Bussmann® Industrial HRC Fuse FF 74 x 212mm, BS88, IEC 269-1 Center Bolted Tags 450 500 560 630 Time-Current Characteristic Curve (Full Size Curves Available) CURRENT RATING 10,000 1,000 CATALOG SYMBOL: FF INDUSTRIAL HRC FUSE CENTER BOLTED TAGS PACKAGE QUANTITY: 1 80kA INTERRUPTING RATING TIME IN SECONDS 100 Dimensional Data: B C D J G E 10 1 F H A 1,000 10 100 .01 10,000 .1 CURRENT IN AMPERES Electrical Characteristics Catalog Number Ampere Rating I2T (Amp2 Seconds x 103) PreTotal At Total At Arcing 415V 550V Watts Loss FF450 450 880 1600 2200 32 FF500 500 1100 2000 2800 38 550AC FF560 560 1400 2400 3500 43 400DC FF630 630 2000 3500 5000 50 Nom Rated Voltage Dimensions (Inches/mm) A B C D E F G 210.0 185.0 134.0 77.5 25.4 15.5 10.5 H J 2.94 6.4 74.0 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 BIF 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. 12-17-98 SB98107 Rev. A Form No. FF Page 1 of 1 BIF Doc #4102