What does MDB stand for?
Main Distribution Board (MDB) For Residential Buildings (ﺔﻴﻨﻜﺴﻟﺍ ﻲﻧﺎﺒﻤﻠﻟ) Single Line Power Diagram 1. MDB for Single Floor Buildings (Single Phase) MDB inside view 1. MDB for Single Floor Buildings MDB outside view 1. MDB for Single Floor Buildings Kilowatt hour meters (KWHM) KWHM Single Line Diagram Kilowatt hour meters (KWHM)
What is the size of a SMDB switchboard?
The smdb and db switchboards shall be mounted on 50mm x 50mm C-channel. Wherever insulating panels are required to mount special equipment, they shall be of high quality black bakelite, polished on the front. All edges must be cut straight and square and shall be chamfered on the front edge with a 3mm chamfer.
What are the requirements for SMDB and MDB maintenance?
Full access shall be provided to service and maintain all smdb and mdb equipment inside each cubicle by means of a suitable hinged door that shall open a minimum of 120 degrees. All hinged doors shall have an earth braid connected to the cubicle.
What type of material is used in SMDB switchboard?
Switchboard smdb frames shall be fabrication of 2.0mm thick electro-galvanised steel. All joints should be neatly formed and finished flush with the adjacent surfaces by grinding and/or machining.
What is MDB and SDB?
MDB Main Distribution Board. SDB Sub Distribution Board. TDB Time to breakdown. Upvote (3) Answer added by Rabby Ahmed.
What is the meaning of MDB in electrical?
Main distribution board (MDB) 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 distribute electrical power to numerous individual circuits or consumer points, is taken in from the transformer or an upstream panel.
What is DB and SDB in electrical?
Capacitor Bank. Main Distribution Boards (MDB) Sub Distribution Boards (DB, SDB)
What is DB electrical?
In electronics and communications, the decibel (abbreviated as dB, and also as db and DB) is a logarithmic expression of the ratio between two signal power, voltage, or current levels. In acoustics, the decibel is used as an absolute indicator of sound power per unit area.
What is MCC and PCC panel?
MCC is motor control centre. PCC is power control centre. In simple terms or generally a panel which supplies or received H.T power can be termed as PCC whereas panels which supplies power to L.T motors I.e those running on less than 415 volts are termed as MCC. They differ in protection relays and insulation category ...
What is MCCB full form?
MCB is the abbreviation for Miniature circuit breakers, whereas MCCB is the abbreviation for Molded Case Circuit Breaker.
What is a 3 phase distribution board?
3 phase distribution boards are panels that house the circuit breakers, ground leakage protection units and fuses that are used to distribute power to individual consumer points or circuits within a building.
What is 4 way distribution board?
Way TPN DB – In this, each phase has 4/6/8/.. MCBs that is why 4 Way TPN DB has 12 outgoing MCBs while 6 Way TPN has 18 MCBs & so on. Phase– Live wire (from where current flows), Neutral – where current returns. Earth/Ground – Point which is connected with earthling.
What is main switch?
Main switches are elementary switching and protective devices for safe machine control. They can be used, for example, as repair switches to quickly switch off large machines and systems so that maintenance work can be carried out safely.
How many types of panel boards are there?
There are 4 types of panels available: Lighting electrical panels, power electrical panels, switchboards, low voltage switchgear.
What is main distribution panel?
Main Distribution panels (also known as load centers, switch boards, and motor contol centers) are cabinets that house and separate subsidiary/branch circuits in addition to providing each circuit with protective fuses or circuit breakers.