EMACS SP2-4400FB Power Supply

The EMACS SP2‑4400FB is a 400 W switching power supply designed for industrial automation and server applications, providing 5 VDC at 30–50 A and 12 VDC at 11–20 A from 115/230 VAC input. Common failure points in this class include overheating of the internal MOSFET array, degradation of the output capacitors, and failure of the main fuse or protection circuitry under over‑current conditions. First‑check diagnostics: verify input voltage and polarity; measure output rail voltages with a calibrated multimeter while monitoring current draw; inspect for burnt components, loose solder joints, or swollen electrolytics, and review any error logs from connected controllers for power‑related fault codes.[oss-gpt-20b]

Need your EMACS repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

⚙️ Fast Diagnostics – Same-day evaluation available
🔁 Reliable Turnaround – Most jobs ship within 5–10 business days
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