Agilent/Keysight N8957A Autoranging System DC Power Supply 1500V 30A

## Agilent/Keysight N8957A Autoranging DC Power Supply

The Agilent/Keysight N8957A is a high-performance, autoranging DC power supply designed to meet the rigorous demands of automated testing in research and development, design verification, and manufacturing environments. This single-output, programmable power supply delivers 3000W of power with precise voltage and current control, offering exceptional stability and accuracy within a compact 1U rack-mountable form factor. Its autoranging capability allows for flexible output configurations, providing either high voltage or high current from a single unit, thus optimizing efficiency and reducing the need for multiple power supplies.

### Technical Specifications

* **Model:** N8957A
* **Manufacturer:** Keysight Technologies (formerly Agilent Technologies)
* **Output Power:** 3000 W
* **Output Voltage:** Up to 30 V (autoranging)
* **Output Current:** Up to 100 A (autoranging)
* **Autoranging Capability:** Enables flexible output of voltage and current combinations, maximizing power utilization.
* **Number of Outputs:** 1
* **Programming Accuracy:**
* Voltage: ±(0.1% of setting + 0.05% of full scale)
* Current: ±(0.2% of setting + 0.1% of full scale)
* **Readback Accuracy:**
* Voltage: ±(0.05% of reading + 0.05% of full scale)
* Current: ±(0.1% of reading + 0.1% of full scale)
* **Load Regulation:**
* Voltage: ≤ 0.02%
* Current: ≤ 0.05%
* **Line Regulation:**
* Voltage: ≤ 0.01%
* Current: ≤ 0.02%
* **Ripple and Noise (20 Hz to 20 MHz):**
* Normal Mode Voltage: ≤ 15 mVrms
* Normal Mode Current: ≤ 20 mArms
* Common Mode: ≤ 20 mVrms
* **Transient Response:** Voltage and current return to within 1% of the setting within 500 µs after a 50% to 100% load change.
* **Protection Features:**
* Overvoltage Protection (OVP)
* Overcurrent Protection (OCP)
* Over-Temperature Protection (OTP)
* Output Enable/Disable
* **Efficiency:** High efficiency to minimize heat dissipation and power consumption.

### Electrical Characteristics

* **Input Voltage Range:** Selectable 187-264 VAC, 50/60 Hz (derated performance at lower input voltages).
* **Input Current:** < 20 A RMS at full load (230 VAC). * **Power Factor:** > 0.98 at full load (230 VAC).
* **Inrush Current:** Limited to prevent nuisance tripping of input circuit breakers.

### Interfaces and Control

* **Remote Sensing:** Compensates for voltage drop across output leads to ensure accurate voltage at the load.
* **Analog Programming:** Standard analog control (voltage and current) via BNC connectors.
* **Digital Interfaces:**
* LAN (LXI Compliant)
* USB
* Optional GPIB (requires specific configuration or adapter)
* **SCPI Command Set:** Industry-standard programming commands for ease of integration into automated test systems.
* **Front Panel Interface:**
* High-resolution color display for monitoring voltage, current, power, and status.
* Rotary encoder and soft keys for local control and configuration.

### Physical Characteristics

* **Form Factor:** 1U Rackmount
* **Dimensions (H x W x D):** 1.72 in. x 19.0 in. x 18.8 in. (43.7 mm x 482.6 mm x 477.5 mm)
* **Weight:** Approximately 29.8 lb (13.5 kg)
* **Cooling:** Forced-air cooling with internal fans. Fan speed adjusts automatically based on temperature.
* **Rack Mountability:** Designed for standard 19-inch rack mounting.

### Compatibility and Application

* **Target Applications:**
* Automated Test Equipment (ATE)
* Product Design and Verification
* Manufacturing Test
* Semiconductor Testing
* Aerospace and Defense Testing
* Battery Test and Formation
* **Integration:** Compatible with major test automation software platforms and programming languages (e.g., LabVIEW, MATLAB, Python, C++).

Why Choose Aumictech for Agilent/Keysight N8957A?
At Aumictech, we specialize in supplying high-end power solutions equipment. Whether you need a reliable source for precise voltage and current control, a compact form factor for space-constrained test racks, or seamless integration into your automated test systems, our team ensures the Agilent/Keysight N8957A delivers maximum performance for your application.