400 kW Dummy Load

The Kintronic Laboratories, Inc. DL-400 Series, 400 kW Dummy Load is designed to facilitate the off-air, full-power, testing of an AM/MW transmitter. It has a power rating of 400 kW + 125% continuous modulation.

Frequency Range: 530 – 1705 kHz

Input Connector: 6-1/8″ EIA Male Flange

VSWR: < 1.1/1

AC Power: 200-460VAC, 50/60Hz, 3-phase+; 200-240VAC, 50/60Hz, 1 phase

Custom configurations are available upon request.

Available Options:


Additional Features:

  • Input current meter with remote output
  • Air interlock for each blower fan
  • Resistor stack thermal overload sensor
  • Current overload fuses on each fan motor

Optional: Intake air filters, which reduce power rating to 400 kW + 100% mod continuous


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