SC301 active shunt precisely monitors battery voltage on 12V and 24V systems, battery temperature and continuous currents up to 300A (400A peak). It’s suitable for maximal power of 3600W at 12V or 7200W at 24V.

Additionally, it can also be used for monitoring current draw of heavy consumers like inverters, bow and stern thrusters and anchor winches and current generated on generators like shore power chargers, solar panels, hydro- and wind generators.

SC301’s innovative protected architecture allows wiring in either negative (low) or positive (high) side.



0.1 kg


10 x 10 x 10 cm




Voltage range 6 – 35 V
Temperature range -20 – +70 °C
Power consumption at 12V  
Operating 0,8 mA
Current Measuring  
Range 0,01 – 320 A
Accuracy ± 0,6 %
Resolution 0,01 A
Sampling rate 100 ms
Maximal current  
Continuous 300 A
Peak current ( <1min ) 400 A
Voltage measuring  
Range 0 – 35 V
Accuracy ± 0,2 %
Resolution 1 mV
Temperature sensor – NTC 5K  
Range -15 – +80 °C
Accuracy ( -10 – +60 °C ): 3 %
Installation and Dimensions  
Dimensions 118x40x52 mm
Connection M 10 bolts
SKU S001
Brand Simarine
Shipping Weight 1.0000kg
Shipping Width 0.190m
Shipping Height 0.070m
Shipping Length 0.240m
Shipping Cubic 0.003192000m3
Unit Of Measure each

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