EATON BUSSMANN FWX-400A

® Bussmann † FWX 250V 35-2500A ® Electrical Characteristics Ordering Information Dimensions Curves 2 2 I t (A Sec) Rated Carton Current Clearing Watts Part Carton Weight Figure Type RMS-Amps Pre-arc at 250V Loss Number Qty. (lbs) Number BIF # 35 50 230 4.2 FWX-35A _____________________________________________________________________________________ _ 40 60 310 5.2 FWX-40A ____________________________________________________________________________________ __ 45 80 390 5.7 FWX-45A 5 1.40 ____________________________________________________________________________________ __ 50 100 520 6.0 FWX-50A ____________________________________________________________________________________ __ 60 140 740 8.1 FWX-60A _____________________________________________________________________________________________________________ 70 330 1400 7.2 FWX-70A ____________________________________________________________________________________ __ 80 430 1850 8.1 FWX-80A ____________________________________________________________________________________ __ 90 570 2450 9.0 FWX-90A ____________________________________________________________________________________ __ 100 740 3150 10.0 FWX-100A ____________________________________________________________________________________ __ 0.32 359 125 1130 4850 12.5 FWX-125A ____________________________________________________________________________________ __ 150 1620 6950 15.7 FWX-150A ______________________________________________________________________________________ 175 2170 9300 18.5 FWX-175A ____________________________________________________________________________________ __ Fig. 1 200 2790 12000 22 FWX-200A _____________________________________________________________________________________ _ _____________ _ 225 3210 14700 24 FWX-225A ____________________________________________________________________________________ __ 250 3960 18100 27 FWX-250A FWX ____________________________________________________________________________________ __ 250V 275 4720 21600 31 FWX-275A ____________________________________________________________________________________ __ 300 6000 27300 32 FWX-300A ____________________________________________________________________________________ __ 350 10600 48600 39 FWX-350A 1 0.52 ____________________________________________________________________________________ __ 400 14500 66100 44 FWX-400A ____________________________________________________________________________________ __ 450 22100 101000 49 FWX-450A ____________________________________________________________________________________ __ 500 28000 128000 54 FWX-500A ____________________________________________________________________________________ __ 600 41100 188000 62 FWX-600A ____________________________________________________________________________________ __ _____________ _ 700 48800 190000 72 FWX-700A ____________________________________________________________________________________ __ 0.90 800 59000 230000 84 FWX-800A ____________________________________________________________________________________ __ 1000 44000 360000 100 FWX-1000AH ____________________________________________________________________________________ __ Fig. 2 1200 92000 750000 103 FWX-1200AH ___________________________________________________________________________________ ___ _____________ 1500 120000 880000 140 FWX-1500AH 35785299 ___________________________________________________________________________________ ___ 2.86 1600 160000 1200000 140 FWX-1600AH ___________________________________________________________________________________ ___ Fig. 3 2000 320000 2300000 151 FWX-2000AH ___________________________________________________________________________________ ___ 2500 670000 4700000 163 FWX-2500AH † U.L. Recognition on 35 through 800 amperes only. 1 kg = 2.2 lbs 1 lb = 0.45 kg n Interrupting rating 200kA RMS Symmetrical. n Watts loss provided at rated current. n (250 Vdc/Interrupting rating 20kA) U.L. Recognition on 35 through 800 amperes only. Form No. FWX 250 Page 1 of 2 7-11-01 SB01191 BIF Doc #720005 ® Bussmann † ® FWX 250V 35-2500A Electrical Characteristics 2 Total Clearing I t Arc Voltage Power Losses 2 The total clearing I t at rated voltage and This curve gives the peak arc voltage, Watts loss at rated current is given in at power factor of 15% are given in the U , which may appear across the fuse the electrical characteristics. The curve L electrical characteristics. For other volt- during its operation as a function of the allows the calculation of the power 2 ages, the clearing I t is found by multi- applied working voltage, E , (RMS) at a losses at load currents lower than the g plying by correction factor, K, given as power factor of 15%. rated current. The correction factor, K , p a function of applied working voltage, is given as a function of the RMS load E , (RMS). current, I , in % of the rated current . g b 1.4 1.0 1.5 Kp U K 1.2 L 0.8 3 10 1.0 0.6 0.5 800 0.4 600 1) 0.5 0.3 500 2) 400 0.2 1) 0.3 0.2 300 2) E g I b Eg 0.1 200 0.15 30 40 50 60 80 90 100% 50 100 150 200 250 70 75 125 200 250 300 1) 35-800 Amp Range 1) 35-800 Amp Range 2) 1000-2500 Amp Range 2) 1000-2500 Amp Range Dimensions Fig. 1: 35-800 Amp Range Fig. 2: 1000-1200 Amp Range Fig. 3: 1500-2500 Amp Range J A A ADC E D C B B C F G H B Order # Fig. A B C D E F G H J Thread Depth FWX-35A-60A 1 3.19 0.81 1.59 2.59 2.25 0.34 0.63 0.13 0.52 � FWX-70A-200A 1 3.13 1.22 1.59 2.44 2.19 0.34 1.00 0.19 0.47 � FWX-225A-600A 1 3.84 1.50 1.59 2.94 2.25 0.41 1.00 0.25 0.75 � FWX-700A-800A 1 3.84 2.00 1.59 3.03 2.28 0.41 1.50 0.25 0.78 � FWX-1000AH-1200AH 2 2.59 3.00 1.50 � � � � � � Tapped �‰¥•-24 ¯ �‰“• FWX-1500AH-2500AH 3 2.59 3.50 1.50 1.50 � � � � � Tapped �‰¥•-24 ¯ �‰“• Dimension in inches. 1mm = 0.0394• 1• = 25.4mm The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Form No.FWX 250 Page 2 of 2 7-11-01 SB01191 BIF Doc #720005