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Battery Isolators

MB-3680 (12V-100A) and MB-3682 (24V-100A)

User Manual

REV.0 2011 / 02

7673-2112-2300

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Summary of Contents for MB-3680

Page 1: ...Battery Isolators MB 3680 12V 100A and MB 3682 24V 100A User Manual REV 0 2011 02 7673 2112 2300 ...

Page 2: ...battery from the second battery in normal condition It allows charging of the second battery only when the main battery is at the selected voltage level set in LVR Connect This way it also diverts excess power from the alternator to run equipment that feeds from the second battery It does not allow the second battery to power the car electronics or feed into the starting of the car unless the manu...

Page 3: ... 3 Main Terminal for connection to the Positive battery terminal of main starting battery 4 Disconnect Voltage Selector LVD 5 Dual colour LED Indicator A No light Disconnect Green light Connect B Red light solid Over Voltage Protection for Main Terminal Red light slow flash Over Temperature Protection Red light fast flash Over Current Protection 6 Connect Voltage Selector LVR 7 Auxiliary Terminal ...

Page 4: ... in use Use a toggle switch to connect this yellow wire to the positive terminal of the battery for manual connection of the Main and Aux terminals 4 Installation for a Two Battery System 1 Select the suitable Disconnect LVD and Connect voltages LVR according to your requirement For a normal 2 battery system the LVD is about 12 4V and LVR is about 13 3V However the selections depend on the relativ...

Page 5: ...and LVR voltage are very much affected by the type of load and relative battery capacity Select a higher LVD for relatively smaller load for high initial draw load such as Motor choose a lower LVD 3 It is advisable to use a higher value of LVR to ensure a more completed charging operation 4 Check the battery s specifications for suitable LVR and LVD and in cycling or standby applications 5 If the ...

Page 6: ...4 Wide Operating Temperature Range 40 C to 60 C 5 Extruded Aluminum housing sealed with Polycarbonate end caps 7 Protections 1 Instant disconnection when main terminal drops to 8 5V 2 Over voltage protection at the main terminal 3 Over temperature to the isolator 90 C case temperature 4 Over current to the unit 5 Input reversed polarity protection to Main Terminal self reset ...

Page 7: ...olator Mode 15 Seconds Protection Low Voltage Protection No Delay 8 5VDC 0 5VDC 17VDC 1 0VDC Over Voltage Protection 18 5VDC 0 5VDC 34 5VDC 1 0VDC Over Temperature Protection Yes Protection Current Start Point 150A Continuous Output Current 100A Maximum Output Current 1 Minute 110A Operation Current Consumption LED ON 9mA Standby Current Consumption LED OFF 6mA Voltage Drop With 100A Main Batt To ...

Page 8: ...9 Dimension Diagram ...

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