The AC voltage rating of Bussmann fuses is given in volts rms. Fuses tested to IEC are . semiconductor devices that utilize diodes, GTOs, SCRs and. SSRs. This catalog is intended to present product data and provide technical information that will help the end World’s leading supplier of fuses and fusible protection. Cooper Bussmann® circuit protection solutions comply with major industrial standards of high speed semiconductor fuses and the convenience of Class J .
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Accessories Ferrule fuses may be mounted in fuse clips, fuseholders, fuseblocks or bussmanb switches. If a fuse is used with a voltage rating lower than the circuit voltage, arc suppression will be impaired and, under some fault current conditions, the fuse may not clear the overcurrent safely.
UL recognized as a disconnect switch for interruption of ctaalogue current by means of withdrawing the fuse carrier. Clearing time is the total of the melting time and the arcing time.
The ordering codes are shown in the table below. Usually, they are caused by harmless temporary surge currents that occur when motors are started-up or transformers are energized.
For agency and CE information see the appropriate data sheet. See pages for Class RK5 dimensional data. Photo shown with side walls. Operation BBU Expulsion Fuses utilize cagalogue proven performance of boric acid to create the de-ionizing action needed to interrupt the current. Fuses – df G They can be used on industrial distribution systems and all fuses are designed cataloguee use on the following: Modern current-limiting fuses, under short-circuit conditions, can force the current to zero and complete the interruption within a few thousandths of a second.
Thermoplastic- UL V-2 Clip: BS amps Filteype ka 3. Data sheets can also be downloaded from the Internet. Weight Clip Fuse No. Fibre Cartridge Interrupting Rating: Their unique design and construction provide: Safe and reliable application of overcurrent protective devices based on these sections mandate that.
Levels of overcurrent are scaled on the horizontal axis; time ctalogue on the vertical axis. Continuous overloads can result from defective motors such as worn motor bearingsoverloaded equipment, or too many loads on one circuit. Units may be interlocked without screws. JN1, 2 circuits Wire Size: O-ring seals maximize pressure build-up during current limiting action and ensure filler retention. One pin is required to gang units together, and rating multiple poles.
Circuits are subject to destructive overcurrents. See BIF document for details. Drawings cata,ogue general provisions of the Contract, including General and Supplementary Conditions and Divisions 1 Specification sections apply to.
Bussmann. Circuit Protection Solutions – PDF
Stainless steel Optional Accessories: Current-limiting capability Complete system coordination capability Load connection: Fuseblocks are also available for most applications.
When a resistive load is energized, the current rises instantly to its steady-state value, without first rising to a higher value. Your business or home from.
They are electrically connected to the end blades or ferrules see Figure 1 and enclosed in a tube or cartridge surrounded by an arc quenching filler material. Carrier provides a positive, stress free fitting of fuse and locks the fuse in position ensuring safe insertion and withdrawal from the base.
Also filetye of this xatalogue of overcurrent is that it does not leave the normal current carrying path of the circuit that is, it flows from the source, through the conductors, through the load, back through the conductors, to the source again.
Fuse Display Merchandiser will consist of any number of either size bins; header card push pegs to attach and part number labels. Peak Let-Through Current, lp The instantaneous value of peak current letthrough by a current-limiting fuse, when it operates in its current-limiting range. To avoid electrical shock, turn power off before installing, removing or servicing. Compact branch-circuit units with high interrupting rating and current limitation.