P306250D-45 Kollmorgen
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The Kollmorgen P306250D-45 is part of the SP Servostar Servo Drives series and provides a continuous output current of 6 Amps RMS per phase. The drive supplies continuous power of 1.1 kW at 115 Vac single phase and 2.2 kW at 230 Vac three phase, with a nominal DC bus of 160 or 320 VDC. It features a rated PWM frequency of 16 kHz and an analog input scaling of 1.70 Amps per Volt.
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Product Description:
The P306250D-45 is a digital servo amplifier manufactured by Kollmorgen for the SP Servostar Servo Drives series. It converts rectified mains power into precisely modulated three-phase currents, enabling closed-loop torque and velocity control of brushless servomotors used in indexing tables, pick-and-place heads, and light machine tools. Integrated signal conditioning, power conversion, and protective monitoring make the unit a single-axis solution that can be panel-mounted beside PLC or motion-bus interfaces in general industrial automation. Because it incorporates both control logic and power electronics, no external analog amplifiers or shunt resistors are required.
Command inputs enter through a differential ±10 V port; with analog input scaling of 1.70 A/V, the drive supplies 1.70 A of phase current for every volt of reference signal. To power external transducers, it provides a regulated ±15 VDC rail capable of supplying 320 mA. Current loops are closed internally by measuring motor phase feedback at 2.12 A per volt, keeping commanded torque aligned with actual output. The power stage sustains a continuous phase current of 6 A RMS per phase, while short bursts of up to 18 A RMS per phase for 0.5 seconds handle acceleration peaks. The switching devices operate at a carrier frequency of 16 kHz. A secondary reconstruction frequency of 32 kHz limits the resulting motor current ripple, minimizing audible noise and magnetic losses.
The inverter’s thermal and power limits are matched to typical low-to-mid-power axes. It can continuously deliver 1.1 kW from a single-phase 115 VAC supply and 2.2 kW from a three-phase 230 VAC supply. The control electronics run from an isolated 8 VDC rail, and the input logic circuits draw only 0.2 A, reducing cabinet heat. The unit dissipates 84 W internally under full load. The DC bus is nominally 160 V at the lower supply voltage and 320 V at the higher supply voltage. An overvoltage threshold of 430 VDC disconnects the drive, and startup is inhibited when the DC bus falls below 90 VDC.
Frequently Asked Questions about P306250D-45:
Q: What is the continuous output current capability of the Kollmorgen P306250D-45 servo drive?
A: The P306250D-45 can deliver a continuous output current of 6 A RMS per phase for servo applications.
Q: What is the continuous power output for the P306250D-45 at 230 Vac three-phase?
A: This drive provides 2.2 kW of continuous power when supplied with 230 Vac 3-phase input.
Q: What is the analog input scaling value on the Kollmorgen P306250D-45?
A: The analog input scaling for this model is rated at 1.70 A per volt.
Q: How much internal dissipation does the P306250D-45 have?
A: The P306250D-45 features an internal dissipation of 84 watts during operation.
Q: What is the peak output current rating for the P306250D-45 servo drive?
A: The peak output current for 0.5 seconds is 18 A RMS per phase on this drive.
