Wylex Plug-in MCB's

[paul66]

Hello,
I have a old Wylex CU with rewirable fuse that i want to upgrade to MCB'S. The CU is a 6 way, with 3@5amps,1@20amps and 2@30amps.
Should the MCB's be rated the same?
I was going to use 2@6amps MCB's for two of the 5 amps then for the other 5amps i was going to use a 10amp MCB as this circuit has a 6' fluorescent light on it.
One of the 30amps has a cooker in the circuit should this be uprated to 40amps? Should the other 30amp be uprated to 32 amp MCB?
I'm still not sure what the 20amp fuse is for, I'm hoping its not the cooker.
Thanks

 

[andy]

change like for like. only up the rating if absolutly necessary AND the existing wiring can take the load

 

[Adam_151]

20A is quite probably for an immersion heater