Simarine Combo Quadro Battery Shunt Modules 300A 2V 2R 1T (SI-SC303/SI-SC503)

Style: SI-SC303
Sale price$237.00



Innovative combination of Shunt and Tank/Temp level module. The SC303 & SC503 are an active combo shunt for PICO battery monitor with;

  • 2 x Voltage Inputs 
  • 2 x Tank Level or Temperature Inputs
  • 1 x Socket for Temperature Sensor with JST connector
  • 1 x Current Sensor up to 300A (SC303) or 500A (SC503) for up to 75V systems.

It can be used for monitoring current draw of heavy consumers (inverters, bow and stern thrusters, anchor winches) and current generators (shore power chargers and solar panels). Additionally, it allows monitoring tanks for fuel, fresh and grey water.


Model Simarine Combo Quadro Shunt Module
SI-SC303 300A Active Shunt
SI-SC503 500A Active Shunt
Voltage Range 6-35V
Temperature Range -20 - +70°C
Power Consumption at 12V
Operating 1.2mA
Current Measuring Range
Per Channel - SC303 0.01 - 320A
Per Channel - SC503 0.01 - 700A
Accuracy ± 0,6 %
Resolution 0,01 A
Sampling rate 100 ms
Maximum Current
Continuous - SC303 300A
Continuous - SC503 500A
Peak current (<1 min) - SC303 400 A
Peak current (<1 min) - SC503 700A
Peak current (<5 min) - SC303 700 A
Peak current (<5 min) - SC503 1000A
Voltage drop at 300 A 50 mV
Maximum Voltage on Connections 35V
Voltage Inputs
Range 0-75V
Resolution 1mV
Accuracy ±0.2%
Sampling Rate 100ms
Resistance inputs
Range 0 Ohm - 65kOhm
Accuracy ± 3.0%
Temperature Sensor – NTC 10k
Range -15 – +80 °C
Accuracy (-10 – 60 °C, 14 – 140 °F) ± 3.0%
Connectivity Up to
Batteries 1
Temperature Sensors 3
Voltage and/or Resistance Sensors 2
SiCOM RJ9 Sockets 2
Installation and Dimension
Dimensions (length x width x depth) 120 x 120 x 60 mm
Battery Connection M 10 bolts

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