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4.1.1 Power cable

Minimum power cable cross-section requirement at maximal temperature of
insulation 70°C (160°F).

Continuous current

Area

500A

220mm2

400 A

150mm2

300 A

95mm2

200 A

50mm2

100 A

25mm2

CAUTION: Failure to observe the required cable cross-sections can damage the
shunt, wiring, or cause a fire.

5. Connecting

For proper function of the Simarine SC3O3/SC5O3 digital shunt it is necessary
to take the following steps:

1. For safety reasons, disconnect the battery/battery bank plus and minus

terminals.

2. Connect the shunt to the Simarine PICO via the SiCOM port.

3. Connect shunt voltage sensing input to a battery terminal.

4. Connect the temperature sensor to the shunt and place it near the

battery/battery bank (optional).

5. Connect the battery/battery bank minus or plus terminals through the shunt

IN terminal.

6. Connect all consumers and charging sources to the OUT terminal on the

shunt.

Each correctly connected shunt needs to be configured. This can easily be done
with the PICO unit. The configuration process is described in the PICO manual.

·

The PICO manual & other user manuals: 

https://simarine.net/manuals

It is recommended that the shunt is installed in the negative line if possible.

CAUTION: After connecting the shunt, make sure all connections between cables
and shunt are secured. Loose connections may cause sparks, heating and even a
fire. They may also damage the shunt.

Summary of Contents for SC303

Page 1: ...S I M A R I N E SC303 SC503 USERS MANUAL V1 3 EN USER MANUAL V 1 3...

Page 2: ...w 4 4 Installation 4 4 1 Cables 4 4 1 1 Power cable 5 5 Connecting 5 5 1 SCX03 installed on the minus terminal of the battery 6 6 Technical specifications SC303 SC503 6 7 Troubleshooting 8 7 1 Negativ...

Page 3: ...s current up to 300A and suitable for maximal power of 3600W at 12V or 7200W at 24V Innovative combination of shunt and tank level module SC503 is a high precision combo shunt for PICO battery monitor...

Page 4: ...stall the shunt use the supplied voltage cables and find a place no further than 3 m away from the battery battery bank You can fix the shunt with the supplied screws using two holes on the bottom of...

Page 5: ...t voltage sensing input to a battery terminal 4 Connect the temperature sensor to the shunt and place it near the battery battery bank optional 5 Connect the battery battery bank minus or plus termina...

Page 6: ...e From 20 to 70 C from 4 to 158 F Power consumption at 12V Operating 0 8mA Current measuring range Per channel 0 01 320A Accuracy 0 6 Resolution 0 01A Sampling rate 100ms Maximal current Continuous 30...

Page 7: ...0 to 70 C from 4 to 158 F Power consumption at 12V Operating 1 2mA Current measuring range Per channel 0 01 700A Accuracy 0 6 Resolution 0 01A Sampling rate 100ms Maximal current Continuous 500A Peak...

Page 8: ...he IN terminal on the shunt If this is not the case you can reinstall the shunt or simply switch the IN and OUT terminal via the shunt configuration on the PICO unit 7 2 Shunt is not visible on PICO I...

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