Quick Delivery, Faster Time To Market, and Innovation You Can TrustUsed DC Power Supplies: Precision Power for Your Bench and ATE Needs
Used DC Power Supply Offers
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Key Specifications (model dependent)
Output Voltage
0 to 1500V
Output Current
Up to 800A
Power Output
Up to 30kW
Multiple Output Channels
Up to 4
Low Ripple and Noise
As low as 350 µVrms
Programming Accuracy
As precise as 0.025% + 1.8 mV
Featured Resources
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Power Products Solutions

Gain insights into the fundamentals of electrical power and DC power supplies, including key characteristics and testing methodologies.

Learn practical tips to maximize the potential of your programmable power supply and improve your testing processes.
Overcome design challenges with expert advice on understanding and resolving common DC power supply issues.
FAQ
What are the main differences between Keysight New, Keysight Premium Used & Keysight Used equipment?
| Keysight New | Keysight Premium Used | Keysight Used | |
| Savings | None | Up to 70% | Up to 90% |
| Condition | New | Like New | Working Condition ¹ |
| Firmware | Latest | Updated | As is |
| Calibration | Full | Full | As listed |
| Accessories | New | New | As listed |
| Warranty | 1 to 5 Years ² | Like New | 90 Days Warranty |
| Customization | Possible | Possible | Limited |
Can I Customize a Unit to Meet My Needs?
Yes, customization is generally possible with our Keysight Premium Used equipment. Most products can be configured to your specifications with additional options available at an extra cost. Please note that customization may impact delivery times. Some Keysight Used products may not offer customization options. Contact our eStore team via the product page for more information.
What Accessories Are Included in Keysight Premium Used Equipment?
Keysight Premium Used equipment typically comes with the same accessories and warranty as new products.
Can I Include Additional Accessories?
Currently, we only offer accessories that are listed with each product. If you require additional accessories, they can be purchased separately. Specify your needs in the comment field during checkout.
How Do I Order Accessories Separately?
For separate or post-purchase orders of accessories, please reach out to your local Keysight office or Keysight Partner. You can also check our online store for availability in your region or contact us directly through our website.
What is a DC power supply?
A DC power supply is a device that converts alternating current (AC) from a power source into stable direct current (DC). It provides a constant voltage or current output for powering electronic devices and circuits.
- Converts AC to DC
- Provides stable power output
- Essential for many electronic devices
DC power supplies come in various types, including linear, switched-mode, and programmable, each suited for different applications.
How does a DC power supply differ from an AC power supply?
The main difference lies in the type of current they provide:
- DC delivers current flowing in one direction
- AC produces current that periodically changes direction
- DC is required for most electronic devices
- AC is typically used for power distribution and some appliances
DC power is generally more suitable for sensitive electronics due to its stable nature.
What are the common applications of DC power supplies?
DC power supplies are widely used in various fields:
- Electronics testing and development
- Powering computer components
- Industrial control systems
- Laboratory equipment
- Telecommunications devices
- LED lighting systems
They're essential in any application requiring stable, controlled DC power.
How do linear and switching power supplies differ?
Linear and switching power supplies have distinct characteristics:
Linear supplies:
- Simple design, less noise
- Lower efficiency, larger size
- Better for low-noise applications
Switching supplies:
- More complex, potentially noisier
- Higher efficiency, compact size
- Suitable for most general applications
The choice depends on specific requirements like efficiency, size, and noise sensitivity.
How do you troubleshoot a DC power supply?
To troubleshoot a DC power supply:
- Check input voltage with a multimeter
- Test output voltage under no-load and load conditions
- Inspect for visible damage or burnt components
- Check fuses and other protective devices
- Test individual components if necessary
Always prioritize safety when working with electrical equipment.
Learn More
For more details and to explore our offerings, visit Keysight Used.



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