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  1. MgTricon

    20 & 30hp 460V wire sizing

    30hp at 40FLA so 125% gives 50Amps 20hp at 27FLA so 125% gives 34Amps AWG #3 THHN is 110 Amps AWG #8 THHN is 40 Amps (but according to the astric it can only be 30 Amps) AWG #6 THHN is 55 Amps So looking back over everything you are right the 10 would be to small, so it looks like #3 and #8...
  2. MgTricon

    20 & 30hp 460V wire sizing

    So then I will be at #6 for the 30hp and #10 for the 20hp. I am I correct on that.
  3. MgTricon

    20 & 30hp 460V wire sizing

    the motors are running two different conveyors, although the motors are side by side. They are controlled by two independent controls. They may or may not run at the same time it is according when they are needed.
  4. MgTricon

    20 & 30hp 460V wire sizing

    Thanks dpc, but the motors must run independently of each other.
  5. MgTricon

    20 & 30hp 460V wire sizing

    I need a little help with my wire and conduit sizing. I have a 30 & 20 hp 460V motors close to each other and wish to run the wires in the same conduit. Both motors are less than 30ft from the starter (20hp) and VFD (30hp). Would a #8 and #10 wire be the correct size for the 30hp and 20hp...

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