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OctoPlex® Battery Monitor

The Battery Monitor is capable of measuring one (1) Current, two (2) DC Voltages, and up to four (4) individual battery temperatures. The Battery Monitor Cable Harness (P/N A2225-[], see Table 1 and 2) enables the monitor to connect to the batteries. The Battery Shunt 200 Amp, 50mV (P/N MS91587-2), is needed to measure the current that is installed on the high side of the installation. The Battery Monitor is NMEA 2000® certified, allowing the user to view all DC information over an NMEA 2000 network.

Power Input

12 VDC – 30VDC, 100 mA max (Blue Wire)

DC Voltage Input

12 VDC – 30VDC (Red Wire)

Shunt Voltage

50 mVDC (Orange/Green Wires)

CAN Bus Voltage

+15 VDC (± 0.5)

Load Equivalence Number



5.50” X 2.43” X 2.43”

CAN Bus Connectors

One (1) Micro-C Male

Operating Temperature

-40°C to +70°C


0.75 lbs (0.34 kg) nominal

NMEA 2000

Category B

Lloyd’s Register

Lloyd’s Type Approved, Test Specification #1, Env 2


IEC 60533 Electrical and Electronic Installations in Ships
IEC 60945 Maritime Navigation and Radio Communication Equipment and Systems

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