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Intellitec 0000839000 Bi-Directional Isolator Relay Delay - Dies  $63.97 

Intellitec's Bi-Directional Isolator Relay Delay - Diesel™



Intellitec's Bi-Directional Isolator Relay Delay - Diesel™ offers a new approach to charging batteries in an RV which uses an alternator. Adding a small dash-mounted switch will allow emergency starts of diesel engines, requiring up to 800 amps of starter current. Unlike proper systems that only allowed charging the RV battery from the engine's alternator, the Bi-Directional Isolator Relay Delay - Diesel™ chargers both batteries when either one is being charged. When the coach is being driven, both batteries will be charged from the engine's alternator. When the coach is plugged into shore power, both batteries will be charged from the converter. If neither battery is being charged, the batteries are fully isolated. The controller also senses heavy loads on either battery to prevent the wrong battery from being inadvertently discharged.

The unit is housed in a plastic enclosure for mounting in an engine compartment. To connect the two batteries together under proper conditions, it operates in combination with an intermittent duty solenoid, similar to ones used as diesel starter solenoids. In order to use this type solenoid for continuous duty, the controller will engage it with full voltage and then reduce the coil voltage to approximately 4 volts to hold it in.

The controller operates by sensing the voltages on both batteries. When either battery is being charged, the controller will close the isolator solenoid, connecting the two batteries together, charging them both. Anytime either battery voltage goes above 13.3 volts for approximately 5 seconds, the solenoid closes. (normal charging voltages are from approximately 13.8 to 14.4 volts.)

After the solenoid has been closed, the system continuous to sense the voltage. If the ignition switch is off and the battery voltage drops below 12.8 volts for approximately 5 seconds, the solenoid is opened to prevent the chassis battery from being discharged by the coach loads. This might occur when the converter is heavily loaded.

If the ignition switch is on, the control allows the voltage to drop below 12.0 volts for approximately 5 seconds, before the solenoid is opened to insure the alternator's full output is available for important chassis functions.



Specifications:
Standby Current Less than 2 milliamps
Ambient Temperature Range -40°C to +85°C
Normal Input Voltage Range 10 to 18 volts
Short Term Over Voltage Protection +26 volts
Reverse Voltage Protection -300 volts
Positive Voltage Spike Protection +150 volts
Operating Environment Out of direct weather
Coil Resistance 2.2 ohms minimum
Solenoid Type Eaton-Cutler-Hammer #6041H105 or Equivilent

Warranty Terms: 1 Year

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This product was added to our catalog on 08/26/2010.
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R & K Products 3750 Metropolis Lake Road West Paducah, KY 42086 Phone Toll Free: 877-503-9062
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