Lawson fuses have introduced a comprehensive range of hispeed fuse links to british standards. Lawson type lst fuse links are for use in single phase street lighting cut outs or similar installations. Industrial fuselinks, compact dimension fuselinks, motor circuits, coordination, utility fuselinks, high speed fuselinks for the protection of semiconductor devices, fuselinks. Rewireable fuses this kind of fuse is most commonly used in the case of domestic wiring and small scale usage. 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. Concept and working of different types of fuses protection.
These fuselinks are manufactured by lawson fuses in the uk ensuring that the manufacturing. The 63a tis industrial type fuse by lawson fuses is a 63 amp fuse suitable for motor rated fuse links such as industrial installations. Maxi fuse inlin fuse holder with protective cap 2 maxifuse block 1 molded base fuse blocks 1. The lawson lst6 6 amp is a street lighting fuse link, which meets the uk electricity supply industry standards and b57654. Lawson fuses have introduced a comprehensive range of hispeed fuselinks to british standards. A comparison of circuit breakers and fuses for lowvoltage applications tony parsons, phd, p. The four fuses made simple families are grouped into three tiers of protection to meet the needs of any application. Lawson la5 detailsdescription lawson la5 5 amp bs61 consumer unit fuse consumer unit fuse links lawson type l fuselinks are for use in household consumer units or other singlephase installations with fault levels up to 16ka. Lbi100fcfcbk lawson fuses 100a rail mount fuse holder for. Lawson fuses has been an independent business for over seventy years. Lawson type md cylindrical style fuse links are rated at 400415v a. The basic purpose of the fuse is to protect and is composed of an alloy which has a low melting point.
However to cater for increasing fault levels all lawson house service cutout fuselinks have been asta tested to 80ka at 0. Lawson fuse holders and fuse banks are approved to major. The letter mseparates these two ratings,for example,32m50. 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. Lawson low voltage fuse links provide reliable circuit protection. Lawson flsr20idl time delay indicator fuse 20a 75600v lot of 10. A strip of this fuse is placed in series with the circuit. Lawson ctf200 lawson fuse 200a part of bs88 fuses, distributed by kempston controls. Bs88 centre bolted tag fuses 125amp to 315amp type 3mm fixing centres bussmann eaton bs88 range efs type 3mm. The company moved to purpose built premises at its present location in 1960 and has subsequently expanded on both the original and adjacent sites.
Semi enclosed or rewireable type, totally enclosed or cartridge type. The lawson md4 4 amp is a general purpose fuselink which meets the performance requirements of bs88. Lawson fuseholders and fusebanks are approved to major standards and designed to meet a wide range of applications. The supplier company is located in new delhi, delhi and is one of the leading sellers of listed products. Lawson fuses type mf bs61 fuses discount electrical. 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. 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. Hrc fuse high rupturing capacity fuse and its types. Lawson fuseholders and fusebanks are approved to major. From lawson fuses, this range of boltin british standard fuseholders are designed to accommodate bolted tag fuselinks to bs88. The working principle is that if the current is in excess then the strip would melt and break the circuit. Lawson fuses tis63 industrial fuse lawson fuses have been manufacturing fuses for domestic and industrial use for over 60 years. Lawson tis63 63a tis industrial fuse hrc 415v fuses.
Hv backup fuselinks according to vde 0670 t402 iec. 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 j electricity supply fuse links 415v bs88. In order to understand low voltage fuses better, and can further classified into. Mf40 lawson mf40 type mf bs61, iec602693 house service cutout fuse link 40 amps 415v ac l. Ff very quick acting, opens 10x rated current in less than 0. Introduction recent claims by fuse manufacturers regarding the arcflash and simplifiedcoordination benefits of fuses do not tell the entire story regarding which. Lawson fuses limited free company information from companies house including registered office address, filing history, accounts, annual. Lawson fuses incorporates a quality management system qms within the company. 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. 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. Founded in 1938 in newcastle, uk, lawson fuses specializes in the design, development and manufacture of british standard hrc low voltage fuses.
These fuses are designed for use in electronic circuits and fit many electronic products and appliances that require a. The company was originally founded in 1938 specialising in the design, development and manufacture of hrc low voltage fuses. Fuses made simple program brochure cooper industries. These fuselinks offer excellent protection and comply with 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 fuses india limited in new delhi, delhi, india. Find company information for lawson fuses ltd in, your essential resource for up to date building product information. A comparison of circuit breakers and fuses for lowvoltage. Lawson flsr20idl time delay indicator fuse 20a 75600v. The company is independently accredited to iso9001. Lawson tis63 63a tis industrial fuse hrc 415v tis63. Fuse comparison chart loadswitch 415v fuse combination. Low voltage, branch circuit rated fuses cooper bussmann.
This system has been independently assessed and approved by asta certification services as complying wit iso9001 and in addition to this lawson fuses is also certified to iso17025 authorised test laborotories. Lawson fuses limited overview free company information. Lawson fuses offer an extensive range of fuse holder and fuse link designs. The standardised bs 61 breaking capacity of these fuselinks is 33ka at 0. When you move up to the next level of protection, you can get enhanced performance compared to the fuses in the lower tier. 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. Part 6 and iec 602692 at rated voltages of 230240v a. 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. The 240 and 690 volt series comply with the performance and dimensional requirements of bs88. The lawson type j fuse link range includes all the current ratigs specified in bs88.
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