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AC Transient Voltage Surge Suppression
The IT-Reference 16E i is capable of suppressing virtually any instantaneous voltage surge from lightning or commercial power
companies. This is due in part to the mammoth reactive elements in the IT-Reference 16E i's AC Power Factor Technology
circuitry. Further, the circuit is not easily damaged by huge instantaneous peaks of voltage, so there are no parts to fix or replace
after a transient voltage surge incident. It should be noted, however, that there is no continuous over-under voltage circuitry
or regulation within the design. For the IT-Reference 16E i's intended user, these features are typically not necessary. If your
specific application requires AC regulation, over-under voltage power shut-down, or sequenced power distribution, there is a
full line of Furman products to meet these requirements.
Extreme Voltage Shutdown Indicator
This LED is normally off. It monitors AC wiring faults – for example, accidental connection to an open neutral (in some countries)
could put well over 300 VAC RMS onto the mains outlet. When the Extreme Voltage Shutdown (EVS) circuit senses voltages that
are so high that operation would be impossible, it shuts the power down before damage can occur. Upon initially applying
power to these units, the Extreme Voltage indicator LED will light if the input voltage is above the extreme voltage cutoff, and
power will not be applied to the unit's outlets. If the unit has been operating with an acceptable input voltage and subsequently
that voltage exceeds 270 VAC, it will shut off power to the outlet and the Extreme Voltage LED will light.
Note: If the mains power is above the high cutoff voltage and has caused the unit to remove power from its outlets, it cannot restore
power without the operator manually turning the unit off, then on again. Avoid turning the unit back on without first checking the
source of the problem, and perhaps changing the AC source.
Satellite – Cable Transient Voltage Surge Suppressors
The IT-Reference 16E i features transient voltage surge suppression for cable or satellite lines utilizing standard coaxial
connectors. As these surge suppressors are in-line, they will require an additional cable to connect from their output to the
control device requiring protection.
All in-line surge suppressors feature our exclusive ground contamination free technology. This aids in eliminating audio buzzing,
and the video hum-bars that can result from typical in-line suppressors. Further, our cable and satellite suppressors are
TiVO
/DVR friendly as well as HD digital television ready. Both DC carrier signals as well as high bandwidth signals can pass
®
through our circuit. In fact the bandwidth is less than 0.1dB loss at 1GHz!
To connect your cabling to these in-line protectors, simply follow the in and out indications marked next to the Cable and
Satellite Connectors.
Note: It is not possible to make an in-line cable or satellite protector "maintenance-free" (non-sacrificial) as we have accomplished
with the 230 VAC line. This would necessitate limited signal bandwidth that would not allow the signal to pass. Under extreme
conditions, it is possible that the surge suppression in one of these devices could sacrifice itself after a catastrophic event. If the cable or
satellite connector becomes deformed in any way due to an extreme lightning strike, please contact your local service representative,
installer or Furman Authorized service center.
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