Advanced Test and Measurement
Instruments and Power Supplies

Aim-TTi LD400 Series

Electronic DC Load, 80V, 80A, 400W with/without Remote Interfaces

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  • Versatile solution for testing dc power sources
  • Constant current, resistance, conductance, voltage and power modes
  • Wide voltage and current range, 0 to 80V and 0 to 80A
  • 400 watts continuous dissipation at 28°C (360W at 40°C)
  • 600 watts short-term dissipation (up to 60 seconds)
  • Low minimum operating voltage of <1V at 40A
  • High resolution and accuracy for level setting
  • Built-in transient generator with variable slew
  • Current monitor output for waveform viewing
  • Variable drop-out voltage for battery testing
  • High resolution backlit graphic LCD with soft key control
  • Analogue remote control of levels and TTL control of on/off and transient switching
  • Front and rear input terminals (front terminals 30A max.)
  • Full bus control via USB, RS232 and LXI compliant LAN interfaces (LD400P)
  • GPIB option (LD400P only)

Product Variants

Model Price


Electronic DC Load, 80V, 80A, 400W with analogue control interface only


Electronic DC Load, 80V, 80A, 400W with analogue and digital control, USB, RS232 and LAN/LXI interfaces.  GPIB optional
Model Description Price
GPIB Interface Kit
Series Model Price
4U Rack Mount for CPX, MX, QPX and PL/PLH Series 3U PSUs.