Power-One PMP 25.48 SIC 1-137789 Power supply

The Power‑One PMP 25.48 SIC 1‑137789 is a high‑current industrial power supply module used in motor drives and control cabinets. Common failure points for this class include overheating of the main bridge rectifier, degradation of the output filter capacitors, and failure of the internal voltage regulator ICs; external symptoms often appear as brownout or intermittent shutdowns. Initial diagnostics should verify that the input AC is within spec (205‑250 V AC), check the output DC rail for correct voltage and ripple, inspect the board for burn marks or cracked components, and review any fault codes logged by the host controller.[oss-gpt-20b]

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