Description
Ninety amps is a serious load for a bench source. The Keysight N8954A DC power supply, an N8900 Series autoranging system, reaches 500 V and 90 A inside a 15 kW envelope. Lost in HCM lists it for rental and sale.
Reading the 500 V, 90 A, 15 kW rating
The voltage limit and the current limit are separate, and rated power caps their product. A full 500 V at 90 A would be 45 kW, so the unit cannot hold both maximums together. Instead, divide 15,000 W by your test voltage. At 500 V that leaves about 30 A, while the full 90 A is available at roughly 167 V or below.
Therefore, write down the real voltage and current pairs of your test before you ask for a quote. Then check each pair against the Keysight data sheet.
Jobs that suit a high-current DC source
- Converter inputs and DC-powered assemblies that draw heavy current.
- Repeated power-on checks, screening and endurance runs on a production station.
- ECU, lighting, motor-control and industrial electronics tests that need a steady DC rail.
Keep one limit in mind. This is a DC source, so do not assume it replaces a bidirectional battery emulator or a regenerative supply. Check the energy flow, inrush and shutdown needs before you connect a device that can push energy back.
Site power and connections
The listing gives a 400 VAC, three-phase input, so your facility must match it. The factory-installed AC-input option also has to fit your site. Ask for a photo of the label and the option list before you decide.
Control options include LAN, USB, GPIB and analog. However, test the driver and commands on one station before you roll them out to a line. At this current, size the cables for the load and review connection resistance. Check polarity before you enable the output, and follow the Keysight user guide for earthing, sensing and discharge steps.
Rent for a campaign or buy
A rental of the Keysight N8954A DC power supply suits a validation campaign, a production ramp or an urgent replacement. A team that runs the same test every week may prefer to buy. Lost in HCM supplies the unit and arranges service on request. SMK Vietnam only shows the listing, so it does not stock, price or service anything.
Ask for the Keysight N8954A DC power supply
Please request a quote from Lost in HCM with your application, voltage and current pairs, dates and delivery city. You can also browse other power supplies, read about N8900 units on the Keysight website, or contact SMK Vietnam.
N8954A buyer questions
How much current can the N8954A give at 400 V?
Rated power sets the limit. Divide 15,000 W by 400 V and you get about 37.5 A, well under the 90 A maximum.
Which control interfaces does the listing show?
LAN, USB, GPIB and analog. Confirm the driver and command set on a trial station first.
Does the photo show my exact unit?
No. It is a representative N8900 family image. Lost in HCM confirms the exact model and AC-input option in the quote.
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