Specifications

Diversied Electronics 800.727.5646 atcdiversied.com
Diversied Electronics 800.727.5646 atcdiversied.com
 CMI A S E

24Volts 24
120Volts 120

0.05to0.25ampadj. .25
0.2to1ampadj. 1
1.0to5.0ampsadj. 5
2.0to10ampsadj. 10
4.0to20ampsadj. 20


AC Over Current Monitor
TheACMonitorRelayoperatesinthe
astherelayisenergized(pick-up)whenthemonitored
ACcurrentisnormal.Therelayde-energizes(Drop-out)whenthe
monitoredcurrentrisesabovethepresettrippointorthecontrolvolt-
ageisremoved.Whencurrentisinitiallyapplied,atimedelaybegins.
Thisinhibitstheovercurrentsensorswhilehighinrushcurrentsare
present.Thedelayisfieldadjustableandissetsothedelayperiod
isslightlylongerthantheinrushtimeofthemotor.Ifthemonitored
currentisabovethepresettrippointwhenthedelayelapses,therelay
de-energizes.(Figure1)Ifthecurrentdropstothenormalruncurrent
ofthemotorpriortothecompletionofthedelayperiod,therelay
remainsenergizeduntilthecurrentrisesabovethetrippoint,which
indicatesanabnormalcondition.Atthattimetherelaydeenergizesand
remainslocked-outuntiltheresetbuttonispressedorthecontrolvolt-
ageisinterrupted,andre-applied.(Figure2)Atypicalapplicationisfor
conveyorjamupdetection.
AnExternalCTmaybeusedtoextendtherangeoftheCurrentMonitor.
 24or120VAC/VDC,50/60Hz
 Pick-up SeeOrderInformation
Drop-out PressResetButtonor
RestoreControlVoltage
 DPDT,10Amps@120VAC,Resistive
 0.2to10SEC,AdjustableOnMotorStarting
 50mSEC(AfterInitialDelayhasTimedOut)
 20TimesNominalfor1Second

 2500VoltsBetweenInputandAllOtherTerminals
 GlowsonNormalCurrent
 Manual,PressButtonorInterruptControlVoltage
 100mSECAfterLock-Out
 Operate 32°to131°F(0°to+55°C)
 Storage -49°to185°F(-45°to+85°C)
 LexanSurfaceMounted;#8-32ScrewTerminals
 11oz.
FIGURE1
FIGURE2
FAILSAFEDETECTION
OFMOTORJAMUPS