MHE9-827-A-69-245 Kollmorgen
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The Kollmorgen MHE9-827-A-69-245 is part of the M Goldline Servo Motors series and has a continuous power rating of 11.4 kW at 480 volts. The servo motor features a continuous stall torque of 93.5 Newton-meters, a peak stall torque of 162.8 Newton-meters, and a maximum speed of 1500 RPM. It uses an encoder feedback type and weighs 86.2 kilograms.
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Product Description:
The MHE9-827-A-69-245 is a brushless AC servo motor engineered by Kollmorgen for the M Goldline Servo Motors series. It functions as the rotary drive element in automated machinery, delivering commanded torque and speed to conveyors, presses, and gantry axes. The motor pairs with digital Kollmorgen amplifiers, while an integrated encoder reports rotor position so the controller can regulate motion in real time. With its tight coupling between electrical input and mechanical output, the model supports precise indexing, contouring, and force control tasks in production environments.
The motor provides a continuous mechanical output of 11.4 kW when operated on a 480 VAC inverter. At standstill, it sustains 93.5 N·m of torque, allowing equipment to hold static loads without overheating. Drive electronics must supply a DC link of 565/680 VDC, derived from the three-phase 400/480 VAC mains, to reach rated flux levels. Shaft velocity can reach 1500 rpm, so gear reduction may be unnecessary in low-speed processes. For short transients, the electromagnetic stack produces a peak stall torque of 162.8 N·m, providing additional torque for acceleration or impact events. Encoder feedback closes the servo loop and keeps position error within the controller’s tolerance.
A rotor inertia of 0.0888 kg·m² offers a compromise between fast response and low overshoot when the driven load has a similar inertia. The motor has a mass of 86.2 kg, which must be considered when selecting mounting brackets and lifting equipment. Thermal protection is provided by a winding thermostat with normally closed contacts. When the temperature threshold is reached, the switch opens to prompt an orderly drive shutdown, and its contacts are rated for 4 A at 120 VAC. The thermostat allows the control system to interrupt operation before excessive winding temperature damages the insulation or other internal components. This arrangement provides direct thermal monitoring at the windings, where heat generated during sustained torque production can be detected promptly.
