Eaton s bussmann series bs88 low voltage fuses are available in various tags options to suit all mounting fixings. The elements of these fuses are designed to withstand the cyclic motorstarting application. Supplementary requirements for fuselinks for the protection of solar photovoltaic energy systems. The operating blown indication tip can be observed through the screw cap window. The easiest and fastest way to select and specify the. D0 fuses is the most reliable protection of electrical installation, control and signal circuits against overload and shortcircuit currents. The fuse bases ofaz and ofax are a simple and compact solution for low voltage applications. All of the low voltage bushings provide a spade terminal for internal connection and a. Tab 3power breakers, contactors and fuses revision date section change pages description 06092017 3. Download lowvoltage fuses wirh combination indicator.
D low voltage fuses are used as the most reliable protection of electrical installation, control and signal circuits against overload and. A comparison of circuit breakers and fuses for lowvoltage. These fuses are designed to interrupt current from 100 times the rrating up to 50ka rms symmetrical at rated voltage. New edition of ul 2481, standard for lowvoltage fuses in. Low voltage, highperformance fuses a switchgear without proper fuse protection may well be put out of service for a considerable time. The type code includes one fuse link, but the delivery batch is 30 pcs 00 or 3 pcs per package. These online tools aid in the selection of bussmann series branch circuit, supplemental and photovoltaic low voltage fuse and medium voltage fuses medium voltage fuse. This standard applies to lowvoltage fuses rated v or less, ac andor dc, with interrupting ratings up to 300 ka 200 ka for mexico. Safety and protection fuse bases offer a compact and simple solution for application of fuses as protective elements in low voltage applications and are characterized by galvanically silver plated contacts providing reliable. The easiest and fastest way to select and specify the right fuse. Protecting low voltage distribution and service entrance cables against shortcircuit currents. Nontime delay time delay fuses are the most useful fuses for motor branch circuit application. Fuse characteristics, terms and consideration factors. North american standards call the replaceable element only the fuse.
Actual values can be obtained by contacting littelfuse. High rupture capacity fuses may be rated to interrupt current of 120 ka. Grippinglugs type guide data v page page 000 1 000 live top indicator 20 386 03 nh 18 nh 35 00 1 000 live top indicator 20 389 03 nh 18 nh 35. These fuses are suitable for low voltage automotive and other electronic applications. Low voltage, branch circuit rated fuses class cc dimensions in mm this document provided by barrthorp electric co. Lowvoltage high rupture capacity hrc fuses are used in the area of main distribution boards in lowvoltage networks where there is a high prospective short circuit current. Covers eight classes of low voltage cartridge fuses consisting of a currentresponsive element inside a fuse body with contacts on both ends, rated 600 v or less, ac. Low voltage supplementary fuses low voltage supplementary fuses for superior electrical protection, cooper bussmann recommends upgrading baf, ban and ktk fuse applications to lowpeak lpcc fuses see page 19. The worldclass organisation of mersen offers tried, proven and. Iec low voltage general purpose fuses and fusegear look for a product which product fuse bases fuse holders fuse systems fuses iec fuse switch disconnectors low voltage switches surge protection wiring management custom products. The low voltage fuses are divided into five types such as rewirable, cartridge, drop out, striker and switch fuses.
The range is fully compliant with iec 602691, 602692, vde 06362 third party approval and din 43620. Low voltage fuses for motor protection the class j fuse is also about half the physical size of the rk5 and rk1 reducing panel space and saving money. They are generally larger than screwtype fuses, and have ferrule cap or blade contacts. Fastacting fuses open circuits quickly when surges are detected. These fuses are intended to be used in accordance with the canadian electrical code, part i cec, and the national electrical code, nfpa 70 nec. In this type of fuse, the melting of fuse causes the element to drop under gravity about its lower support. Rated power dissipation of a fuselink and rated acceptable power dissipation of a fuseholder. 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 bussmann series medium voltage fuses 42. Low voltage fuses for motor protection ge industrial. Covers eight classes of low voltage cartridge fuses consisting of a currentresponsive element inside a fuse body with contacts on both ends, rated 600 v or less, ac and dc. Low voltage special purpose fuses look for a product which product fuse bases fuse holders fuse systems fuses iec fuse switch disconnectors low voltage switches surge protection wiring management custom products. The numbers were applied chronologically as different.
Breakthrough current, labeled on the fuse as ir, is the maximum current that a fuse can safely stop in the event of a short circuit. Mersen ulcsa low voltage general purpose fuses and fusegear. Low voltage fuses european nh knifeblade fuse system selection guide gb mining application size rated voltage metal indicator part no. Iec low voltage general purpose fuses and fusegear mersen. Backup currentlimiting power fuses designed to provide short circuit protection of individual motors. Most fuses are manufactured from materials which have positive temperature coefficients, and, therefore, it is common to refer to cold resistance and hot resistance voltage drop at rated current, with actual operation being somewhere in between. Fuse characteristics, terms and consideration factors 24 fuse selection checklist 57. All of the low voltage bushings provide a spade terminal for internal connection and a threaded stud for external connection. Ulcsa low voltage general purpose fuses and fusegear mersen offers a comprehensive line of north american ul and csa fuses, fusegear, and fuse systems.
In this type of fuse, basically metal enclosed of a switch and a fuse and is far used for low and medium voltage level. Low voltage fuses supplementary requirements for fuses for use by authorized persons fuses mainly for industrial application as 3947. Catalog numbers copper cable limiter 600 volts catalog cable catalog cable number size number size. Lowvoltage switchgear and controlgear switches, disconnectors, switchdisconnectors and fusecombination units.
Sep 03, 2015 this standard applies to lowvoltage fuses rated v or less, ac andor dc, with interrupting ratings up to 300 ka 200 ka for mexico. Low voltage fuses general information afac and bac type currentlimiting fuses these fuses have a high interrupting capacity of 100ka at 600v ac or dc and are suitable for power and control circuits. And even if the actual damage is covered by the insurance, the outage may cause an order to be lost, and nobody except you will pay for all the trouble and work involved. Catalogues lowvoltage fuses concerning this product group we provide the following catalogues. How abb system pro e power helped ukraines largest port operator cut energy cost. Lowvoltage fuses to protect lines, motor circuits and transformers. Limitron, and fusetron with lowpeak fuses consistent 2. The definition of low voltage fuses is equally applicable to medium voltage fuses. Lowvoltage fuses supplementary requirements for fuses for use by authorized persons fuses mainly for industrial application as 3947. Iec low voltage general purpose fuses and fusegear look for a product which product fuse bases fuse holders fuse systems fuses iec fuse switch disconnectors lowvoltage switches surge protection wiring management custom products. Rrated medium voltage fuses and motor circuits 41 medium voltage fuses 40 voltage rating 40 continuous currentcarrying capacity 40. Low voltage switchgear and controlgear switches, disconnectors, switchdisconnectors and fusecombination units. This paper discusses the differences between fuses and circuit breakers rated.
Bussmann series low voltage british standard bs88 fuses eaton. Lowvoltage, highperformance fuses a switchgear without proper fuse protection may well be put out of service for a considerable time. Low voltage, branch circuit fuses 1 farnell element14. The elements of these fuses are designed to withstand the. Abb one inch and fiveeighths inch low voltage bushings are molded from a glassreinforced, high temperature nylon resin. However the phenomena that occurs during the fusing of the elements is still shrouded in some mystery. Mersen is renowned leader in the french standard cylindrical fuses and fusegear for the protection of low voltage. Fuse types and classes 27 low voltage branch circuit fuses 28 branch circuit fuse selection chart 34. In iec standards, the replaceable element is called a fuse link and the assembly of fuse link and fuse holder is called a fuse. Selection guide fuse characteristics, terms and consideration.
Low voltage supplementary fuses steven engineering. They are made for the protection of outdoor transformers. Medium voltage level is defined by standard ansi c84 as containing standard system voltages from 2400 through 69,000 v, and the high voltage level contains standard system voltages from 115 kv through 230 kv. The fuse is a plugin type, and it can easily be replaced by removing a screw cap. Ac tags type guide data v page page 000 690 metal combi indicator 20 477 08 nh 17 nh 35 00 690 metal combi indicator 20 209 08 nh 17 nh 35 0 690 metal combi indicator 20 210 08 nh. Items covered by this technical specification are listed in the appendix a. In 1987, soc began production of the worlds first surface mount type fuses the mcf series and later developed a subminiature glass tube fuse the shv series with a rated voltage of 400 v and a size of 20 mm in length and 5 mm in diameter. Fuse characteristics, terms and consideration factors continued 3. The fuse bases can be used in combination with nh fuselinks according to iec 602692 and din vde 06362 and solid links. Lowvoltage fuses are available in sizes from fractions of an amp to thousands of amps, at voltage ratings up to 600 v, and with shortcircuit interrupting ratings of 200 ka or more.
The standard range of fuses for low voltage industrial and general purpose applications meet the requirements of. Ac fuses are further categorized into two parts, i. Overload protection may be provided by fuses, overload relays or motor thermal protectors. Low voltage fuses afac and bac types af97634 o1299 afac60 bac100 60a 200a rear connection type surface connection type link with larger ratings is inserted. The fuse sizes in following chart began with the early automobile glass fuses, thus the term ag. General guide to low voltage motor protection code requirements the nec or cec requires that motor branch circuits be protected against overloads and short circuits. Providing the widest range of circuit protection products in the industry means that we offer solutions for everyone from oems and panel builders to mros and electrical contractors. Low voltage supplementary fuses low voltage supplementary fuses section contents page. Consult sibas entire low voltage fuses catalogue on directindustry. Low voltage special purpose fuses look for a product which product fuse bases fuse holders fuse systems fuses iec fuse switch disconnectors lowvoltage switches surge protection wiring management custom products.
Eaton s bussmann series low voltage nh fuses range from 2 amps to 1250 amps and provide world class leading performance and reliability. The brand offers premium components providing space savings combined with low power losses. Low voltage fuses fuse is a current interrupting device which breaks or opens the circuit by fusing the element when the current in the circuit exceeds a certain value. Bussmann series ul low voltage fuse selector one web world. This article will briefly describe the relevant developments in low voltage fuse standards, how these affect what is published in bs 7671. Rewirable fuses are lv fuses, which are almost used in small applications like wiring in the house, smallscale industries, and other tiny current applications. Low voltage products 11 m fuseline hrc fuse links, type gg up to 690v ordering information hrc fuse links, industrial fuses, gg, up to 690v, sizes 00, 1, 2 and 3 industrial fuses with 20 m silver coating. Low voltage, branch circuit rated fuses steven engineering.
Fuses low voltage fuses european nh knifeblade fuse system selection guide am motor circuit protection size rated voltage removal indicator part no. Short circuit protection may be provided by fuses or circuit breakers. Tested and achieved 800v ac ratings for inline ii, easyline xlp and slimline xr product lines. Low voltage high rupture capacity hrc fuses are used in the area of main distribution boards in low voltage networks where there is a high prospective short circuit current. Developments in lowvoltage fuse standards 23 developments. Select from the available attributes to find a fuses that meets your applications criteria. Limitron, and fusetron with low peak fuses consistent 2. Low voltage fuses are available in sizes from fractions of an amp to thousands of amps, at voltage ratings up to 600 v, and with shortcircuit interrupting ratings of 200 ka or more. The tip color indicates the current rating for instance, pink indicates 3a and red 10a. When a fuse conductor or element melts and interrupts. Soc fuses high voltage and low current fuses national fuse. An introduction to low voltage technology cooper bussmann. Low voltage supplementary fuses low voltage supplementary fuses recommended fuse blocksfuse holders for. Mersen iec low voltage general purpose fuses and fusegear.
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