Indramat KDA 3.2-150 power supply

The Indramat KDA 3.2‑150 is an AC servo‑drive power module that supplies a 300 VDC bus to a 150 A spindle drive and includes forced cooling via a 220 VAC blower. Common failures on this unit are overheating from fan or heat‑sink failure, overcurrent/overvoltage protection trips due to transient spikes, and insulation breakdown of the DC bus windings. First‑check diagnostics should verify the incoming AC voltage and frequency, confirm that the cooling fan is operating and the heatsink temperature remains below 80 °C, then inspect the DC bus for burn marks or excessive voltage sag while monitoring current draw against the 150 A rating.[oss-gpt-20b] Post Comment

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