Specifications
Diversied Electronics 800.727.5646 atcdiversied.com
Diversied Electronics 800.727.5646 atcdiversied.com
CMI A S E
24Volts 24
120Volts 120
0.05to0.25ampadj. .25
0.2to1ampadj. 1
1.0to5.0ampsadj. 5
2.0to10ampsadj. 10
4.0to20ampsadj. 20
AC Over Current Monitor
TheACMonitorRelayoperatesinthe
astherelayisenergized(pick-up)whenthemonitored
ACcurrentisnormal.Therelayde-energizes(Drop-out)whenthe
monitoredcurrentrisesabovethepresettrippointorthecontrolvolt-
ageisremoved.Whencurrentisinitiallyapplied,atimedelaybegins.
Thisinhibitstheovercurrentsensorswhilehighinrushcurrentsare
present.Thedelayisfieldadjustableandissetsothedelayperiod
isslightlylongerthantheinrushtimeofthemotor.Ifthemonitored
currentisabovethepresettrippointwhenthedelayelapses,therelay
de-energizes.(Figure1)Ifthecurrentdropstothenormalruncurrent
ofthemotorpriortothecompletionofthedelayperiod,therelay
remainsenergizeduntilthecurrentrisesabovethetrippoint,which
indicatesanabnormalcondition.Atthattimetherelaydeenergizesand
remainslocked-outuntiltheresetbuttonispressedorthecontrolvolt-
ageisinterrupted,andre-applied.(Figure2)Atypicalapplicationisfor
conveyorjamupdetection.
AnExternalCTmaybeusedtoextendtherangeoftheCurrentMonitor.
24or120VAC/VDC,50/60Hz
Pick-up SeeOrderInformation
Drop-out PressResetButtonor
RestoreControlVoltage
DPDT,10Amps@120VAC,Resistive
0.2to10SEC,AdjustableOnMotorStarting
50mSEC(AfterInitialDelayhasTimedOut)
20TimesNominalfor1Second
2500VoltsBetweenInputandAllOtherTerminals
GlowsonNormalCurrent
Manual,PressButtonorInterruptControlVoltage
100mSECAfterLock-Out
Operate 32°to131°F(0°to+55°C)
Storage -49°to185°F(-45°to+85°C)
LexanSurfaceMounted;#8-32ScrewTerminals
11oz.
FIGURE1
FIGURE2
FAILSAFEDETECTION
OFMOTORJAMUPS










