The Keysight N8759A is a single-output DC power supply engineered for automated test equipment, R&D, and production environments demanding stable, precise power delivery. This 5000 W unit combines high voltage (100 V max) and high current (50 A max) capability in a compact 2U rackmount form factor, enabling flexible test system integration without sacrificing performance or accessibility.
Technical Specifications
Output Voltage
• Maximum: 100 V
• Programming accuracy: ±0.025% + 75 mV
• Ripple and noise (CV): 100 mV peak-to-peak, 15 mV rms
Output Current
• Maximum: 50 A
• Programming accuracy: ±0.1% + 150 mA
Power Output
• Maximum: 5000 W
AC Input
• Standard: 85 to 265 Vac
• Option N8759A-208: Three-phase 180–235 V, 50–60 Hz (USA)
• Option N8759A-400: Three-phase 360–440 V, 50–60 Hz (Europe)
Protection
Overvoltage, overcurrent, under-voltage, and overtemperature protection integrated throughout operation.
Measurement and Control
Built-in voltage and current measurement with read-back capability. Front-panel operation via separate voltage and current knobs. Analog or resistance control of output parameters.
– Key Features
• Programmable output voltage and current for automated test sequences
• Front-to-back airflow design optimized for rack cooling
• Remote control via LAN (LXI-Core compliant), USB, and GPIB
• Parallel connection (up to 4 units) for increased current capacity
• Series connection (up to 2 units) for increased voltage
• Comprehensive device protection across all operating conditions
– Typical Applications
• Automated test equipment and production testing
• Component characterization and validation
• Power supply development and design verification
• Research and laboratory environments requiring precise, sustained power delivery
– Compatibility & Integration
LXI Class C specification compliance ensures seamless integration into modern instrumentation networks. Standard interfaces (LAN, USB, GPIB) enable flexible control architectures. Optional 19-inch rack mount kit (N5740A) simplifies system deployment. Multiple input voltage configurations support global installation requirements.















