Discuss Discrimination charts for square D/Schneider in the UK Electrical Forum area at ElectriciansForums.net

Ian1981

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Has anyone got any decent discrimination charts for square D/ Schneider mcbs?
What I want to know is at what point might I achieve discrimination of some description between a 63 amp type C upstream device and a 32 amp type B downstream device.
Zs for the sockets on the type B was 0.53 ohms
giving a fault current of around 433 amps.
Cheers

To add this is part of a EICR and not something I have installed.
 
Last edited:
Have you tried looking on the site? If they are pretty recent the data sheets should be available with the tripping curves on.
 

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