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Constant Current PWM Resistive Load Controller, 30 Amps


Quantity Discount     Unit Price
List Price:   $249.95
1   $169.95
10  $ 159.95
   P/N: RLC-230

   Discontinued.


Datasheet (PDF)

The RLC-230 is a second-generation constant current PWM controller designed for resistive (non-inductive) loads. The control input is via any 5k potentiometer or 0-5V control signal, and the resulting output is a variable 0-100% pulse-width modulated voltage.

The controller features two modes of operation:

  • Current Limiting: the maximum allowable current is limited by the onboard trim potentiometer
  • Constant Current: where the current level is controlled by the external pot, and the full scale range from 0 - 30 Amps is selected via the onboard trim pot.

Sophisticated algorithms ensure safe operation through automatic fault detection and onboard diagnostics, overload protection, over-temperature protection and reverse polarity protection.

Features:

  • Use a 5k pot or 0-5V analog input signal for control
  • Built-in power relay with option for external control
  • Automatic Soft Start ramps up to full power when first powered up to decrease stress on power supplies.
  • Two modes - current control and current limiting
  • Over current protection
  • Over temperature protection
  • Over/Undervoltage protection
  • Reverse polarity proteciton
  • Automatic fault detection and diagnostics
  • 5 low resistance MOSFETs for up to 99% efficiency
  • Ultra-High efficiency design does not require heatsinks

Specifications:

  • 30 Amps continuous current
  • 12 V nominal (11-15 VDC) operation
  • PWM Range: 0% - 100%

Connections:

  • 0.25 inch quick-connect terminals for power connections
  • Terminal blocks for signal connections

Technical Documents:

Datasheet (PDF) (requires Adobe Acrobat Reader)

Dimensions:

4.0 x 3.0 x 1.3 inches tall.

Wiring Diagram:



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