Description
Not every converter fits a 300 V source, yet not every one needs 600 V either. The Keysight DP5774AH DC power supply sits in between. It also reaches 400 V at 13 A, which makes 5.2 kW from one output. It runs from a three-phase 380/480 VAC input, and Lost in HCM lists it for rental and sale.
The middle voltage point
A 400 V ceiling also covers many bus-voltage tests with room to spare. At the same time, 13 A of current feeds a serious load. So this model suits teams that outgrew a 300 V supply but do not want the low current of a 600 V one.
Quick answers about the Keysight DP5774AH DC power supply
What does it deliver?
It delivers up to 400 V, 13 A and 5,200 W, so a single output covers the whole range.
What does it need?
It needs a three-phase 380/480 VAC supply, and then a controller link.
How clean and precise is it?
The listing gives 200 mV voltage programming accuracy and 400 mV peak-to-peak noise and ripple.
Behavior to plan around
The output response time is 100 ms, so long, steady tests suit it better than quick load steps. Adjustable slew rate and arbitrary waveform generation still let you script ramps and dips, and built-in voltage and current measurement then reports what happened.
Connections and safeguards
You can drive the supply over GPIB, LAN, USB or LXI. Analog and resistance control also exist, so the wiring choice is yours. Because the case is 1U full-rack, wiring stays tidy in an automated test system. Overvoltage, overcurrent and system protection reduce the risk to your part, but they do not replace sensible limits.
Typical work
Engineers use the Keysight DP5774AH DC power supply for high-current power-device checks and converter validation. Automated production and qualification racks need it as well, while automotive and industrial electronics teams also rely on programmable DC power in the lab. As a result, one unit can serve several projects.
Rental or purchase
Rent it for a defined project, or buy it if the rack needs it every week. In both cases, request a quote from Lost in HCM with your mains details. Related power supplies sit in the category page, and Keysight publishes the maker information. You can also contact SMK Vietnam.
DP5774AH questions
Is 400 V the maximum?
Yes, the listing gives 400 V as the maximum output voltage, with 13 A of current.
Which mains does this version use?
The listing pairs this version with a three-phase 380/480 VAC input.
How fast is the output response?
The listing gives 100 ms.
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