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

















