Hi,
Need some advise on a new three phase wiring.. Thanks in advance..
It's a small commercial bakery. They have got a new 3 phase power supply of 200A. The bakery has few three phase machines. Of them are two heavy load ovens and rest are light. One oven takes 80 amps per phase and other 100 amps(these machines will be have to be connected through 25mm SWA cable due to load. Also we will have to install fused isolators near the machine say 100A each to operate) The client won't be running the two machines at one go so the supplied amps of 200A should be enough.
The task now in hand is to connect these machines to supply. I was thinking of few different ways but not sure if it's right
1) one way would be to get a switched MCCB 6 way panel board say with 250A incomer. Distribute the panel into three using MCB- 100A for machine 1, 100A for machine 2 and 100A for distribution board(which will have all other machines, lights etc connected through circuit breakers)
2) Second way would if I can get a heavy load distribution board say 18 way, 250A and connect the machines all in this board. But am confused if I will be able to connect the 25mm SWA to machines in this DB on a 125A MCB.
These are two ways I was thinking. Please let me know how to proceed and also if there is some other way, please advice.
Thank you again for your time
