KEENLAB – KSUPPLY HIGH CURRENT VOLTAGE REGULATOR AND CHARGER

Availability:

7 in stock


Brands: Keenlab
Product Code: kSupply – High Current Voltage Regulator and Charger
Availability: In Stock

$148.00

or 4 fortnightly payments of $37.00 with Afterpay More info

7 in stock

This module is a versatile and fully adjustable high current voltage regulator with output current limiting. It is meant to be mounted directly on a specific 12V server power supply. Two different models are supported:

  • DPS-800GB (Fujitsu, very loud)
  • HSTNS-PR01 (Hewlett-Packard, less fan noise)

Both are available in used condition for little money via platforms like ebay.  Other models may also work if they provide a compatible pinout. For more details, please refer to the kSupply user manual.  Alternatively, the module can also be connected to any 12V power supply (eg.  a desktop computer’s ATX power supply) by attaching cables to its screw terminals.

The module has been designed to rapidly charge the kCap ultracapacitor module for high speed welding, but it can also be used for many other applications that require a stabilized voltage at high amperage. For example, build a high current laboratory power supply from it by attaching external potentiometers for voltage and current.

The ability of the module to operate either in constant-voltage or in constant-current modes also allows it to be used as a charger for high capacity Lithium batteries. Please note, that in such a case additional protection circuitry is mandatory to safely operate these batteries, e.g. a BMS.

With a small hardware change, the module can also operate in two quadrants and is able to transfer negative output current back to its input terminals.

An optional heatsink kit is also available. (For additional purchases, please email [email protected] for supply.)

The assembly and operation manual is available on for download at:  https://www.keenlab.de/wp-content/uploads/2019/06/kSupply-manual.pdf   Please make sure to study carefully in order to ensure safe and reliable operation.

IMPORTANT NOTES:

This article does not include output cables, as their length and termination is highly application specifc. If you plan to use this module to power a kCap ultracapacitor module, then you need to make a suitable cable, or you can purchase a preassembled cable kit.   (For additional purchases, please email [email protected] for supply.)

The key specifications are:

  • output voltage adjustable from 0V to 12V
  • output current adjustable from 0A to 70A
  • maximum power throughput 840W
  • can drive current into a short circuit like an ultracapacitor
  • automatic transition between constant voltage (CV) and constant current (CC) modes
  • over-temperature protection through current reduction
  • continuous output current
  • DPS800GB, without heatsink kit: 70A
  • HSTNS-PR01, without heatsink kit: 50A
  • HSTNS-PR01, with heatsink kit: 70A
  • free air, without heatsink kit: 40A
  • free air, with heatsink kit: 50A
  • output enable from server power supply routed out to a header
  • minimum voltage drop from input to output: 1.4V at 70A
  • input voltage range: 7V to 16V
  • fast response to load changes: 80µs
  • dimensions without heatsinks: 86 x 53 x 18mm

Tags: kWeldSpot-WelderDIY-Welding-kitDIY-Spot-Welding-KitHigh-current-voltage-regulatorkCap-UltracapacitorCharger,

SKU: 5487FB8/01 Category:
SPECIFICATIONS
Weight 500g
MANUFACTURER’S WARRANTY
Manufacturer’s Warranty Disclaimer: This kit is provided as is without any guarantees or warranty, except where obliged by national law. In association with the product, www.keenlab.de and www.hiketech.com.au makes no warranties of any kind, either express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, of title, or of noninfringement of third party rights. Use of the kit by a user is at the user’s risk. In no event shall www.keenlab.de and/or www.hiketech.com.au be liable for any direct, indirect, punitive, incidental, special, or consequential damages whatsoever arising out of or connected with the use or misuse of any product purchased herein. You agree and acknowledge that any product purchased should be used at your own risk and you should assess the risks before purchasing any product or using any product. You agree that in the event that www.keenlab.de and/or www.hiketech.com.au is deemed liable for any harm caused, the amount which it shall be liable to you shall be limited to the cost of the product. NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, OF MERCHANTABILITY, FITNESS FOR A SPECIFIC PURPOSE, THE PRODUCTS TO WHICH THE INFORMATION MENTIONS MAY BE USED WITHOUT INFRINGING THE INTELLECTUAL PROPERTY RIGHTS OF OTHERS, OR OF ANY OTHER NATURE ARE MADE WITH RESPECT TO INFORMATION OR THE PRODUCT TO WHICH INFORMATION MENTIONS. IN NO CASE SHALL THE INFORMATION BE CONSIDERED A PART OF OUR TERMS AND CONDITIONS OF SALE.

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