Intellitec Big Boy Isolator Relay
Intellitec.s Isolator Relays are specifically designed to be used to
isolate two battery systems. In this application, these relays are
required to operate with almost no voltage across their contacts and
carry currents ranging from milliamps to hundreds of amps. These relays
have been designed and are built to meet these demanding conditions.
The 100 amp Isolator Relay is designed for most common gasoline
engines, while the 200 amp Isolator Relay is designed for heavier duty
applications.
The Isolator Relay provides a simple, reliable, and cost effective
means of isolating two battery systems. It is installed between the two
batteries, connecting them together for charging. The 100 amp unit can
be switched manually through a dash-mounted switch or coupled with one
of Intellitec's Isolator controls for fully automatic functioning. The
200 amp version is not a continuous duty unit and requires an
Intellitec Isolator - diesel controller to prevent it from overheating
when it is used for continuous duty. A momentary, dash-mounted switch
can also be added to provide a "jump start" for the engine, from the
auxiliary battery.
In a battery charging situation, both batteries may be fully charged
and at equal voltages. At that time, there is no voltage across the
contacts.
The relay's contacts must close and provide a low resistance without
the benefit of any arcing for cleaning. To be sure these relays can
perform under these harsh conditions, the contacts are protected with a
unique antioxidant coating.
In a jump start environment, the relay may have to deliver the full
starting current of the engine. These relays, with their heavy
construction, can easily deliver the needed current. The Isolator
Relays are ignition protected, so they can safely be mounted in a
convenient place near the battery. They can be mounted in any
orientation and are immune to harsh shake and vibration found in the
vehicle environment.
Intellitec’s new 200Amp Battery Disconnect relay operates on the same
principles as Intellitec’s 100Amp version that has been used by the
industry for over ten years. These relays are covered by Patent No.
4,628,289. It is intended to be used in larger vehicles where the
continuous current draw can be larger than 100 Amps. This relay can
also handle heavy starter currents of large diesel engines.
Specifications:
Part Number 77-90000-120
Nominal Actuation Voltage 12 Volts
Actuation Current 5.6 Amps
Continuos Duty Yes
Minimum Actuation Voltage 9 Volts
Maximum Continuous Carry Current 200 Amps
Maximum Short Term Current (30 Sec) 1200 Amps
Maximum Ambient Temperature +85 C
Minimum Ambient Temperature -40 C
Contact Life at Full Load Minimum of 10,000 Cycles
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