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SEC America 680 CE Owner's Manual

Dc-dc converter
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SEC
SEC America Corp
Model 680 CE, DC-DC Converter
Owner's Manual
April 1, 2019

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Summary of Contents for SEC America 680 CE

  • Page 1 SEC America Corp Model 680 CE, DC-DC Converter Owner's Manual April 1, 2019...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS page Introduction Installation Mounting Connections Methods of Converter Activation III Internal Adjustments Voltage Adjustment Low Voltage Cutout IV Warranty Mechanical Drawing of Base Plate VI Electrical Specifications...

  • Page 3: I Introduction

    Tools Required - 1 flat blade screw driver (1/4 in. wide) Figure 1 shows the connection panel view of the 680CE. The 680 CE, DC-DC Converter can be activated by: 1) Connecting Terminals 1 & 2 on TBA (as factory supplied)

  • Page 4: Methods Of Converter Activation

    Prior to Main Input Power Connections: Prior to hook up to the vehicular power source, the buttons on the two circuit breakers shown in Figure 1 should be pulled out into the disconnect position. This position is indicated by the exposure of the white portion of the breaker button shaft.

  • Page 5: Internal Adjustments

    III Internal Adjustments Varying the adjustments of the Model 680CE require the technician to have a stable DC power supply variable from at least 10 VDC to 15 VDC. To access adjustments turn the unit upside down and remove the base plate by unscrewing the 4 securing screws in its corners.

  • Page 6: Low Voltage Cutout

    3.2) Low Input Voltage Cutout Adjustment The Model 680CE is provided with a circuit to protect against destructively deep battery discharges, or discharges beyond the point where the vehicle battery can no longer support ignition. 680CE’s are adjusted at the factory to the minimum low input voltage cutout (LIVC) of 10.8 V below which the converter remains inactive.

  • Page 7: Warranty

    IV Warranty and Repair Should your investigations indicate that your new Model 680CE is defective or damaged and your unit is still under warranty then contact SEC America Corp. at 802-865-8388 and obtain return merchandise authorization for credit or exchange.
  • Page 8 0.215 dia. 4 places 5.430 side view is symetric about 10.500 the center line 13.800 0.200 dia. 0.562 0.625 4 places 4 places 0.125 radius 0.375 0.250 0.250 DWG. NO. SEC America, LLC 63-1448 S. Burlington, VT 05407 Page 6...

  • Page 9: Mechanical Drawing Of Base Plate

    VI Electrical Specifications: Output Voltage: 26.4 Nominal (Internally adjustable +,- 0.5V) Output Voltage Adjust Range 24.5 VDC to 28.0 VDC (internally adjustable) Continuous Max Load Amps: 40 ADC @ 40C ambient (Input 12.5 Vdc) 40 ADC @ 60C ambient Maximum Power Dissipation: 60 Watts @ Full Load (40A, 26.4 VDC out) Maximum Input Current: 90 A (12 VDC in)

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