FWX-10A14F (9⁄16” x 2”) 10 3.6 24 3.4 FWX-15A14F 15 14 83 3.8 FWX-20A14F 20 33 200 4.6 FWX-25A14F 25 58 300 5.3 FWX-30A14F 30 100 500 5.9 FWX-50A14F 50 200 1800 5.7 • Watts loss provided at rated current. • (250Vdc/Interrupting rating 50kA) UL Recognition & CSA Component Acceptance on 5 through 30A only. Consult Cooper Bussmann for additional ratings. • 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 1.5 1.0 0.5 0.3 0.2 0.15 75 125 300 200 250 Eg K 1) 2) UL 1.4 1.2 103 800 600 500 400 300 200 50 100 150 200 250 Eg 1) 2) Kp 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 Sheet: 720006 For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 199 High Speed Fuses |
Podobny numer części - FWK-50A25F |
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Podobny opis - FWK-50A25F |
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