The Keysight N8757A is a programmable DC power supply delivering up to 5100 W across 60 V and 85 A in a compact 2U rackmount form factor. Engineered for R&D, design validation, and manufacturing test environments, it combines high power density with LXI-Core compliance and multiple control interfaces. The unit provides stable, low-noise output with integrated voltage and current measurement, analog programming capability, and comprehensive protection circuitry—making it suitable for both benchtop operation and automated test system integration.
Technical Specifications
DC Output Ratings
• Maximum Voltage: 60 V
• Maximum Current: 85 A
• Maximum Power: 5100 W
Output Quality
• Voltage Programming Accuracy: 0.025% + 45 mV
• Current Programming Accuracy: 0.1% + 255 mA
• CV Peak-to-Peak Ripple: 75 mV
• CV RMS Noise: 10 mV
Power Conversion
• Efficiency: 88%
• AC Input Range: 85 to 265 Vac (universal); nominal 190 V
– Key Features
• LXI Class C compliant with built-in web server for remote browser-based control
• Dual programming modes: analog/resistance input or digital command via LAN (LXI), USB, or GPIB
• SCPI and IVI-COM driver support with 100 ms command processing time
• Integrated over-voltage, over-current, over-temperature, and under-voltage protection
• Scalable architecture: parallel connection of up to four units for increased current; series connection of up to two units for increased voltage
• Front-to-back airflow design enables stacking without overhead clearance requirements
• Compact dimensions (497.5 mm L × 86 mm W × 88 mm H); 16 kg weight
– Typical Applications
• Component and subsystem characterization under variable load conditions
• Automated test equipment (ATE) integration for production validation
• Power supply development and performance validation
• High-current circuit testing and stress analysis
– Compatibility & Integration
Standard interfaces include LAN (LXI-Core), USB, and GPIB. Analog control inputs support voltage and current regulation via external resistance or analog signals. Operating temperature range: 0 °C to 40 °C. AC input voltage hardware configuration is factory-set and cannot be modified after delivery.
