The Lambda/TDK/EMI ESS350-40 is a programmable DC power supply delivering 10 kW or 15 kW in a compact 5U rack-mount package. Engineered for industrial and laboratory applications, it combines constant voltage and constant current operation with pulse-by-pulse current limiting for protection in demanding environments. This proven platform, in production since 1995, supports output voltages to 600 V and currents to 1400 A, making it suitable for high-power test systems and OEM integration.
## Technical Specifications
• Output Power: 10 kW or 15 kW
• Output Voltage: Up to 600 V (500 V max at 15 kW configurations)
• Output Current: Up to 1400 A
• Input: 3-phase 432–528 VAC (Option 11)
• Efficiency: 85% to 91% (model dependent)
• Power Factor: 0.9
• Line Regulation: 0.1%
• Load Regulation: 0.1% (0–100% load)
• Output Ripple & Noise: 50–300 mV peak-to-peak
• Load Transient Response: 650 µs (30% load change, models ≤20 VDC)
• Temperature Coefficient: 0.02% per °C (voltage), 0.03% per °C (current)
• Operating Temperature: 0°C to +50°C
• Storage Temperature: −55°C to +85°C
• Derating: 4% per °C above 50°C
• Dimensions: 5U rack-mount (8.75 inches high)
## Key Features
• Adjustable front-panel overvoltage protection and current limiting
• Failsafe soft start for controlled power-up sequences
• Ten-turn potentiometers for precise voltage and current adjustment
• Analog or digital meters displaying output voltage and current simultaneously
• LED indicators: overvoltage condition, inverter failure, phase loss, and control failure
• Series/parallel capable for systems requiring higher power
• Remote control with start/stop/interlock via external AC or DC voltage source
• Integral cooling fan
• Analog programming and monitoring (0–5 V) on rear panel
• Optional RS232 and IEEE 488 digital interface
## Typical Applications
High-current load testing, electrochemical processes, power conversion verification, and OEM test bench configurations requiring stable, regulated DC output with tight load regulation.
## Compatibility & Integration
ISO 9001 certified manufacturing. Five-year warranty. Designed for integration into laboratory and production test systems where series/parallel operation enables scaling beyond single-unit output ratings.
