Emerson / Artesyn / Astec MP1-1L-1N-1J-1J-1Q-4LL-4NN-00-479 1000W Power Supply

The Emerson MP1-1L-1N-1J-1J-1Q-4LL-4NN-00-479 is a 1000W modular power supply system engineered for high-density, configurable output architectures. Seven available slots accommodate customized voltage and current combinations to meet application-specific requirements across industrial and medical sectors. The platform delivers field-proven reliability with active power factor correction, intelligent fan speed control, and comprehensive protection mechanisms including current limiting, output sequencing, and remote sensing on high-current rails.

Technical Specifications

Input Power: 85–264 VAC / 120–300 VDC, 50/60 Hz

Maximum Output: 1000W

Physical Dimensions: 2.5" × 8" × 11"

Internal Input Fuse: 20A

Holdover Storage: 20 ms minimum

Operating Temperature Range: −20 °C to +50 °C (50% derating at 70 °C)

Storage Temperature Range: −40 °C to +85 °C

Humidity: 95% non-condensing

Temperature Coefficient: 0.02% per °C

MTBF (Field Demonstrated): >550,000 hours at full load, 220 VAC, 25 °C

Mechanical Shock/Vibration: MIL-HDBK-810E

Harmonic Distortion: EN61000-3-2 compliant

Radiated EMI: CISPR 22/EN55022 Class B

Conducted EMI: CISPR 22, EN55022 Curve B

Isolation: EN60950 certified

Key Features

Current sharing on all outputs ≥10A; remote sense on outputs >2A

Individual module and global inhibit/enable with TTL logic control

Configurable output sequencing (ascending/descending)

Selectable current limiting: foldback or constant-current mode

Voltage adjustment per output via manual or I²C interface

Output margining on single-output modules

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

Forced-air cooling with field-replaceable fan (P/N 73-688-0001) and intelligent speed control

Isolated 5V bias voltage

Low-leakage option for medical applications

Optional conformal coating and SEMI F47 extended hold-up module

Output Configuration

Slot 3 & 4: 10V @ 18A (dual channels)

Slot 5: 24V @ 3A

Slots 1 & 2: Configurable modules (1L, 1N designations)

Certifications UL, CSA, TÜV, BABT, CB, CE Mark