Dehn india lightning protection and safety equipment suppliers. Since the foundation of the company by hans dehn in. To be effective, the surge protector must be placed. Dehn arresters are topquality products from germany which offer reliable surge protection. Product range lightning protection earthing 18 apart from protecting buildings facilities as well as persons from fire and mechanical destruction, lightning protection reduces the impact of electromagnetic lightning fields. The concept comes from bs en 62305 the full lightning protection standard and describes the way that spds are deployed within the installation. The 2 din rail mounted type 1 and 2 combined lightning and surge arrester for grid ac connections. When a dangerous overvoltage occurs, the surge protector operates and reduces voltage to the protected equipment by allowing current to flow to ground. Dehnventil modular dv m tt 255 951 310 prewired sparkgapbased type 1 and type 2 combined lightning current and surge arrester consisting of a base part and plugin protection. Dehn uk ltd have a full range of surge protection devices, external lightning earthing protection components and safety equipment available.
Dehnselect spd tool page 15 with the new dehnselect spd tool you can plan internal lightning protection and surge protection. We are looking forward to your feedback and we will do our best to consider it in the next edition. Nomenclature eu 85363030 gtin 40364108394 pu 1 pcs we reserve the right to introduce changes in performance, configuration and technology, dimensions, weights and materials in the course of technical progress. Zone in which the threat is due to direct lightning strikes and the undamped lightning electromagnetic field. Dehnguard modular with advanced circuit interruption safe dimensioning modular multipole surge arrester with new advanced circuit interruption aci technology in the protection module consisting of a switch spark gap combination. R3a limited is a canadian, independent, private owned company located in cobourg, ontario offering complete solutions of surge and lightning protection and domotics home automation. Buy dehn dg series 275 v ac maximum voltage rating 40ka maximum surge current type 2 arrester, din rail mounting dg m tns 275 fm. Spd is required for the outgoing circuits of the safety light. The last link in the lightning and surge protection system for power supply systems is the protection of terminal devices transition from lpz 2 to lpz 3 and higher. This includes cookies which are necessary for the operation of the website and to manage our corporate commercial objectives, as well as other cookies which are used solely for anonymous statistical purposes, for more comfortable website settings, or for the display of personalised content. Lightning damage is not covered under the motorola warranty.
For more than 100 years, dehn products have been reliably providing protection against lightning strikes and surges. Dehn ac surge arrester type 1 1 phase dehn surge protection. Allows compact lightning equipotential bonding including protection of terminal. With our surge technology employees having represented dehn for over 30 years, we have a wealth of experience and knowledge of dehn products, and the surge and lightning protection industry in general.
A simple guide to installing surge protection devices spds to bs7671 amendment 1 when do i need to fit a surge device. Continuing with the german tradition where quality and performance are the focus, dehn sea pte. It is common knowledge today that lightning protection is more than a cage of airtermination sys. Internal lightning protection surge protection a combined arrester, which is directly installed in the power supply system, is one of the most important protection measures figure 5. If lightning strikes the airtermination rod or the metal mast. Universal surge arrester consisting of a base part and a plugin protection module. Dehn lightning and surge protection for railway systems. The blue and red balls identify lpl iii and lpl ii protection points, note the red indication on the cathedral for the extra protection required to achieve the increased level of protection associated with lplii. Dehn india lightning protection and safety equipment. We use cookies so that we can offer you the best possible website experience. A complete external lightning protection system consists of. Applicationoptimised and prewired combined lightning current and surge arrester for tnc systems with a nominal voltage of 230 400.
Dehn modular surge arrester type 2 1 phase surge protection. This requires that the lightning strike be safely intercepted by the lightning protection system of the rotor blades so that it can be discharged to the earthtermination system via the. Dehnventil m devices even top maximum requirements, e. The yellowline surge protective devices protect the data flow. Surge protective devices for installation into switchgear installations, meter mounting boards, distribution cabinets, cable ducts, socket outlets and terminal equipment. For more than 100 years, dehn products have been reliably providing protection against lightning. Vm, is a groundbreaking innovation in the field of surge protection. Dehn company focuses on the reliable protection of buildings, electrical and electronic systems and human life. Benjamin franklin, inventor of the lightning rod, recognised lightning as an electrical phenomenon back in 1752. A surge arrester is an electrical component that protects switching equipment from overvoltage transients.
Also in the field of earthing and external lightning protection, dehn products provide sophisticated solutions. Dehn lightning and surge protection, safety equipment skip to main content. Surge protector basics a surge protector is an overvoltage voltage pressure relief valve. It is common knowledge today that lightning protection is more than a cage of airtermination. Further details of our comprehensive product range can be found in our main catalogues or on our website. Whatever you need for the practical understanding of lightning and surge protec. Degree of protection ip 20 capacity 2 modules, din 43880 approvals kema, vde, ul weight 229 g customs tariff number comb. Dehn surge protection selection guide to meet the requirements of 18th edition bs7671. Surge protection has become an area of increasing significance. Hviconductor sets a new standard in external lightning protection. Dehn middle east offers the full range of components in copper based material and based on stainless steel and galvanized steel. It has to be noted, that protection concepts for railway systems should always be.
Testing of lightning protection systems according to din en 623053 vde 01853053 in explosion hazardous areas 2 7 dehn form no. This delays the return on investment and postpones the breakevenpoint. Function principle surge is conducted to the device surge on a wire unprotected 17. Dehn lightning and surge protection dehn singapore. Protection for the sensitive electronic circuitry of the charging infrastructure, dehn protective equipment.
Overvoltage surge protection technical note, europe and apac revision history version 2. Class 2 surge arrester for 3phase to neutral 40ka 820 and neutral to earth 12ka 10350 with pluggable modules. The lightning protection zone lpz concept was featured in the 17th edition but now has far more detail in the 18th. We offer a broad range of systems, products, services in the fields of surge protection, lightning protection and earthing as well as safety equipment. All combined lightning current and surge arresters consist of a base. Function principle surge is discharged spd by the spd spd surge protective device surge on a wire protected 18 basics of surge protection. Make planning easier with the various calculation programmes in dehnsupport toolbox a software for electrical planning engineers, installers of lightning protection systems and electricians. Only an entire system can provide effective protection for all areas of power, signals and data and we offer an ideal form of surge protection for all these applications fields. The systemspecific parameters define the existing risk of a structure.
Power supply systems class ii surge arresters dehnguard t red. Spds are now required for electrical machinery under nfpa 792018. Reliable protection of buildings, electrical and electronic systems and human life. The necessity of such an arrester is shown based on the following two scenarios. Surge protection concept for led street lights contents basic design of street lights in practice and causes of damage impulse current and impulse voltage tests at led mast lights protection concepts verification of the protective circuits in the test laboratory translated reprint from netzpraxis, issue 1114. Now the third revised edition of the english lightning protection guide is available. Lightning protection earthing product portfolio for protecting buildings from mechanical destruction caused by lightning effects and the associated risk of fire. Special financing available select paypal credit at checkout to have the option to pay over time. The lightning protection guide from dehn has been the trademark for practiceoriented technical literature in the fields of lightning and surge protection for buildings, installations and systems. Fulfils the minimum requirements on the lightning current discharge capacity according to iec 60364553.
Lightning protection zones in buildings equipped with safety systems outer zones. Lightning and surge protection for electromobility charging stations charging stations are required where electric vehicles are parked for an extended period of time. When correctly installed, the recommendations on this page and in this technical note give the user the best protection from the harmful effects of lightning. The variants include both surge arresters and combined lightning surge arresters and available in both with and without signal contact. Jul 10, 2019 dehn surge suppressor vm on alibaba group. Surge protection lightning protection equipotential bonding safety equipment arc fault protection. On the one hand, electrical and electronic components continue to get. This combined dehn ac surge arrester type 1 1 phase is for single phase systems. Specialist for surge protection, lightning protection, home and construction safety products and all safety equipment suppliers in india. Fm 1 module height for busbars dehnguard and dehnguard t singlepole surge arresters surge arresters for installation within the lightning protection zones concept at the boundaries from lightning protection zone 0. Dehn arresters ensure the longevity and availability of led technology. Combines surge protection and backup fuse in a single component. The dehn lightning protection guide is available as printed book, as pdf fi le, on cd or at.
The dehn earthing tool calculates the earth electrode length as per iec 623053 for foundation earth electrodes, ring earth electrodes, earth rods and the soil resistivity. Function principle surge is discharged spd by the spd spd surge protective device surge on a wire protected 18 basics of surge protection julian saele september 2015 u p. With the new dehnselect spd tool you can plan internal lightning protection and surge protection measures, making it considerably easier to implement a. Gas industry with a comprehensive lightning and surge protection concept you can optimise the continuous operation of gas pipelines, natural gas compressor stations and gas pressure. Dehn offers a wide spectrum for practiceorientated education and training in the fields of surge protection, lightning protection earthing and safety equipment.
The components are from dehn and comes in several versions. A surge protection concept with dehn arresters avoids maintenance as a result of surge damage. Directly coordinated with dehnguard surge protective devices without additional cable lengths. Surge protection concept for led street lights dehn. Dg m tns 275 fm dehn dg series 275 v ac maximum voltage. Dehnpartners sell or install our wide variety of products in lightning protection, surge protection and safety equipment. Aug 28, 2019 vm, is a groundbreaking innovation in the field of surge protection. According to the standard, if the installation has anything to do with human safety i. In figures 1 to 4 the spds, which are normally required to protect the interfaces, are represented with a solid line. Aug 14, 2019 vm, is a groundbreaking innovation in the field of surge protection. Further patents followed in the course of the companys history. The dehn spd configurator is the fastest and easiest way to create a custom built surge protection device spd in a rugged, weatherproof enclosure.
Dehn surge protection for the protection of low voltage equipment against transient voltage and current surges mainly from atmospheric origin lightning and transient produced by switching characteristics such as in switching of distribution networks, transformers, motors, etc. For industrial applications with a rated voltage of 400690 v. If the risk values determined are higher than the tolerable risks listed in the standard, measures external lightning protection, surge protection, fire alarm systems, etc. Allows compact lightning equipotential bonding including protection of terminal equipment. Selection, installation and assembly of surge protective. Lightning protection guide the dehn lightning protection guide has been an indispensable aid for technical experts and is the benchmark for practiceorientated technical literature in the field of lightning and surge protection of buildings and structures.
In seminars we give instructions and training for the practical application of components and devices in special structures and systems. Lightning and surge protection for photovoltaic pv systems. Design guidelines for lightning protection of pv systems eng460 engineering thesis final report mick constable august 2012 to november 20 a report submitted to the school of engineering and energy, murdoch university in partial fulfilment of the. Dehn offers a complete product range which protects from damage due to lightning and overvoltages. Surge protection for churches wp024 surge protection for petrol stations wp021 lightning and surge protection for singlefamily houses wp036 retrofitting sewage plants with lightning and surge protection measures wp004 surge protection for agricultural buildings wp006 led outdoor lighting wpx008 surge protection for light strips wp025. Product information brochures, selection guides and technical articles on surge protection power supply and data systems, lightning protection, earthing, safety equipment and the dehnsupport toolbox software. The above figure exemplarily shows the lightning protection zones of a fire alarm system according to the type of lightning threat. Surge protection for it systems our yellowline surge protection portfolio comprises surge protective devices for information technology devices and systems of buildings, process plants and telecommunication systems. Aug 25, 2019 vm, is a groundbreaking innovation in the field of surge protection. Enclosure in ip66 degree of protection with universal support for pole wall mounting. A lightning and surge protection concept by dehn effectively protects your investment in the pv system. Mar 23, 2017 redline surge protection portfolio for protecting systems up to 1,000 v a. Design guidelines for lightning protection of pv systems.
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