🔄 Motor Selection Guide

Size a motor from load torque and speed

🎛 Load & Drive

Application type

Load torque / N·m

N·m

Load speed / rpm

rpm

Gearbox ratio (1 = direct)

Drive efficiency / %

Service factor

💡 Enter load torque and speed; results update automatically.

✅ Recommendation

Required shaft power

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Selected motor power

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Recommended poles

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Synchronous speed

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Rated speed

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Motor rated torque

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Torque margin

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🧮 Power = T × n / 9550 / η × SF, rounded up to the standard power series.