NHR LogoAC and DC electronic loads for automatic test

NH Research, Inc
16601 Hale Ave
Irvine, CA 92606
tel 949.474.3900
fax 949.474.7062


Programmable DC Electronic Loads
programmable ac electronic loads and programmable dc electronic loads


L4000 High-Flexibility DC Electronic Load System

  • Mix and match up to 16 loads per chassis
  • To 10 kW and 500 V
  • 16 types of DC electronic load modules
  • Reconfigurable under program control
L4000 DC Electronic Loads

Application
The L4000 DC Electronic Load System is the most flexible, mid-to-high-power DC electronic load system available. It is intended for applications requiring a great number of different types of modular DC loads that can be either paralleled under program control or physically reconfigured as test requirements change. This high degree of flexibility is achieved through a unique chassis that will accept five different sizes of DC load modules, each of which is available in three maximum voltage limits.

Broad Configurability
The L4000 DC Electronic Load System can be configured to match an unusually wide assortment of loading requirements by selecting from sixteen types of electronic load modules. These include 150, 300, 600, 1200 and 2500 W power levels at 60, 200, 400 & 500 V maximums. The smaller electronic loads require fewer card slots, thereby allowing up to 16 loads in a single 10½-inch chassis. The user can mix and match electronic load modules and voltage ranges to suit any type of loading requirement. Additional electronic load modules and higher power levels can be provided through a slave chassis controlled through the same GPIB address.

Virtual Loading
To take flexibility a step further, similar DC electronic load types can be grouped as "virtual loads" under program control thus minimizing the number of different load modules needed to meet a particularly wide variety of requirements. The benefits of this flexibility are lower test station costs, less rack space and ease of adapting to future load requirements


Key Specifications
Module Power 150 W 300 W 600 W 1200 W 2500 W
Voltage 60/200/400 V 60/200/400 V

60/200/400 V

60/200/400 V

60/200/500 V

Current 0.5/2/5/20/60 A 2/5/20/60 A 2/5/20/60 A 2/5/20/60 A 40/120/240 A
Slots Required 1 1 (8 total max.) 2 4 8

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