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Chassis Battery
1.0 Introduction
InPower's ABS3 Series Auxiliary Battery Switch is next generation technology for ideal charging and
isolating an auxiliary battery from a vehicle's chassis battery and alternator. This provides automatic
charging in either direction and also insures that the chassis battery will always be available for starting
the Vehicle. In addition there is a Manual mode where the chassis and auxiliary batteries are tied togeth-
er to provide additional starting power.
The ABS3 auxiliary battery switch uses InPower's proven Patented solid-state contactor technology,
incorporating sophisticated microprocessor algorithms that include over-current, over-temperature, and
over and under-voltage sensing. The ABS3 will automatically reconnect if the faults are no longer pres-
ent. The ABS3 is available in 12V 200 Amp, 2 lug and 4 lug versions (ABS3-200A and ABS-200B) and a
12V, 300 Amp 4 lug version (ABS3-300).
12V 200 AMP Auxiliary Battery Switch
BAT 1
7.0-18Vdc
www.InPowerLLC.com
INPUT
8.0-18Vdc
INPUT
InPOWER
the systems people
ABS3 12V 200 Amp 2 Lug
© Copyright 2021 InPower LLC
Alternator
Auxiliary Battery Switch
Chassis Battery
Loads
ABS3-200A
BAT 2
Electronic
Switch
Lot Code
GND
LED
www.InPowerLLC.com
Patented
www.InPowerLLC.com/Patents
INPUT
8.0-18Vdc
ABS3 12V 200 Amp 4 Lug
InPower LLC
8311 Green Meadows Drive
Lewis Center, Ohio 43035 USA
740-548-0965
www.InPowerLLC.com
OWNERS MANUAL
Solid State Auxiliary Battery Switch
ABS3-200A 12V 200 Amp, 2 Lug
ABS3-200B 12V 200 Amp, 4 Lug
ABS3-300 12V 300 Amp, 4 Lug
InPower
ABS3-200A
ABS3-200B
12V 200 AMP Auxiliary Battery Switch
BAT 1
BAT 2
7.0-18Vdc
Electronic
Switch
Lot Code
INPUT
GND
LED
InPOWER
Patented
the systems people
www.InPowerLLC.com/Patents
Page
1 of 8
Auxiliary Battery
Auxiliary Battery
Loads
ABS3-300
12V 300 AMP Auxiliary Battery Switch
BAT 1
BAT 2
7.0-18Vdc
Electronic
Switch
www.InPowerLLC.com
Lot Code
INPUT
8.0-18Vdc
INPUT
GND
LED
InPOWER
Patented
the systems people
www.InPowerLLC.com/Patents
ABS3 12V 300 Amp 4 Lug
ABS3 Owner's Manual
Document: OM-215 Version Code: B
Date: Jan 28, 2021 Date: Aug 9, 2021
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Table of Contents
Related Manuals for InPOWER ABS3-200A
Summary of Contents for InPOWER ABS3-200A
- Page 1 The ABS3 will automatically reconnect if the faults are no longer pres- ent. The ABS3 is available in 12V 200 Amp, 2 lug and 4 lug versions (ABS3-200A and ABS-200B) and a 12V, 300 Amp 4 lug version (ABS3-300).
-
Page 2: Normal Operation
Since this is an intelligent switch monitoring voltage, current, and temperature, it is possible to accommodate a wide variety of customer needs for operation, with programmable times, voltage and current settings. For custom requirements, please contact InPower LLC directly for your needs. LED shows whether the ABS3 is ON (LED ON) or OFF (LED OFF). -
Page 3: Manual Operation
When the engine is running and the alternator starts supplying current to the chassis battery and the chassis battery voltage rises above 13.5 volts for 10 seconds, the InPower ABS3 switch will close connecting the two batteries. The auxiliary battery will now recharge. - Page 4 Current Rating: 200 Amps (ABS3-200A/B) 300 Amps (ABS3-300) Standby Current: 3.8 milliamps Over-current Protection Trip: 205 Amps (+/- 2 Amps) for 1 sec (ABS3-200A/B) 305 Amps (+/- 2 Amps) for 1 sec (ABS3-300) Operational Temperature Range: -40 to +185 F (-40...
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Page 5: Mechanical Specifications
A fuse must be installed in each cable connecting the ABS3 to the chassis and auxiliary batteries. Each fuse must be located within 18 inches of the respective battery. For 200 Amp service it is suggested that 225 Amp fuses minimum are used to accommodate surges (the ABS3-200A is protected). Page ABS3 Owner’s Manual... -
Page 6: Fuse Locations
ABS and the vehicle itself. • Do Not Stack Lugs on the ABS3-200A terminals - use an appropriate termination block for attaching multiple wires. Refer also to the ABS3-200B which can accommodate a second set of lugs or a single double holed lug. -
Page 7: Mounting Diagram
ABS3-200B or the ABS3-300 Page ABS3 Owner’s Manual InPower LLC 8311 Green Meadows Drive Document: OM-215 Version Code: B 7 of 8 Lewis Center, Ohio 43035 USA Date: Jan 28, 2021 Date: Aug 9, 2021 740-548-0965 www.InPowerLLC.com © Copyright 2021 InPower LLC... -
Page 8: Making The Final Connections
740-548-0965 www.InPowerLLC.com Page ABS3 Owner’s Manual InPower LLC 8311 Green Meadows Drive Document: OM-215 Version Code: B 8 of 8 Lewis Center, Ohio 43035 USA Date: Jan 28, 2021 Date: Aug 9, 2021 740-548-0965 www.InPowerLLC.com © Copyright 2021 InPower LLC...
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