Electrical UL/CSA Electrical IEC Electronics Consumer/Aftermarket OEM Transportation Cooper Bussmann Terminal Blocks Systems/Services/Software FWP-20A14F Homepage About Cooper Bussmann Contact Us Privacy Legal Cooper Bussmann® Brand Site Map High Speed Fuse, 700V, 14 x 51 mm Ferrule Product Information Product Type: Fuse Product Family: High Speed Brand: Cooper Bussmann Certifications Recommended Products UL Recognized Rec. Modular Fuse Holder: CSA Component Accepted CH14 Series Physical Properties Dimensions: 2in.(L) × 0.563in.(W) × 0in. (H) Electrical Properties Maximum AC Voltage: 700 Maximum DC Voltage: 700 Amperage Rating: 20 AC Interrupting Ratings: ● DC Interrupting Ratings: ● ● ● Watts Loss: 6 Melting I²T: 26 ClearingI²T: 180 Fast Acting: Yes 60 at 700V 200000 at 700V 60 at 700V 50000 at 700V Bussmann® Ferrule FWP 660V/700V (IEC/U.L.) Size Electrical Characteristics I2t (A2S) Rated Current Clearing RMS-Amps Pre-arc at 660V 1-50A ® Ordering Information 1 — — 2 — — 3 — — 4 — — 5 1.6 11 6 — — 14 ≈ 51mm 10 3.6 22 (·Ω¡§∑) 15 10 75 20 26 180 25 44 320 30 58 450 32 68 600 40 84 750 50 200 1800 n Interrupting rating 200kA RMS Symmetrical. n Watts loss provided at rated current. n (700 Vdc/Interrupting rating 50kA) U.L. Recognition. n CSA Component Acceptance: 5 - 30A. Watts Loss Part Number Carton Qty. Carton Weight (kg) — — — — 1.5 — 4 5.5 6 7 9 7.6 8 9 FWP-1A14F FWP-2A14F FWP-3A14F FWP-4A14F FWP-5A14F FWP-6A14F FWP-10A14F FWP-15A14F FWP-20A14F FWP-25A14F FWP-30A14F FWP-32A14F FWP-40A14F FWP-50A14F 10 0.225 Dimensions Curves Figure Number BIF # Fig. 1 35785307 1 kg = 2.2 lbs. 1 lb = 0.45 kg R Dimensions Fig. 1: 1-50 Amp Range 50.8 (2.000") 14.3 (0.563") 15.5 (0.610") Dimension in mm. 1mm = 0.0394∑ 1∑ = 25.4mm 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, E g , (RMS). 1.4 1.2 1.0 0.9 0.8 0.7 0.6 0.5 0.4 1.4 1.2 103 9 8 7 6 K 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, Ib , in % of the rated current . 1.0 Kp 0.8 UL 0.6 0.5 0.4 0.3 5 1) 0.2 4 2) 0.3 200 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%. Eg Eg 3 300 400 500 600 700 200 300 400 500 600 700 0.1 30 40 50 Ib 60 70 80 90 100% 1) 5-30 Amp Range 2) 32-50 Amp Range oducts and 7-18-01 SB01191 Form No. Page 1 of 1 BIF Doc #720025