The Keysight N8921A is a 5 kW autoranging DC system power supply engineered for automated test equipment and demanding research applications. This single-output unit delivers up to 200 V and 70 A with full autoranging flexibility across the entire power envelope. Built-in voltage and current measurements, comprehensive protection circuits, and multiple communication interfaces make it suitable for both standalone operation and parallel configuration with other N8900 Series units.
– Technical Specifications
Output Ratings
• Maximum output power: 5000 W
• Maximum output voltage: 200 V
• Maximum output current: 70 A
• Autoranging output: Full 5 kW available across wide voltage-current combinations (e.g., 200 V @ 25 A or 71.4 V @ 70 A)
AC Input
• Input voltage range: 187 to 240 VAC
• Nominal input voltage: 208 VAC ±10%
• Input frequency: 45 to 65 Hz
• Input type: 3-Phase
Programming & Measurements
• Voltage programming accuracy: 0.1% of full-scale
• Current programming accuracy: 0.2% of full-scale
• Built-in voltage and current measurements
Protection
• Over-voltage, over-current, and over-temperature protection standard
Physical Design
• 3U rack-mountable form factor (5.25 in height)
– Key Features
• Autoranging capability eliminates the need for multiple fixed-output supplies
• Parallel operation: Multiple N8900 units can be configured for combined output exceeding 100 kW using built-in master/slave control
• LAN (LXI Core), USB, GPIB, and analog interfaces for flexible system integration
– Typical Applications
• Automated test equipment (ATE) requiring variable voltage and current
• Research facilities demanding precision DC power with full programmability
• Systems requiring scalable power architecture
– Compatibility & Integration
The N8921A integrates with the full N8900 Series ecosystem, supporting parallel operation for increased capacity. Standard instrumentation interfaces (LAN, USB, GPIB, analog) enable rapid integration into existing test systems.
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