Keysight (Agilent) N8757A DC Power Supply, 60 V, 85 A, 5100 W, Programmable

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.