AC gearmotors achieve continuous torque to 81 Nm

Bison Gear & Engineering Corp. has increased by 7x the output torque capability of its Verdant Duty 3-phase ac offering with the introduction of its 650 series variable speed gearmotors. Driven by 1/4 or 1/2 hp, three phase 230 V TEFC ac electric motors, the specially constructed inverter-duty gearmotors are designed for long life variable frequency drive operation with continuous duty torque outputs from 16.7 to 81 Nm.

The 650 series is made up of five models with gear ratios from 27.6 to 214.5:1.
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