H-344-H-0018 Kollmorgen
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The Kollmorgen H-344-H-0018 is part of the Silverline Brushless Servo Drives series and is rated for a speed of 4050 RPM with a rated torque of 1.65 Newton-meters. This servo drive offers a continuous line current of 11.7 Amps DC, a peak line current of 32.6 Amps DC, and delivers continuous power of 701 Watts. The rotor inertia of this model is 0.000092 kg·m², and its peak torque is 5.26 Newton-meters.
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Product Description:
The H-344-H-0018 belongs to the Silverline Brushless Servo Drives series manufactured by Kollmorgen. It is a brushless servo drive intended to supply controlled current to matched servo motors so that automated machinery can position loads, follow velocity commands, and maintain torque with high accuracy. In production cells, packaging lines, or pick-and-place stations, it provides the regulated power interface between a motion controller and the electromechanical load.
The drive can continuously source 11.7 A DC while maintaining a thermal steady state, and that current corresponds to a continuous shaft power capability of 701 W. Its input section tolerates up to 250 V RMS of line voltage, allowing it to operate directly from common industrial mains without step-down transformers. For short accelerations, the current loop delivers 32.6 A DC, giving the connected motor additional capacity for rapid load changes. The control algorithm is tuned around a rated mechanical speed of 4050 rpm and a rated torque of 1.65 N·m, which together establish the continuous operating point. Electrical characteristics include a back EMF of 21.3 Vpk/krpm, a DC resistance of 0.360 Ω, and an inductance of 2.04 mH. These values affect voltage utilization and current ripple under pulse-width modulation switching.
During transient operation, the system can produce a peak torque of 5.26 N·m to overcome inertial or frictional spikes before returning to the rated operating range. The drive is designed for a rotor inertia of 0.000092 kg·m², allowing responsive speed changes without excessive overshoot. A stall torque rating of 2.10 N·m indicates the maximum steady load the motor can hold without movement. The torque constant of 0.179 N·m/A DC links commanded current to output torque for control-loop tuning. Thermal behavior is characterized by a thermal resistance of 1.6 °C/W and a thermal time constant of 16.2 min, indicating how quickly the internal temperature rises during sustained duty cycles.
