Ready Steady Eddy

[PAULRO]

Hi Eddy, i'm about to gather the electrics for my build and would like to use your electric schematics design ( or very close to it )if that's o.k with you. i have wired in the past but nothing on this scale. i have a a few queries you might help me with..........1. if the drives are rated for 80 V DC would i get away with an 80 or 70 V DC power supply?(i'm more than likely going to use a 60 V DC like your self. i'm just curious )
2. if i do use a bigger supply will i have to go with a bigger circuit breaker? ( what determines the size of circuit breaker required?)
i'm trying to get to grips with the safety relay because i never had the pleasure to wire one but i would like to have one after reading your blog a few times.