The Keysight N8733A is a single-output programmable DC power supply engineered for high-current applications demanding stable, regulated power delivery. It provides 0–8 V output at 0–400 A with 3200 W total power capacity in a compact 2U form factor. Precision voltage and current control, integrated measurement, and comprehensive protection circuitry make it suitable for R&D, design validation, and manufacturing test environments.
Technical Specifications
DC Output Ratings
• Voltage: 0–8 V
• Current: 0–400 A
• Power: 3200 W
Programming Accuracy
• Voltage: ±0.05% + 7.5 mV
• Current: ±0.1% + 440 mA
Output Ripple and Noise
• CV peak-to-peak: 60 mV
• CV RMS: 8 mV
AC Input Options
• Universal single-phase: 85–265 VAC
• Single-phase: 170–265 VAC
• Three-phase 208 V: 180–235 VAC (N8733A-208 USA)
• Three-phase 208 V: 190–240 VAC
• Three-phase 400 V: 342–460 VAC
• Frequency: 50/60 Hz
Physical Characteristics
• Dimensions: 88 mm H × 423 mm W × 442.5 mm D (3.46 × 16.65 × 17.42 inches)
• Weight: 13 kg (28.6 lbs)
• Form Factor: 2U high, 19-inch wide rack mount
• Airflow: Front to back
Interfaces and Control
• Standard I/O: GPIB, LAN (LXI-Core compliant), USB 2.0
• Analog programming: Voltage and current control via analog or resistance input
• Remote control: Integrated Web server for browser-based access
• Drivers: IVI-COM with SCPI support
– Key Features
• Over-voltage, over-current, under-voltage lockout, and over-temperature protection
• Front panel operation with rotary knobs and pushbuttons; lockable controls
• Integral voltage and current measurement
• Parallel connection: up to four identical units for increased current capability
• Series connection: up to two identical units for increased voltage
• High power density in compact footprint
• Rack mounting with standard ears, handles, and optional N5740A slide kit
– Typical Applications
• Component and subsystem testing
• Power supply design validation
• Manufacturing test and burn-in
• Laboratory R&D
– Compatibility & Integration
Part of the N8700 Series family of 21 models with varying voltage and current ratings. Compatible with optional N5740A rack mount slide kit for enhanced integration in standard 19-inch racks.
