There are many electrical engineering students and many other people who work in electrical wiring have some confusion about the selection of rating of circuit breakers and also the connection of rccb and mcb. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v 230 v h1 h3 h2 h4 optional connection electrostatically shielded transformer f u 6 off on m l1 l2 1 2 stop ol m start 3 start start fiber optic.
Building 3 Phase Wiring Diagram Harness Down3 Zografisch Nl
Mcb wiring diagram pdf. X 16mm2 cupvcpvc cable lighting 1mm2. Use no2 pozidrive bit. This article for those students who are interested to know about the house wiring. Today we are going to know proper rccb connection diagram with mcbif you do not know the connection of rccb then this article will be helpful for you. Wiring diagram of single phase distribution board with rcd in nec us iec uk eu electrical wiring color codes double pole mcb dp the isolator or main switch this is the main operating switch which is used to control the electric power supply in the buildings. Basics 11 mov schematic with block included basics 12 12 208 vac panel diagram.
The main function of an mcb is to switch the circuit ie to open the circuit which has been connected to it automatically when the current passing through it mcb exceeds the value for which it is set. An mcb or miniature circuit breaker is an electromagnetic device that embodies complete enclosure in a molded insulating material. Basics 10 480 v pump schematic. Do not connect using power driven screwdrivers cut dress and connect circuit conductors to appropriate mcb rcbos neutral and earth terminals. In the above distribution diagram i shown the wiring installation of double pole mcb circuit breaker rcd circuit breaker single pole mcb breakers voltmeter light indicator. Figs 72 and 73 ensure that each earth and neutral outgoing circuit is correctly made to its corresponding numbered terminal figs 72 and 73 0 off.
Basics 14 aov schematic with block included basics 15 wiring or connection. Basics 13 valve limit switch legend. Basics 9 416 kv pump schematic. What is miniature circuit breaker mcb. Basics 8 aov elementary block diagram. In this article i will help you to understand how to select the rating of mcb how to connect all loads of a house properly.
Mcb 10a sp mcb 16a sp mcb 20a sp mcb 20a sp mcb wiring diagram of a 230v single phase 63a distribution board consumer unit with rcd for lighting ac unit and 13a radial circuits power from the utility kwhr meter 2 nos. Basics 7 416 kv 3 line diagram. Today we are going to discuss the house wiring. The installation of rcd is too simple in single phase wiring main board. In this article the wiring diagram for a house which i have given is not proper as an electrical drawing. Mcb wiring diagram wiring diagram is a simplified within acceptable limits pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the faculty and signal connections in the midst of the devices.