EATON BUSSMANN TPB-2000-E

® ® Telpower DC Power Protection Systems Bussmann ® Telpower DC Power Distribution Fuses TPB 170 Volts DC, 1000-2000 Amps Catalog Symbol: TPB DC Power Distribution Fuses Current-Limiting Ampere Rating: 1000 to 2000A Voltage Rating: 170Vdc Interrupting Rating: 100,000A Agency Information: UL Recognized, Guide JFHR2, File E91958 Weight* Catalog Number Amp Qty. Lbs. Kg. TPB-1000-E 1000 1 4.25 1.9 General Information: TPB-1000-M 1000 1 4.25 1.9 • Telpower® BLUE™ label fuses are specifically designed TPB-1200-E 1200 1 4.25 1.9 for dc power distribution systems. TPB-1200-M 1200 1 4.25 1.9 2 • Minimum I t short-circuit let-through levels. TPB-1600-E 1600 1 4.25 1.9 • Current-limiting capability. TPB-1600-M 1600 1 4.25 1.9 • Complete system coordination capability. TPB-2000-E 2000 1 4.25 1.9 Mounting Alignment TPB-2000-M 2000 1 4.25 1.9 TPB fuses are not meant as fixing isolators. Excessive push, * Weight per carton. pull and tensional forces due to misalignments between fuse and bus bars, which might occur like in the example shown below, should be avoided. If possible the fuse installation should be made starting with a fixed input busbar. The fuse should then be mounted to the input busbar, followed by the output busbar. Finally, the output busbar should be rigidly fixed within the system equipment. TABLE A AMP TIGHTENING TORQUE PART NUMBER THREADS RATING * ** TPB-1000-E 1000 Tightening torque and contact pressure TPB-1200-E 1200 ENGLISH 29 lbf-ft 14.7 lbf-ft TPB fuses are electro-mechanical devices. Their function is TPB-1600-E 1600 3/8-24 x .590DEEP very much dependent of the quality of the contact between TPB-2000-E 2000 the fuse and the connecting bus bars. A poor thermal con- TPB-1000-M 1000 nection can result in overheating of the fuse and reduced life- TPB-1200-M 1200 METRIC 40N-m 20N-m time. The number one rule is therefore to observe the right TPB-1600-M 1600 M10 x 15mm DEEP tightening torque when mounting the fuse. See Table A. TPB-2000-M 2000 Bussmann recommends a calibrated torque wrench with a Fuses with flush end contacts tolerance of max. ±4%. For all types of flush end fuses Bussmann recommends (screw in) studs. The studs must be tightened carefully apply- *) Ungreased thread ing a torque of 5-8Nm (3.7 -5.9 lbf-ft). As a general rule the **) Thread greased with Rhodorsil Paste 4 (Rhone-Poulenc) etc. tightening torque for the nuts relates to the dimension of the threaded hole in the fuse contact. See Table A for the recom- mended nut tightening torques. The only controlled copy of this Data Sheet 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. TPB Page 1 of 2 Look for Telpower® BLUE™ fuses exclusively from Cooper Bussmann. 3-26-03 SB03087 Data Sheet: 5025 ® ® Telpower DC Power Protection Systems Bussmann ® Telpower DC Power Distribution Fuses TPB 170 Volts DC, 1000-2000 Amps Time-Current Characteristic Curve–Average Melt Form No. TPB Page 2 of 2 Look for Telpower® BLUE™ fuses exclusively from Cooper Bussmann. 3-26-03 SB03087 Data Sheet: 5025