I have a MCB (Protek 132 32A) that has trip, and the switch has broken to reset the MCB.
I therefore need to replace the MCB unit. I've ordered the part, and think that the correct process will be to turn off the main RCD incomer, then unscrew the main plate, unscrew the MCB, take out and replace with the new one in reverse order.
Do you know if this is correct - or have I missed any crucial steps? Also am I 'allowed' under electricial regs to do this.