Depending on safdar sassanis long experience in this field, we manufacture low hrc fuse system based on the know how, and with complete production line and testing equipment bought from aeg germany. Hrc form ii currentlimiting fuses h07c, k07c, l09c. Types and characteristic of hrc fuse the electrical portal. A fuse contains a current carrying element sized so that the. Sentron lv hrc fuse switch disconnectors with dependent manual operation. Electrical faults, hrc fuses, shortcircuit currents, over currents. A fuse contains a current carrying element sized so that the heat generated by the flow of normal current through it does. Conform to iec 602691,2 and en 602691 up to 1250 a. High voltage hrc fuse the hrc fuse element carries the short circuit or faults current for the specific interval of time. Introduction a fuse is one type of over current device that is designed to be a sacrificial element in an electrical power system. Jul 16, 2015 in some point of view hrc fuse is better than circuit breaker.
There are 743 suppliers who sells hrc fuses on, mainly located in asia. Sitor semiconductor fuses lv hrc design 553 fuse links in lv hrc design and a huge variety of models support a wide range of applications from 500 v to 1500 v and 150 a to 1600 a. But we want to know about all technical information about hrc fuses. Generally the material used for hrc fuse is glass but which is not always in the case. Hrc fuse or high rupturing capacity fuse carry short ckt heavy current for a known time period, unlike the normal fuses. Ensure that the voltage rating of the fuse suitable for the application.
A comparison of circuit breakers and fuses for lowvoltage applications tony parsons, phd, p. Usually isolating switches are provided in series with fuses where it is necessary to permit fuses to be replaced or rewired with safety. Energy saving hrc fuselinks blade type hn 63 a 800 a cylindrical type hf 2 a 63 a. Hrc fuse manufacturers, high rupturing capacity fuse. Section bussmann series iec page fuses cylindrical fuses. For most hv hrc fuse links the lowest breaking current is i min 2. A comparison of circuit breakers and fuses for lowvoltage. This is a design and some suggestions for conservation on preliminary basis.
It is suggested to test warm the equipment with fuses at a load of 1. A fuse is a protection device used to protect a device or a circuit from severe damage caused due to overcurrent or short circuit faults. Hrc cartridge fuses hrc cartridge fuses continued 1 overrating described by standards 1 overrating described by standards 2 overrating not described by standards 3 08 143 10 153 96 cylindrical type gg conform to nf c 60200 63210211 iec 602691 and 21 veritas approved rating voltage rupture capacity amps volts amps. And if the fault removes in that specific period then the fuse element remains safe and it does not melt or breaks. Many small cartridge fuses will have additional markings stamped on the end caps. During this period, if fault is removed, then it does not blow off otherwise it will melt and remove the circuit from electrical. Hrc fuse consists of heat resisting ceramic body having metal end caps on which silver current carrying element. Procurement of hrc fuses for chp electrical maintenance. The enclosure of hrc fuse is either of glass or some other chemical compound.
Illustrate, with a simple sketch, the construction of an hrc fuse. Some automotive fuses are occasionally used in nonautomotive electrical applications. Siemens low voltage hrc fuses of bs type have been developed for industrial applications. Fuse what is fuses a fuse is a device that protects a circuit from an over current condition only. This report consists of design, manufacturing process and other considerations to be taken care during manufacturing of hrc fuse links. Our vendors use quality materials for manufacturing these fuse.
A wide variety of hrc fuses options are available to you, such as iec. Bidder should be a manufacturerauthorised dealers of hrc fuses of ms. Eti fuse links solutions for semiconductor protection and for protection of special. I personally wouldnt trust a meter that didnt have hrc fuses. The characteristic of an hrc fuse is compared with that of an induction relay. Fuses should be selected such that discrimination is achieved with other protective devices in the system. A hrc form ii current limiting fuses hrc form ii ceramic body bussmann form no. Introduction recent claims by fuse manufacturers regarding the arcflash and simplifiedcoordination benefits of fuses do not tell the entire story regarding which. The calculation of overvaltage characteristics of hrc fuses. Pdf low voltage and high voltage highrupturingcapacity fuse links are used in. High rupture capacity fuses hrc fuses an hrc fuse is a type of fuse which can interrupt a high magnitude of fault current. The low and uncertain breaking capacity of semi closed fuses is overcome in hrc fuses. The quick acting characteristics of the fuses ensure that under the worst fault conditions, cut off occurs before.
Products low voltage products and systems fusegear fuse links. The disadvantage of all types of fuses, of course, is the fact that when they have. About 90% of these are fuses, 5% are fuse components. Abb high rupturing capacity hrc fuses are shortcircuit current limiting with low rated minimum breaking current imin, low switching over voltages um and dimensions to din and iec standards. Abb hrc high rupturing current fuses for high voltages.
Find here online price details of companies selling hrc fuse holder. Hrc fuse construction, working and characteristics. Pdf recycling potential for low voltage and high voltage high. Automotive fuses can be mounted in fuse blocks, inline fuse holders, or fuse clips. Hrc fuse manufacturers, hrc fuse india, hrc fuse supplier. Quoting from cooperbussmann fuse links for the protection of semiconductors the term semiconductor in electrical circuits can best be described as a switch, however unlike the domestic light switch, there are no moving parts.
Eti fuselinks solutions for semiconductor protection and for protection of special. Design and manufacturing of hrc fuse links engineers edge. You have to pay close attention in order to avoid picking a fuse that fails to do its job protecting sensitive electronic devices from damage. Because of its high current rupturing capacity, a special method for extinguishing arc is required in the design of hrc fuse. These listed companies have several years of experience in manufacturing of hrc fuse. This type of fuse is very reliable in performance and can be used when discrimination is required. Siemens industry catalog energy lowvoltage power distribution lowvoltage components sentron protection, switching, measuring and monitoring devices fuse systems 3na, 3nd lv hrc fuse systems lv hrc fuse links. There are several different types of automotive fuses and their usage is dependent upon the specific application, voltage, and current demands of the electrical circuit. The fuse carrier can be pulled out and the blown out fuse element which wire melts can be fillup by a new one and carrier is replaced in the fuse base. Hrc fuse or high rupturing capacity fuse in that type of fuse, the fuse wire or element can carry short circuit heavy current for a known time period. Whenever the current flows through the fuse is higher than the rated current and then the hrc fuse element is melted and vaporized.
Due to the special design, they provide high rupturing capacity combined with low temperature rise under normal load conditions. During the time when heavy current flows, if the fault is removed then it does not melta otherwise it melts. Design and manufacturing of hrc fuse links engineers. May 29, 2018 a fuse is a protection device used to protect a device or a circuit from severe damage caused due to overcurrent or short circuit faults. Dec 17, 2010 semiconductor fuses are faster and have lower i 2 t than normal hrc fuses. Concept and working of different types of fuses protection from short circuit damages a. I have been involved in testing multimeters to see if they met the iec61010 safety specifications. It has a fusible link directly heated and destroyed by the current passing through it. The more fields you select, the more you restrict the number of results. Get updated listings of high rupturing capacity fuse, hrc fuse manufacturers, suppliers and exporters. At higher temperatures some fuse links may have to be derated.
Type k cih, cik and cil 5 hrc form ii currentlimiting fuses h07c, k07c, l14c. Features offered by hrc fuse link lconforms to iec 602692, is 703 part 2 lrange. You can also choose from low voltage, high voltage, and automotive hrc fuses, as well as from fuse link hrc fuses, and whether hrc fuses is low. The feature article in this issue details the important aspects that need to be considered while selecting proper fuse links for the protection of various motors running in the plant. In this type, the conducting plates are bolted to the base of the fuse. By using advanced fuse technology, current ratings up to 400a have compact dimensions, but retain standard dimensional and performance requirements. During this time if the fault gets removed, then it does not blow off. The filling powder material is selected such that its chemical reaction with silver vapor forms very high resistance substance, which helps in quenching the arc in fuse. What exactly you should be watching for can now be found in edition 12014 of sibas fuse. What is fuses a fuse is a device that protects a circuit from an over current condition only. Hrc fuse manufacturers suppliers, dealers and distributors from delhi india, log on for hrc fuse manufacturers, hrc fuse india, hrc fuse supplier, hrc fuse dealers, hrc fuse, india, delhi hrc fuses, hrc fuse manufacturer india, hrc fuse suppliers, hrc fuse distributors, hrc fuse dealers, manufacturers of hrc fuse, manufacturers of hrc fuse in india. Jan 02, 2019 hrc fuse or high rupturing capacity fuse in that type of fuse, the fuse wire or element can carry short circuit heavy current for a known time period. This fusing system comply with international electrical commission iec 2692 and german standard vde 0660. Is 703 iec 60269 new standard for hrc fuses supercedes is 9224.
This userfriendly fuseology selection guide makes the fuse selection process quick and. Coordination of inverse time overcurrent relays with fuses. Hrc fuses are found in higher rated more expensive meters. Iec and british standard fuses 5 iec and british standard fuses contents description section page fuses csa type p and d fuses cdn, cds and pon 2 hrc form ii class c fuses cgl 3 hrci industrial ceramic body fuses hrcica cif21 4 hrcicb cif06 hrcimisc. Concept and working of different types of fuses protection. Low power loss not only saves energy but also ensures cool running and longer life of equipment. Coordination of inversetime overcurrent relays with fuses however, they are not used as overload protection because they can only trip reliably as from their minimum breaking current.
A wide variety of hrc fuse 32a options are available to you, such as safety standards, usage, and breaking capacity. Semiconductor fuses are faster and have lower i 2 t than normal hrc fuses. High rupturing capacity hrc fuses are totally enclosed fuses with definitely known, high breaking capacities which have been developed after intensive research by manufacturers and supply engineers. In power plants, hrc fuses are used extensively to protect buses, feeders and loads. Hrc fuse high rupturing capacity fuse and its types. This expertise has been applied to further develop these. This type of fuses normally used where some delay is acceptable for protecting the system.
Out of these different type of fuses hrc is also one of the type and it stands for high rupting capacity. Positive indication of the operation with red colour pop. July september 1995 prospect retrospect hrc fuse links. Selection guide fuse characteristics, terms and consideration. Dec 26, 2016 hrc fuse or high rupturing capacity fuse carry short ckt heavy current for a known time period, unlike the normal fuses. Hrc fuse is high rupturing capacity cartridge fusehrc fuse and its types consist, which carries the short circuit current to a limited period. The link type fuse is also known as high rupturing capacity hrc or bs type fuse. Hrc cartridge fuses hrc cartridge fuses farnell element14. Conform to en 602691 and iec 602691,3 supplied with. Get info of suppliers, manufacturers, exporters, traders of hrc fuse holder for buying in india. Conform to en 602691 and iec 602691,3 supplied with labelholders, insulated carrier class ii, padlockable possibility to signal indicator blown fuse. With currents between i n and i min hv hrc fuses cannot operate. In some point of view hrc fuse is better than circuit breaker.
This article gives an overview of what is a fuse, why do we require fuse. Nh fuse din type blade contact hrc fuse contains a fuse wire in it, which carries the short circuit current safely for a given time period. Buy hrc fuses available at the electrical counter online today free delivery when you spend. The basic purpose of the fuse is to protect and is composed of an alloy which has a low melting point. Kvssn rao, faculty member, national institute of industrial engineering. Fuses with slotted blade contacts, bolton links or female thread and special designs. Motor circuit protection using british standard fuse links recommendation are based on ambient temperatures of 35c. My view is that if they have skimpt with the fuse, what else have they missed. A wide variety of hrc fuse 32a options are available to you, such as.
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