Keysight (Agilent) N8921A DC System Power Supply, Single Output, 200 V, 70 A

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

• 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.