Emerson / Artesyn / Astec MP4-1D-1F-1F-1F-1Q-0M 400W Power Supply

The Emerson/Artesyn/Astec MP4-1D-1F-1F-1F-1Q-0M is a 400W configurable power supply engineered for industrial automation, telecommunications, and demanding commercial environments. Its modular architecture supports five output slots with field-proven reliability exceeding 550,000 hours MTBF at full load. The unit accepts wide-range AC (85–264 VAC) and DC (120–350 VDC) inputs, delivering precision-regulated outputs with 0.4% line/load regulation and 5 ms early warning before regulation loss

Input Fuse: 10A Output Configuration (MP4-1D-1F-1F-1F-1Q-0M)

Slot 1 (1D): 3.3V @ 35A

Slots 2–4 (1F each): 5.2V @ 35A per slot

Slot 5 (1Q): 24V @ 8.5A

Voltage Adjustment: ±10% minimum on all outputs

Margining: ±4–6% nominal

Regulation: 0.4% or 20 mV maximum

Ripple (RMS): 0.1% or 10 mV, whichever is greater

Ripple (Pk-Pk): 1.0% or 50 mV (20 MHz bandwidth limit)

Dynamic Response: <2% or 100 mV on 25% load step

Recovery Time: <300 µsec to 1% steady-state Environmental & Mechanical

Operating Temperature: −20 °C to 50 °C (linear derate to 50% at 70 °C; −20 °C to 40 °C with rear air option)

Storage Temperature: −40 °C to 85 °C

Humidity: 95% non-condensing

Shock/Vibration: Mil-Hdbk 810E compliant

Case Size: 2.5 × 5 × 10 inches

Key Features

Auto-recovery short-circuit protection on all outputs

Overload protection on each channel

Per-module voltage adjustment and margining capability

Outputs adjustable down to 0.5V

Harmonic distortion compliant with EN61000-3-2

Power factor correction integrated

Status indication via Input-OK and Global DC-OK LEDs

Typical Applications

Industrial automation control systems

Telecommunications infrastructure

Multi-rail embedded systems requiring isolated voltage domains

equipment demanding high MTBF

Compatibility & Integration The five-slot architecture accepts single output modules in four power ranges, with support for series and parallel configurations. Individual module inhibit/enable control provides flexible load sequencing and margin testing.