Wiring a nichrome coil industrial oven

Job ID: 32939835

Budget: $30 – $250 USD

I'm building an industrial oven and want to use single phase to 240 to heat projects up to 550F.

I've got five 138" coiled nichrome strands of 15 AWG with inside dia 3/16"

I'd like to confirm the various details of amps, breakers and switches with a seasoned engineer acquainted with such projects.