Specifications

– 5 – ETAsys.com
Specifications are subject to change without notice.
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INTRODUCTION
ThankyouforpurchasingtheETASystemsETA-ECS3ACPowerSequencerandConditioner.TheETA-ECS3hasbeendesignedto
meet most installation requirements for AC power distribution and equipment power protection. The 15A compact 1RU unit features
three sequential timing sections that can be activated via the unit, or remotely. Front panel activation is via a momentary switch, while
rear activation is via a momentary contact closure, or by 5-24VDC trigger feed. AC Mains Voltage can be monitored via the front panel
fromtheprecisionDigitalVoltMeter.Tolightyourrack,theETA-ECS3hasincorporatedafrontpanelpull-outdimmableLEDtubelight.
TherearoftherackcanbeilluminatedbytheoptionalAtlasPower16"gooseneckLEDlamp,AP-GNL18,connectedviaanXLRstyle
socket.LEDlampsarefarsuperiorinlongevityalongwithheatreductionwhencomparedtotraditionalincandescentlampsandthe
XLRbasemountsarealsosuperiortothecommonlyusedBNCtypebase.Ifa15AACMainspowersourceisnotenoughtomeetthe
amperagedemandofyoursystem,theETA-ECS3providesasequenced24VDCoutputthatcanbeusedtotriggerotherdevicessuch
astheETASystemsETA-20SH20AstandaloneACpowermodule.
TheETA-ECS3alsofeaturesnoisefilteringforunwantedRadioFrequencyInterference(RFI)thatarecommonlyintroducedintotheAC
linesbynearbyradiotransmittersorwirelessproducts.EMIfiltersareincorporatedtoreducenoisefromElectromagneticInterference
(EMI)fromsuchitemsaselectricmotorsandswitchingpowersupplies.Thebenefitofthesefilterscanbeseenonvideoproductsor
audibly by reducing static pops and external signal interference.
Unstable AC Mains voltage is one of the main reasons for equipment failure. AC Spikes, or Transients, are commonly caused by
lightning storms or utility power plant grid switchovers. The amount of energy that can be injected into the power system can be
immense with voltages reaching 6kV or amperage peaks of 3000A. These spikes are very fast and usually only last for a very short
periodoftime.Toprotectagainstthispotentialproblem,theETA-ECS3featuresDualClampingSuppressiontechnology(DCS).Ifa
spikeintrudestheACsystem,theETA-ECS3incomingACMainshasspecialsuppressioncircuitrytoeliminatetheunwantedenergy
and in the unlikely event of any energy getting passed the first stage, each sequenced output section has redundant DCS circuitry
clamping the unwanted energy. This circuitry is very fast and can suppress unwanted energy within a nanosecond, while sustaining the
suppression up to 2 milliseconds, thus ensuring virtually trouble free protection.
High and low AC Main line voltages are another major contributor to equipment failures. High line can also be known as surges.
Surges usually are a slower steady state rise in voltages ranging from 128VAC and up. They can be caused from fluctuations from the
utilitycompany'spowerlinesorindustrialequipmentturningonandoffonthesamepowerlegofthebuilding'sincomingAC.Low
line is also known as brownouts. This happens when the AC Mains drops below 107VAC. Most of the time it is caused by the utility
company not being able to supply enough power during heavy utility consumption time periods, such as heat waves. Another factor
wouldbefromvoltagedropsinAClinesduetolongtransmissions.TheETA-ECS3willnotonlyinformyouifoneoftheseconditions
occurs, but under extreme variances in the AC Mains, it will shut the power to the equipment off. The Abnormal Voltage indicator on
the front panel will flash if the AC Mains is between 101VAC and 107VCA or 128VAC and 132VAC. This is to inform you that a surge
occurred and may have damaged voltage sensitive equipment. If an extreme voltage swing occurs below 101VAC or above 132VAC,
theETA-ECS3ExtremeVoltageShutdown(EVS)protectioncircuitwillautomaticallyactivateandturnalloutletsoffuntilitismanually
reset.
TheETA-ECS3offerssequencedpowermanagementcontrol,alongwithnoisefilteringandspike/surgeprotectionmakingitthemost
compact, effective power management protection system on the market today.
ETA-ECS3
Power Sequencer & Conditioner