Gearmotors are totally enclosed, permanent magnet DC, performance matched for continuous duty service. SCR rated gearmotors operate over a 60:1 speed range and have constant torque throughout the range when powered by a full-wave unfiltered SCR-type adjustable speed control having a typical form factor of 1.3 to 1.4.
Low voltage gearmotors are designed for battery power or can be used with a low voltage controller with form factor up to 1.05
Gearbox has rugged aluminum die cast housing, for maximum gear and bearing support and precision machined gearing, hardened for maximum load capability. All gearing designed and rated to AGMA Class 9 standards and to withstand momentary shock overload of 200%. Features oversized output bearings for greater overhung load capacity and longer life. High-carbon alloy output shaft provides maximum strength and rigidity. All needle bearing journals are precision-ground after heat treating, to provide maximum finish and fit. Heavy-duty industrial oil seals help keep lubricant in and dirt out. Gears and bearings are splash lubricated with permanent, heavy duty gear oil. Conduit box not included with motor.
These gearmotors are designed for mounting at any angle, but shaft up with motor below should be avoided to prevent leakage of lubricant into the motor should the motor's shaft seal fail. Overhung load capacities shown are at center of outputshaft. The motor's stall torque exceeds recommended full load torques. A current limiting device such as an SCR control should be used to prevent damage.
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