Delta Electronics DPSN-150BPE Power Supply

Delta DPSN‑150BPE is a 12 V/13 A (≈156 W) switch‑mode power supply used in industrial automation and servo drive systems. Common failure modes for this unit include overheating of the internal MOSFETs or transformer winding, degradation of the output capacitors, and failure of the primary rectifier bridge under high ripple currents. First‑check diagnostics: verify input voltage (100–240 VAC) and ensure it is within spec; measure the 12 V DC output for correct voltage and load current; visually inspect for burned components or swollen electrolytics, and check for any error LEDs or diagnostic codes on the host controller that may indicate power supply faults.[oss-gpt-20b]

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