Miniature circuit breakers (MCBs) ensure electrical safety in homes, offices and other buildings as well as for industrial applications by protecting electrical installations against overloads and short circuits. Once a fault is detected, the miniature circuit breaker automatically switches off the electrical circuit to prevent damage to wires
For this method, switch off both the main switch (MCB) in the distribution board to disconnect the power supply. Now install a separate 63 Amp breaker for the generator (same as main MCB). Now, connect this new breaker via power inlet (3 Pin power socket or 32A, 230V male power socket) using 6 AWG (7/064″ or 16mm2)”.
Fact 1: You get two voltages from the 3 phase supply because of the neutral wire. In Australia, the most popular 3 phase supply voltages are 400V and 230V. You may have also seen 415V/240V, that’s a different way of saying the same thing. The 400V is the line voltage, and 230V is the phase voltage. This setup powerful because it allows you to As has been said previously, the normal supply in the uk is 230/400V Each of the three lines is 230V when measured between line and earth/neutral BUT measure between lines you will get 400V. This is part of your basic training, you probably ought to re-familiarise yourself with it if you are dealing with a site which has three phase. The reason was that it was for a repaired winch control on a ship that had been fitted with a stock contactor for 3-phase load and 400V working voltage, but with a 230V coil. To get the contactor For Single phase 230v any of your phase i.e. Gray Black Brown and neutral = Single phase 230v However to derive Single phase 400v = connecting gray and black without the neutral to the Load This is still single phase because one of the cable is acting as neutral i.e. a return path back to the substation I hope this helps. Subscribe to my channel: http://bit.ly/2rYtS79I'm no way an expert at electronics. I wanted to upload the video because I thought the video might be helpful vsoNphL.
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    • how to get 400v from 230v