Magnetek PCI-3-4BCDD-S1107 power supply

The Magnetek PCI‑3‑4BCDD‑S1107 is a 350 W, 6U CompactPCI AC‑DC power supply used in industrial control systems and servo drive enclosures. Common failure modes for this model include degraded output regulation due to aging electrolytic capacitors on the secondary side, melted or cracked heat‑sink fins from overheating, and burnt-out MOSFETs or IGBTs in the switching stage. Initial diagnostics should verify input voltage and phase balance, check output ripple and load current against spec, inspect for visual signs of component failure (burn marks, swollen caps), and review any error codes or status LEDs on the host controller.[oss-gpt-20b]

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