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Sparksy is safer " do not connect to 415 3 phase!
Although given the data on both plates (assuming correct) yes I would have tried it on 415, at the risk of losing the motor.
The US 208V 3 phase...

Get this book for around $20-$25 AU, Its excellent, explains 4 methods of getting 3 phase from single phase.
Three-phase Conversion by Graham R. Astbury
But you'll need a hefty 240 -415V step up...

My guess is that is a US voltage motor, but it is specially wound for US single phase 115V or US 3 phase 208V.
I'd say the 4 pole windings are specifically manufactured so that it can be ...