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  1. What is the maximum current that a single device may draw from an NMEA 2000 network? The maximum allowable current that a device is allowed to draw from the NMEA 2000 network is 1 ampere. Devices requiring more than 1 ampere of current use a separate power supply connection, which is required to be isolated from the NMEA 2000 power s... Read More
  2. How do I display the J2K100 generator average AC current on Maretron’s DSM150 or DSM250 display? You display the J2K100 generator average AC current on a DSM150, DSM200, or DSM250 in the following way. Enter menu mode, scroll to "Favorite Screen Setup..." and press enter. Scroll to the favorite screen where you would like to view the current and... Read More
  3. How much electrical current does the RAA100 use? The RAA100 draws less than 100mA (LEN=2) of current from the NMEA 2000 network.... Read More
  4. How do I display DC Current on the Maretron’s DSM250 display? You display the DC Current on the DSM250 in the following way. Enter menu mode, scroll to "Favorite Screen Setup..." and press enter. Scroll to the favorite screen where you would like to view the DC current and press enter. Scroll to "Data:" and pre... Read More
  5. How do I know how much current an NMEA 2000 product will draw from the network? Manufacturers of NMEA 2000 equipment are required to disclose the amount of current drawn from the NMEA 2000 network. The amount of current used from the network is expressed as a Load Equivalence Number (LEN) where each LEN is equal to 50mA. For exa... Read More
  6. In addition to switching On and Off DC loads, can I use the DCR100 to monitor current flow to the loads? Yes, you can use the DCR100 to monitor DC current flow to loads using one of Maretron's display products (e.g., N2KView, DSM150, or DSM250). Each of the six channels within the DCR100 reports how much current is flowing to the load, which is use... Read More
  7. What are the specifications for the Current Transformer (CT) that comes with the Maretron AC Monitor (ACM100)?  The ACM100's current transformer specifications are as follows: Part Number: M000630Current Range: 100 AmpsOutput Ratio to Input: 1000:1 (100maAC Max)Frequency Range: 45-60HZDielectric Withstand: 1000VAC (RMS)Insulation resistance Class: .5KVFu... Read More
  8. How much current does the Maretron Smoke/Heat Detector (part # SH-002) draw from a power source? The smoke/heat detector requires only 70µA from a power source while standing by and monitoring for smoke or heat. The current requirement increases to 60mA once smoke or heat has been detected and the alarm is sounding. Please note that the smoke/he... Read More
  9. What are the dimensions of the DCM100 current transducers? The DCM100 is packaged with a Hall Effect sensor (P/N: LEMHTA200-S) which is rated to measure currents up to 200 Amperes.If your application requires measurements exceeding 200 Amperes,  Maretron offers additional sensors:400 Amperes measurement. Use... Read More
  10. How much electrical current does the DST100 use? The DST100 draws less than 50mA.... Read More
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