Wide and comprehensive range of distribution boards to take care of each and every customer requirements. 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. Solutions with tailor made distribution boards to meet customer requirements other than standards ones. The eletragear main distribution boards are used to distribute and control the power supply in large buildings such as shopping malls, hospitals, universities, and hotels.
However, it is typical for a distribution substation to be supplied by two or more supply lines to increase reliability of the power supply in case one supply line is disconnected. Dorman smith procedures for routine testing for sub. Memshield 3 mcb distribution boards and enclosures deliver safe, reliable and high performance protection of electrical power distribution systems eaton uk you entered search. The compact distribution boards, which have been developed in close cooperation with technicians from the field, stand out by a complete solutions. The main distribution boards are generally installed after the main power source eg. Distribution substation is connected to a sub transmission system via at least one supply line, which is often called a primary feeder. Earthing connections at compartments, all switches and earth electrodes.
Apr 20, 2020 most distribution boards feature a single incoming supply cable feeding multi or singlephase power to the board. Ensure the availability of power supply to the submain distribution board. 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. It typically has a single or multiple incoming power sources and includes circuit breakers and protection devices. These components allow the whole board to be isolated for repairs in the case of a main breaker or fuse while. Electrical distribution and control systems are the heart of any facility, yet it is often the most underappreciated utility. The board may be fitted with hrc fuses, mcbs or mccbs. What is distribution substation and its main components.
Sub main distribution board smdb ul duct heater fire. Variable frequency drive panels vfd soft starter panels st final distribution boards fdb automatic power factor correction apfc metering panels. It usually houses all the contact breakers, earth leakage unit. Nov 26, 2016 singele phase db wiring diagram single phase meter wiring diagram energy meter and mcb board duration. Power distribution is a system, consisting of a main distribution board mdb, sub main distribution boards smdbs and final distribution boards, by which the. The last few years have seen a major change in the design and installation of commercial electrical distribution systems. Clearance of live parts from direct contact with or any likelihood of contact with tools, spurious bare conductors remaining in switches, circuit breakers and switch cubicles.
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. Guide to commercial installations distribution boards. 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. Complete range of distribution boards is rohs compliant. Home in english products energy distribution sub main distribution boards enclosed fuse combination switches and load break switches enclosed load break switches 201600a hz021 products energy distribution. Busbar and terminals are shrouded for additional safety protection. Sub mains distribution boards jointing technologies. Fully welded construction full width removable gland plate. Short form catalogue sub distribution panel boards. The whole nature of electrical sub and final distribution for commercial installations has. For a complete distribution board you will need to select from the individual sections in the catalogue incoming devices connection kit outgoing devices. Svtdb this range of distribution boards can take mcbs up to 125a or isolators up to 125a or mccbs up to 250a as incomer. Submain distribution boards arabian gulf switchgear ltd.
These are distribution boards which although similar construction, are larger than a final circuit distribution boards. 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. An mdb is a panel or enclosure that houses the fuses, circuit breakers and. With generous wiring space, full size earth and neutral bars and 2 ip ratings, these robust distribution boards make settingup a system easy work. Sub main distribution boards the mdb then feeds smdbs, which is installed generally at the point where a large distribution cable terminates and several smaller sub circuits start. These are the switchboards that although similar construction, are larger than a final distribution board circuit. Ensure that the earthing of the smdb has been completed. The design of the siemens final distribution board system draws on long years of experience in. Upon completion of equipment installation and prior to carrying out test runs, the contractor shall visually inspect the installation and satisfy that the equipment has been properly installed. Indoor surface mounting sub mains distribution boards which accept a single incoming 3 phase supply up to. Main submain distribution boards testing and commissioning procedure. For a singlephase supply where the main switch will be used. The figure below shows a schematic diagram of the power distribution. Busbar chambers, main and sub main switch connections i.
Each main distribution board provides a ready to use optimized. A submain electrical circuit can be defined as a circuit connected directly from the main lv switchboard to a submain distribution panel or a rising main for final connection of the minor currentusing equipment. Main distribution board is a panel from where electrical energy is taken out to distribute power to various consumer points. Main distribution board mdb sub main distribution board. Main distribution boards mdb bus couplers bc sub main distribution board smdb motor control centers mcc autotransformer starter panels.
Sheet steel or glass reinforced polyester the orion plus enclosures are suited for the harshest conditions and can be applied for wet and mechanical use. Should be used onlyfor light duty, application, residences comfort stations, etc. Sub main distribution board smdb teco group automation. Main distribution boards arabian gulf switchgear ltd. Sub main distribution board how is sub main distribution. Submain distribution boards the mdb then feeds smdbs, which is installed generally at the point where a large distribution cable terminates and several smaller sub circuits start. Cable sizing of submain electrical circuits working. Switch disconnector, mccb, mcb, rccb, rcd or direct cable connection. The main supply cable comes into the board and is then distributed to the breakers and from there to all the circuits, e. How to make distribution board simple way of explaining new.
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. Uninterruptible power supply ups industrial automation and control. Distribution boards introduction the whole nature of electrical sub and final distribution for commercial installations has changed in the last few years. An mdb is a panel or enclosure that houses the fuses, circuit breakers and ground leakage protection units. Main switch all insulated consumer units with 100a incomer. Complete range for wall, flush and hollowwall mounting. Download the power protection catalogue to view the full range complete with specification detail. Maxell sub main distribution board smdb climate control. Distribution board with provision for 8 pole mcb isolator rcd as incomer and provision for 2 pole mcb isolator rcd sub incomers with single phase outgoings. This model scheme is mostly employed for large and medium scale industries. More products in final distribution products mcb, rccb, rcbo, dbs. There is a demand for more rcd protection of final circuits, more metering and often more control to meet energy saving targets.
Distribution board a distribution board db is where the electrical supply is distributed from within the building. Sps phase selector distribution boards with provision of mounting phase selector switches. Compact distribution boards abb i sub distribution boards. Preventive maintenance checklist for electrical distribution. Ensure that the outgoing cables from the smdb are terminated in the respective distribution boards equipment. Main breaker or main lugs, only gfi breakers available. Memshield 3 mcb distribution boards and enclosures eaton uk. Main submain distribution boards testing and commissioning.
This method statement covers the routine testing of low voltage main power distribution boards sub main distribution boards motor control centers to be supplied in compliance with the specified tolerance and limitations outlined. The busbar design eliminates risk of the hot spots. Our comprehensive alpha distribution boards range provides all the components you. A sub main electrical circuit can be defined as a circuit connected directly from the main lv switchboard to a sub main distribution panel or a rising main for final connection of the minor currentusing equipment. Without a reliable source of electrical power, operations of any facility would not be possible. The live feed from this cable is generally first connected to a main breaker, fuse, or residual current detector rcd.
Mini center compact is a reliable range of distribution boards allowing maximum flexibility, offering wide choice of incomers. A preventive maintenance checklist for electrical distribution systems in commercial buildings. Power distribution in industries all you need to know. Consultant engineer contractor electrician panel builder it reseller original equipment manufacturer b2b distribution system integrator. 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. Wallmounted and floorstanding enclosures for electrical switchboards up to 630 a, integrating schneider electric offerings, and ensuring electrical, mechanical and communication functions complete consistency, in conformity with iec61439. Panel boards and load centers load centers light duty residential use, plugon breakers 15 wide, 312 deep, restricted wiring gutter space.
607 21 264 709 612 1231 308 835 508 322 66 1343 34 599 776 1008 173 76 1224 583 1007 557 1031 683 370 597 163 1169 1529 1377 559 723 289 1451 1017 514 1255 410 347 1144 1442 1019 407 900 613 1376 940 1462 1498