In hagers new boards, for example, the end plate has a removable section that leaves a smooth edge return that is free. Sub mains distribution boards jointing technologies. It usually houses all the contact breakers, earth leakage unit. This software can be obtained from your planner consultant against a nominal charge. Arb is one of southern africas largest electrical wholesalers, playing a pivotal role in providing the essential materials required for the electrification of large scale industrial and parastatal projects. Dual voltage machine physicalitys rotational magnetic fluxes in machines transmission. These devices may be cartridge fuses, hrc fuses, mcbs or even rewirable fuses. A distribution board is a panel or enclosure that houses the fuses, circuit breakers, and ground leakage protection units used to distribute electrical power to numerous individual circuits or consumer points. Tell a friend about us, add a link to this page, or visit the webmasters page for free fun content.
Distribution voltages are typically medium voltage, between 2. Distribution boards with generous wiring space, full size earth and neutral bars and 2 ip ratings, these robust distribution boards make settingup a system easy work. They combine the advantages of the flexible ipsystem with robust and reliable distribution cabinets, and they deliver efficient use of. Spaces must be covered to avoid accidental touch to live components. The distribution board, refers to an equipment which consists of bus bars, and possible switches, fuse links and automatic protective equipment, bypass equipment, for connecting, controlling and protecting. Guide to commercial installations distribution boards. Sea9bn8m acti 9 isobar b distribution board 250a 8. Compact distribution boards abb i sub distribution. The following are suitable for use as service entrance equipment.
Sdb is defined as sub distribution board electrical engineering very frequently. The boards are installed half way through the mains distribution system, generally at the point where a large distribution cable terminates, and several smaller subcircuits start. Power distribution is a system, consisting of a main distribution board mdb, sub main distribution boards smdbs and final distribution boards, by which the. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Sub main distribution board smdb ul duct heater fire.
In the case of a subdistribution board, be labeled as submain. They are manufactured from highquality materials and contain the latest safety features. Svtdb this range of distribution boards can take mcbs up to 125a or isolators up to 125a or mccbs up to 250a as incomer. An mdb is a panel or enclosure that houses the fuses, circuit breakers and ground leakage protection units where the electrical energy, which is used to. Wiring of the distribution board with rcd single phase.
Ensure that the earthing of the smdb has been completed. While we have already discussed the distribution board, types of distribution boards such as main distribution board mdb, sub distribution board sdb, final distribution board fdb, sub circuits and final sub circuits in the previous post, therefore, we will only discus the main electrical wiring accessories used in this basic single phase. Mdb then feeds smdbs, which is installed generally at the po. How to estimate the cost of installing an electrical. An mdb is a panel or enclosure that houses the fuses, circuit breakers and. C disclaimer this drawing is to be read in conjunction with all relevant. This also includes design, supply, laying and termination of pvc insulated armoured power and. Main distribution boards arabian gulf switchgear ltd. Our range of sub distribution boards offers the electrician all installation possibilities, with sturdy wall mounting cabinets for surface mounting, flush, or partly recessed applications. Distribution board is a safe system designed for house or building that included protective devices, isolator switches, circuit breaker and fuses to connect safely the cables and wires to the sub circuits and final sub circuits including their associated live phase neutral and earth conductors. The free tool in 20 languages for power distribution dimensioning is available for download from this site. Simaris design electrical planning software simaris. The panel board is at the heart of such a system, whether acting as the main incoming board or as part of the sub distribution. Distribution board synonyms, distribution board pronunciation, distribution board translation, english dictionary definition of distribution board.
These are distribution boards which although similar construction, are larger than a final circuit distribution boards. The compact distribution boards, which have been developed in close cooperation with technicians from the field, stand out by a complete solutions. Distribution boards abb cable distribution cabinets abb group. The board is normally fitted with an incomer this may be a fuseswitch, isolator or mccb without. Distribution substations michigan technological university. Square dbrand iline circuit breaker power distribution panelboards are for use on ac or dc systems. It is an element of an electricity supply system, which will separate an electrical power feed into secondary circuits, whilst providing a protective fuse for each circuit in a regular enclosure. Subdistributor is a person who acts as a distributor in theatrical releases of motion pictures. The choice of the system of power distribution is determined by the type of power that is available and by the nature of the load required for particular user i. Ac power distribution switch board march 2015 engineering department. Distribution board is also known as fuse board, panel board. Twinline n 55 has been tested according to iec 61439 and din en 61439 parts 1, 2 and 3. Standard dimensions, number of ways and ampere ratinge. Guide to commercial installations distribution boards and panelboards 9 another answer is to use a distribution board that has an end plate adapted for coupling to trunking.
Search for acronym meaning, ways to abbreviate, and lists of acronyms and abbreviations. Our comprehensive alpha distribution boards range provides all the components you need for fast. Wall mount enclosure will be either with custom busbar or prefabricated tinted busbar for easypact breakers same technology as final distribution boards. They handle the distribution and marketing of the picture in the region entrusted upon them. Whereas, t his sub distribution ar rang ement provides for a license tolicense tr ansfe r and for a distribution agreement for all transfers of wine to be on file with the department making this subdistribution arrangement to be in compliance with all montana lawsregulations and with the. Sub main distribution board smdb teco group automation. On the electrical side the contractor is asked to install eight 1,600 kilovolt ampere kva transformers, a light voltage panel and distribution, busbar trunking, distribution boards, sub main distribution boards, a motor control centre, lighting and power, eight 1,875 kva generators, as well as an uninterruptable power supply extralight. Submain distribution boards the mdb then feeds smdbs, which is installed generally at the point where a large distribution cable terminates and several smaller subcircuits start. Introduction the purpose of the following technical paper is to provide the reader some general information on how to properly estimate the installation of an electrical distribution center or edc as it is often referred in. Ensure the availability of power supply to the submain distribution board. The board typically has a single incoming power source and includes a main circuit breaker and. The main supply cable comes into the board and is then distributed to the breakers and from there to all the circuits, e.
Distribution board definition of distribution board by. Main function of distribution board is to protect the circuit and electrical equipment. Subdistributor law and legal definition uslegal, inc. Regulations and how they affect type b mcb distribution boards and their protective. Sub main distribution board how is sub main distribution board abbreviated. The input for a distribution substation is typically at least two transmission or subtransmission lines. Whereas, t his sub distribution ar rang ement provides for a license tolicense tr ansfe r and for a distribution agreement for all transfers of wine to be on file with the department making this sub distribution arrangement to be in compliance with all montana lawsregulations and with the. Distribution boards, together with modular abb system pro m compact protection devices and modular din rail components, can be used for many applications in electrical building installations. The distribution board is generally installed locally to where the electrical power is used point of utilization. Wall mount or free standing enclosures up to form4b for free standing enclosures using ri4power technology type tested according to iec 61439 and design verified. The panels, labeled culus compliance to ul and csa standards certified by ul are also underwriters laboratories ul listed under file e339. Sea9bn8m acti 9 isobar b distribution board 250a 8 way tp. Distribution board with provision for 8 pole mcb isolator rcd as incomer and provision for 2 pole mcb isolator rcd subincomers with single phase outgoings. Read about company and get contact details and address.
Power distribution is a system, consisting of a main distribution board mdb, sub main distribution boards smdbs and final distribution boards, by which the electrical energy is transmitted via branches to reach the exact end user. New product introduction british standard socket ready board. How is sub distribution board electrical engineering abbreviated. Technical datasheet page 1 low voltage distribution sub mains distribution boards overview and presentation indoor surface mounting sub mains distribution boards which accept a single incoming 3 phase supply up to. Wiring of the distribution board with rcd single phase home. Sdb stands for sub distribution board electrical engineering. A mdb is comprised of a free standing enclosure, a bus bar system, mccbs. Combined with our modular panel system, these cabinets allow for quick, simple, and safe planning, installation, and.
Volume 2commercial distribution ca0803eapril 2019 v2t31. These are the switchboards that although similar construction, are larger than a final distribution board circuit. The boards are installed half way through the mains distribution system, generally at the point where a large distribution cable terminates, and several smaller sub circuits start. Distribution boards are offered in copper or aluminum, three or fourwire. Smdb abbreviation stands for sub main distribution board. What is the abbreviation for sub main distribution board.
The last few years have seen a major change in the design and installation of commercial electrical distribution systems. Kabeldon distribution boards are specifically designed for outdoor installations and they come as preassembled systems, ready to install. The connection of miniature circuit breakers mcb is done using busbars the european tradesman distribution board greece 10. Distribution board a distribution board db is where the electrical supply is distributed from within the building. A distribution board also known as panelboard, breaker panel, or electric panel is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits, while providing a protective fuse or circuit breaker for each circuit in a common enclosure. Twinline n 55 abb i sub distribution boards abb enclosures. Distribution board definition of distribution board by the. Sea9apn6 acti9 isobar p a distribution board 6 way. Distribution boards article about distribution boards by. Our sub distribution boards offer the right low voltage lv solution for large buildings by dividing the electrical power feed into subsidiary circuits. A distribution board can also be known as a panel board or a breaker. Final distribution board fdb ul duct heater fire hose. A distribution board db is where the electrical supply is distributed from.
The whole nature of electrical sub and final distribution for commercial installations has. Downlighter junction box maintenance free junction box. Solutions with tailor made distribution boards to meet customer requirements other than standards ones. Nov, 20 the distribution board is an assemblage of parts including one or more fuses or circuit breakers, arranged for the distribution of electrical energy to final circuits or to other distribution boards. Distribution substations may also be the points of voltage regulation, although on long distribution circuits several kmmiles, voltage regulation equipment may also be installed along the line. We provide an extensive range of typetested distribution boards for lowvoltage lv electrical systems that are suitable for residential, commercial, and. The distribution board is an assemblage of parts including one or more fuses or circuit breakers, arranged for the distribution of electrical energy to final circuits or to other distribution boards. The main ac distribution board shall consist of the following items but not limited to this extent, within the scope of. How to make sub main distribution board simple way of explaining new 2017 duration. Short form catalogue sub distribution panel boards. Besides changing the voltage, the job of the distribution substation is to isolate faults in either the transmission or distribution systems.
The twinline n 55 system is a fully comprehensive product range, available in both protection classes and three cabinet depths depth of 225275350 mm and all with the high ip55 degree of protection. Sub main distribution board how is sub main distribution. However, memguard distribution boards allow the fitting of 2 or. Complete range for wall, flush and hollowwall mounting.
The electrical distribution center or edc was introduced to the construction industry as a time saver, and time is money. The boards are installed midway through the power distribution system, at the point in a large distribution cable ends, and several smaller starting sub circuits. They combine the advantages of the flexible ipsystem with robust and reliable distribution cabinets, and they deliver efficient use of space, quick installation and significant customer value. By placing the distribution board outside instead of inside the building, interior floor space can be reserved for valuable uses. Subdistributors are responsible for the distribution activities in the geographic territory assigned to them. Ensure that the outgoing cables from the smdb are terminated in the respective distribution boards equipment. Check for the location of installation is free of any water or construction debris. The board may be fitted with hrc fuses, mcbs or mccbs. It typically has a single or multiple incoming power sources and includes circuit breakers and protection devices. Distribution board article about distribution board by. Main distribution board is a panel from where electrical energy is taken out to distribute power to various consumer points. Simaris design 9 professional with additional functions which make network calculation even more efficient and easy.