H-234-H-0804 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen H-234-H-0804 is part of the Silverline Brushless Servo Drives series and offers a rated speed of 6000 RPM with a rated torque of 0.558 N-m. It features a continuous line current of 12.6 A DC, peak line current of 30.5 A DC, and has an encoder resolution of 1000 LPR. The servo drive provides a continuous stall torque of 118 oz-in and operates with a maximum line voltage of 250 Vrms.
Internal Product Review
The H-234-H-0804 is a Kollmorgen brushless servo motor well suited for dynamic motion control, with a rated speed of 6000 RPM and rated torque of 0.558 N-m. A 1000 LPR encoder and 0.000023 kg-m2 rotor inertia support crisp feedback and quick settling in tightly tuned servo loops. Strong peak capability at 1.82 N-m stands out as a key performance advantage.
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Product Description:
The H-234-H-0804 belongs to the Silverline Brushless Servo Drives series produced by Kollmorgen. This brushless servo drive is intended for positioning and velocity regulation of light-to-medium-inertia loads in industrial automation equipment such as pick-and-place heads, compact conveyors, and electronic assembly stations. By supplying precisely metered three-phase current, the unit converts command signals from a motion controller into mechanical output that rotates an attached shaft with repeatable accuracy.
The unit can deliver 351 W of mechanical power while drawing a steady 12.6 A from the DC bus, and it sustains a constant shaft load of 118 oz-in without overheating. A rated speed of 6000 rpm pairs this torque with adequate surface velocity for high-cycle machinery, while the rated torque of 0.558 N-m establishes the nominal magnetic loading point. The generated back electromotive force is 7.89 VO-PK/KRPM, a value used by the drive controller to predict voltage demands during acceleration. Armature impedance includes a DC resistance of 0.252 Ω and an inductance of 0.52 mH; these parameters influence current ripple and commutation filter design. Torque sensitivity is 0.0663 N-m per ampere, allowing servo gains to be scaled directly from commanded current. An optical encoder provides 1000 LPR feedback for closed-loop control.
Short-term overload capability reaches a peak current of 30.5 A DC, allowing the motor to generate a peak torque of 1.82 N-m for rapid indexing. The rotor inertia is only 0.000023 kg-m², supporting responsive acceleration in compact machines. The overall length is 5.76 in, and the smooth shaft has a diameter of 0.25 in for direct coupling to precision gearheads or pulleys. The system tolerates a line voltage of up to 250 Vrms. These operating limits support controlled motion while helping protect the windings from excessive current rise during demanding acceleration cycles.
