They can be used in enclosures rba or outdoors rdb for distribution system protection up. The considerable economies inherent in powerfuse protection are possible, first, because the fuse itself is much less costly than other types of protective equipment. For the purpose of this guide, medium voltage transformers are those having primary voltage ratings between 4. High voltage fuses speci cations voltage rating 50a. Medium voltage fuses, high voltage fuses, currentlimiting fuses. Abb current limiting fuses have minimum breaking currents at very low level nearby 3xin. Catalogues high voltage fuses concerning this product group we provide the following catalogues.
As far as many consumers are concerned, electricity still simply comes out of the wall. High current shev fuse the hc hev fuse is designed for protection of highcurrent highvoltage circuits in electric and hybrid electric vehicles employing an industrystandard footprint. Usually they are for indoor application, but outdoor use is possible. Cooper bussmann is a worldleading supplier of medium voltage fuses. Parts super center has partnered with mersen to supply high voltage power fuses. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Medium voltage fuses are not intended to provide overload protection in the same sense as fuses rated 600 volts or less. All bussmann series high speed fuses are designed to the ul 248, iec 60269 1 and 4, or the bs88 standards. Distribution cutouts, disconnect switches, and capacitor fuses english pdf.
In 1969, weve started manufacturing hv fuses, thanks to the knowhow transfer from driescher moosburg. And if the fault removes in that specific period then the fuse element remains safe and it does not melt or breaks. High and medium voltage fuses and fuse bases mersen. The duration of the voltage dip associated with the fault is reduced significantly, minimizing the poten. High voltage power fuses type dba dropout outdoor, boric acid, hookstick operated, 7. For the purpose of this guide, mediumvoltage transformers are those having primary voltage ratings between 4. As a result, weve gained allaround expertise in fuses from design to manufacturing, technical assistance to projectbasis product development. Highvoltage, highperformance fuses power stations, substations, overhead power lines. Data sheet downloads covering din style high voltage fuses through size d fuse clips and more. The glazed porcelain tube made in eti own ceramic factory is extremely high mechanical and thermal resistant. High voltage fuses in order to understand low voltage fuses better, we can further classify it further into. Semienclosed fuses are fuse wire carriers in which the fusible wire itself can be replaced. Medium voltage hv fuses medium voltage fuses sibahhb. Highvoltage power fuses provide a reliable and economical means of protecting small to mediumsized transformers installed in.
Highvoltage power fuses provide a reliable and economical means of protecting small to mediumsized transformers installed in utility and industrial substations. In this type of fuse, basically metal enclosed of a switch and a fuse and is far used for low and medium voltage level. As a world leader in the design and manufacturing of medium voltage fuses and high voltage fuses, eaton offers the only fullline manufacturing of current limiting and expulsion fuses for the ansi and nema markets. After melting the main fuse elements the striker pin will indicate the operation status of the fuse and open a load break switch or actuate a. High voltage power fuses provide a reliable and economical means of protecting small to mediumsized transformers installed in utility and industrial substations. Rules for medium voltage currentlimiting fuses 40 rrated medium voltage fuses and motor circuits 41 medium voltage fuses 40 voltage rating 40 continuous currentcarrying capacity 40 interrupting rating 40 applying rrated fuses 40 additional rules 41. Galvanically protected contact caps made of electrolitic copper are nickel or upon customer request silver plated. Our fuses have been specifically designed with these conditions in mind and with the ability to meet german, international and, in particular, also british standards. Pdf analysis of thermal phenomena in highvoltage fuselinks. Capable to control full range of overload currents either in combination with switching apparatus or as sole protection. High voltage fuses timecurrent characteristic curves 10 100 o nd s lc hev fuse 10a 15a 20a 30a 40a 0. Cooper power series general purpose power fuses are fullrange fuses that provide consistent clearing. This document is available in either paper or pdf format. Hrc fuse high rupturing capacity fuse and its types.
The fusetripped breaker is capable of dealing with small currents, which avoids the necessity of replacing the fuse except high current. Backup currentlimiting power fuses designed to provide short circuit protection of individual motors. This allows designers to select a high speed fuse that can be used anywhere around the world. That is why the chosen fuse links rated voltage should be not less than 1,1 of rated voltage of capacitor unit. For almost 50 years, weve been keeping our focus on the fuses.
The applications of this fuse mainly include low voltage lv, high voltage hv, and small fuses. High voltage fuses from abb connecting world power systems. Welcome to, the top resource for specialty fuses ranging from electronic to high voltage. Find a wide selection of s and c high voltage fuses, ready for shipment from midwest. High voltage din fuses and fuse bases mersen hv fuselinks have been used for reliable protection in highvoltage switchgear and controlgear and highvoltage systems for decades. Rba rdb fuses eaton s rba and rdb expulsion power fuse units offer outstanding protection and reliability, broad selection possibilities, ease of installation, and economy over time. In this type of fuse, the melting of fuse causes the element to drop under gravity about its lower support. The great advantage is the very fast current limiting operation. The hc hev fuse provides timedelay characteristics with diffusion pill technology. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. Eaton s cooper power series fuses are available in a range of kv and amp ratings for protection of transformers and other electrical apparatus.
High voltage fuses low current hev fuse dimensions dimensions in mm zxbd bolt down axial zxiso bolt down iso zxpy blade zxpcb pcb mount zxc cartridge zxpcbl pcb mount long. The definitions on how fuses are designed for a certain purpose fuse class are included in the glossary. Expulsion fuses this document comes with our free notification service, good for the life of the document. Download high voltage fuses according to french standards hhf. C fuses are also available in a capacity of 16000a to 30,000a at 400v also available in range of 80ka to 120ka. Typical fuse construction modern high speed fuses are made in many shapes and sizes figure. High voltage hrc fuse the hrc fuse element carries the short circuit or faults current for the specific interval of time. Power fuses boric acid expulsionstyle full range eaton. Abb high voltage fuses catalogue cable cleats, cable joints. Like an lv cartridge fuse link, an hv fuse link of this type has a ceramic body. Find details of companies offering high voltage fuse at best price. Soc fuses high voltage and low current fuses national fuse.
Shop for high voltage fuses from platt electric supply. Download highvoltage fuses according to british standards hhb. Many hv current limiting fuse links are also fitted with a striker mechanism. As a world leader in the design and manufacturing of mediumvoltage fuses and highvoltage fuses, eaton offers the only fullline manufacturing of current limiting and expulsion fuses for the ansi and nema markets. High voltage fuse technology for more information visit our website. Again, these types of fuses are classified into two types, they are dtype and linktype fuses. High voltage din fuses and fuse bases mersen hv fuselinks have been used for reliable protection in high voltage switchgear and controlgear and high voltage systems for decades.
Download highvoltage fuses according to french standards hhf. Load changes, high startup currents and high levels of vibration mean stress for both the motor and the peripherals. In high voltage motor circuits, conditions are tough. Download high voltage fuses according to british standards hhb.
The pure silver wire or band is wound around the starshaped rod, thus. Download high voltage fuses according to german standards dinnorm, hhd. Without a fuse in the circuit, the shortcircuit current would rise as the prospective current i k. This must be taken into account when determining the required short circuit interrupting rating of. They can be used in enclosures rba or outdoors rdb for distribution system protection up to an operational voltage of 34. The fuse element is anchored to the top ferrule of a glass tube filled with a quenching liquid usually a hydrocarbon. Eti high voltage fuses are designed to assure stable and reliable characteristics. Meffect one of the structural means used for forming the timecurrent characteristic of medium voltage fuse links of cef and cmf series, manufactured by abb, is an overload spot located on fuse elements. Metcalf, in the late 1930s consists of applying overlay spots of special low melting alloy onto the fuse element. The elements of these fuses are designed to withstand the cyclic motorstarting application. In highvoltage motor circuits, conditions are tough. Semi enclosed or rewireable type totally enclosed or cartridge type.
Pdf this paper proposes a method for experimental study of the hv electrical fuses based on the thermal imaging equipments. Catalogues highvoltage fuses concerning this product group we provide the following catalogues. Fuse characteristics, terms and consideration factors 24. The exact fusing current is not as well controlled as an enclosed fuse, and it is extremely important to use. Cooper bussmann circuit protection solutions comply with major international standards. This kind of fuse is most commonly used in the case of domestic wiring and small scale usage. Bussmann circuit protection solutions comply with major international standards. Iec low voltage general purpose fuses and fusegear iec low voltage general purpose fuses and fusegear. Mersen high and medium voltage fuses provide shortcircuit protection of transformers, distribution lines, medium voltage motors, motor controllers, and more. The main function of current limiting fuses is to protect electrical apparatus, such as distribution transformers, motors and capacitor banks against overload currents. Highvoltage fuselinks hv fuselinks are used as protection devices in medium voltage switchgear. Boric acid, expulsionstyle fuses are suitable for both indoor and outdoor applications and provide an economical alternative to refillable fuses. Fuse types medium voltage fuses generally fit into two categories. Fuses and accessories for protection of medium voltage circuits 3.
These factorydirect fuses carry a manufacturerbacked warranty, something not found with surplus or reconditioned fuses. Our highvoltage highbreakingcapacity fuse links open the circuit during the current rise in the. The fuses element is kept inside the airtight container. The rest of the tube is filled with a spring that holds the element or a strain wire in very high voltage fuse links in tension. These fuses are committed to the downsizing and weight reduction of devices through dimensional design that conforms to current ratings and reduces the occupied area within the device. For proper application, the fuse voltage rating must be less than or equal to the system voltage. The fuses are available in erated, rrated and crated, and provide protection for power transformers.
High voltage highbreaking capacity vv fuselinks, high voltage fuselinks for liquidimmersed transformers, high voltage fuselinks for protection of voltage. M effect bussmann high voltage fuse links include meffect as a design feature to enhance performance. High voltage fuses % current limiting type % high breaking capacity % backup class standarts. Zxbd is rated at 450 vdc interrupting rating 10a, 15a, 20a, 30a. These fuses are designed to interrupt current from 100 times the rrating up to 50ka rms symmetrical at rated voltage. Medium voltage fuses 40 voltage rating 40 continuous currentcarrying capacity 40 interrupting rating 40 applying rrated fuses 40 additional rules 41 bussmann series medium voltage fuses 42 high speed fuses 44 typical circuits 44 bussmann series high speed fuses 46 photovoltaic fuses 47 bussmann. Eaton medium voltage power fuse line rbardb expulsion fuse. The elements of these fuses are designed to withstand the. Medium voltage fuses, high voltage fuses, currentlimiting. Download highvoltage fuses according to german standards dinnorm, hhd.
Low power losses permit installation of these fuse links in compact switchgear. Of the many energy utility installations that ensure our vital electricity supply, most people only take notice of the big, visible features. Medium voltage current limiting and expulsion fuses suitable for the protection of distribution transformers, voltage transformers, capacitor banks, motor circuits and installations with other switching apparatus. Ulcsa low voltage general purpose fuses, fuseholders and power distribution blocks ulcsa low voltage general purpose fuses, fuseholders and power distribution blocks. About 652% of these are fuses, 12% are fuse components. They are made for the protection of outdoor transformers. Each product is backed by an efficient worldwide distribution network with unrivaled service and technical support. High voltage fuses of the expulsion type have fiber or glassreinforced plastic tubes and an open end, and can have the fuse element replaced. The cartridge type of fuses has entirely closed containers and the metal contact as well. Highvoltage fuses of the expulsion type have fiber or glassreinforced plastic tubes and an open end, and can have the fuse element replaced. Hrc fuses are normally connected in series with capacitor unit or banks and they are to isolate when units become faulty under normal operating voltages including transient voltage during energizing of capacitors.
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