Hv backup fuselinks according to vde 0670 t402 iec. Type j fuses are installed in low voltage distribution boards, feeder pillars, link boxes, pole mounted cutouts and heavy duty service boards with a rated voltage of 415v a. However to cater for increasing fault levels all lawson house service cutout fuselinks have been asta tested to 80ka at 0. Lawson tis63 63a tis industrial fuse hrc 415v tis63. Lawson tis63 63a tis industrial fuse hrc 415v fuses. Lawson type j electricity supply fuse links 415v bs88. Lawson fuses offer an extensive range of fuseholder and fuselink designs. The lawson lst6 6 amp is a street lighting fuse link, which meets the uk electricity supply industry standards and b57654. The lawson md4 4 amp is a general purpose fuselink which meets the performance requirements of bs88. Lawson fuses have been in business manufacturing fuses for use in the home and for industrial use in street lighting, distribution boards, switch fuses and industrial machinery for over 60 years. From lawson fuses, this range of boltin british standard fuseholders are designed to accommodate bolted tag fuselinks to bs88. Semi enclosed or rewireable type, totally enclosed or cartridge type. When you move up to the next level of protection, you can get enhanced performance compared to the fuses in the lower tier. Lawson fuseholders and fusebanks are approved to major standards and designed to meet a wide range of applications.
Lawson fuse holders and fuse banks are approved to major. A strip of this fuse is placed in series with the circuit. The standardised bs 61 breaking capacity of these fuselinks is 33ka at 0. The cooper bussmann mdl series 4 amp silver electronic fuses 2 pack have nickelplatedbrass end caps with a glass tube and measure 14 in. Lawson type ss fuselinks are for use in industrial applications and have been approved by leading authorities including. Maxi fuse inlin fuse holder with protective cap 2 maxifuse block 1 molded base fuse blocks 1. Lawson type me and mf fuse links are for use in single or three phase house service cutouts or similar installations.
Lawson fuses tis63 industrial fuse lawson fuses have been manufacturing fuses for domestic and industrial use for over 60 years. Ff very quick acting, opens 10x rated current in less than 0. These fuselinks are manufactured by lawson fuses in the uk ensuring that the manufacturing. Lawson fuses offer an extensive range of fuse holder and fuse link designs. The lawson type j fuse link range includes all the current ratigs specified in bs88.
Surfacemount fuses pulse tolerant chip fuses rohs compliant, elv compliant hf halogen free 111 10 i 2 t a 2 s 10,000 100 10 1 0. Lawson flsr20idl time delay indicator fuse 20a 75600v lot of 10. Mf40 lawson mf40 type mf bs61, iec602693 house service cutout fuse link 40 amps 415v ac l. The working principle is that if the current is in excess then the strip would melt and break the circuit. The fuses are mainly classified into two types, depends on the input supply voltages they are the ac fuses and the dc fuses.
Lawson type lst fuse links are for use in single phase street lighting cut outs or similar installations. Introduction recent claims by fuse manufacturers regarding the arcflash and simplifiedcoordination benefits of fuses do not tell the entire story regarding which. The basic purpose of the fuse is to protect and is composed of an alloy which has a low melting point. Lawson type md cylindrical style fuse links are rated at 400415v a. The 63a tis industrial type fuse by lawson fuses is a 63 amp fuse suitable for motor rated fuse links such as industrial installations. The letter mseparates these two ratings,for example,32m50. This represents a fuse link with a maximum co ntinuous curre nt rating of 32 am p s,and an.
Lawson fuses have introduced a comprehensive range of hispeed fuse links to british standards. The four fuses made simple families are grouped into three tiers of protection to meet the needs of any application. A comparison of circuit breakers and fuses for lowvoltage. For example, 2 fusetron fuses can replace your general purpose fuses in branch. Founded in 1938 in newcastle, uk, lawson fuses specializes in the design, development and manufacture of british standard hrc low voltage fuses. Fuses made simple program brochure cooper industries. See who you know at lawson fuses limited, leverage your professional network, and get hired. Rewireable fuses this kind of fuse is most commonly used in the case of domestic wiring and small scale usage. Types of fuses the fuse is the current interrupting devices which break or open the circuit by fusing the element and thus remove the faulty device from the main supply circuit. Lawson fuses india limited in new delhi, delhi, india. Lawson fuses has been an independent business for over seventy years. Lawson fuses type mf bs61 fuses discount electrical. The company was originally founded in 1938 specialising in the design, development and manufacture of hrc low voltage fuses.
Lawson fuses limited free company information from companies house including registered office address, filing history, accounts, annual. Find company information for lawson fuses ltd in, your essential resource for up to date building product information. Lawson fuses have introduced a comprehensive range of hispeed fuselinks to british standards. The 240 and 690 volt series comply with the performance and dimensional requirements of bs88. Lawson low voltage fuse links provide reliable circuit protection. Lawson flsr20idl time delay indicator fuse 20a 75600v. Lawson fuses limited overview free company information. The 240 and 690 volt series co m p l y with the pe rfo rm a n ce and dimensional re q u i re m e nts of bs88. These fuselinks offer excellent protection and comply with bs88. A comparison of circuit breakers and fuses for lowvoltage applications tony parsons, phd, p. Industrial fuselinks, compact dimension fuselinks, motor circuits, coordination, utility fuselinks, high speed fuselinks for the protection of semiconductor devices, fuselinks.
L awson fuses have int rod u ced a co m p re h e n s i ve range of hispe e d fuselinks to british st a n d a rd s. Lawson fuses india ltd is a wholly owned subsidiary of lawson fuses ltd,a long established uk company with a worldwide reputation for product quality and service excellence. In order to understand low voltage fuses better, and can further classified into. Lawson fuseholders and fusebanks are approved to major. These fuses are designed for use in electronic circuits and fit many electronic products and appliances that require a. Bs88 centre bolted tag fuses 125amp to 315amp type 3mm fixing centres bussmann eaton bs88 range efs type 3mm. Low voltage, branch circuit rated fuses cooper bussmann. Scattergood and johnson are specialist distributors to industry in the uk supplying equipment in to the following areas automation,safety systems,fluidpneumatic control,switchgear distributors,sensing and switching,motor control automation and cable management. Hrc fuse high rupturing capacity fuse and its types. Concept and working of different types of fuses protection.
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