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Kussmaul Auto Isolator
Cat. No. K-091-139-
Weight 3 lbs

The Auto Isolator I detects when a vehicles alternator is charging the battery and then closes a solenoid operated switch to additionally charge an auxiliary battery. When the engine is stopped, the solenoid opens to isolate the batteries. Upon "cranking" the engine with a charged auxiliary battery, the solenoid is energized to parallel the batteries and provide a starting boost. If the auxiliary battery is low, the batteries are not paralleled.

Since the auxiliary battery is charged through a solenoid-operated switch rather than an isolation diode, the auxiliary battery is fully charged. The .7 volt diode drop is eliminated, as is the power dissipation in the diode. The system therefore is more efficient. The starting boost provided by the parallel batteries is especially useful in cold weather or when the main battery is low.

Replaces Diode Isolator in 2 Battery System
High Efficiency, No Diode Drop
Automatically Maintains Charge in Auxiliary Battery
Provides Boost on Starting by Paralleling Batteries


Specifications:
Controller, Model # 091-139-CONT12:
Volts to parallel: 13.0 Vdc, field adjustable
Battery load: .000125 amps
Output current: 3 amps max.
Weight: .5 lbs
 
Solenoid, Model # 091-139-SOL12HO:
Volts: 12 Vdc
Coil current: .45 amps
Contact rating: 200 amps cont. / 600 amps surge
Weight: 2.0 lbs
 
 outline drawing 091-139-cont-12 outline drawing 091-139-sol-12ho
Datasheet.pdf (484 Kb)
Instruction Manual.pdf (122 Kb)


Model:






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