EVTD – EV SEriES VariSTor (ThErmal DiSconnEcT)
EVTD Technology (Thermally Protected Varistor)
Features
•ꢀ Highꢀenergyꢀhandlingꢀcapability
•ꢀ Wideꢀvoltageꢀrangeꢀavailable:ꢀ50VACꢀ–ꢀ550VAC
•ꢀ Multipleꢀdiagnosticꢀoptionsꢀ(micro-switchꢀlocationsꢀbothꢀonꢀtopꢀ&ꢀbottom,ꢀ
ꢀ
onꢀtopꢀonlyꢀorꢀonꢀbottomꢀonly)
•ꢀ Industryꢀstandardꢀfootprint
•ꢀ UL1449ꢀandꢀCULꢀ3rdꢀEditionꢀrecognized.ꢀFileꢀ#E321567*.ꢀAllꢀvaluesꢀpresentlyꢀrecognizedꢀexceptꢀEVTD34V300Kꢀ
ꢀ
andꢀmicro-switchꢀlocationꢀoptionꢀ“C”ꢀ(inꢀpositionꢀ(6)ꢀseeꢀbelowꢀPartꢀNumberingꢀSystem),ꢀwhichꢀisꢀpending.
•ꢀ RoHSꢀcompliant
•ꢀ Exceedsꢀindustryꢀstandardꢀoperatingꢀandꢀstorageꢀtemperaturesꢀforꢀthisꢀtypeꢀofꢀdevice.ꢀ
ꢀ
Ratedꢀatꢀ-40ºCꢀtoꢀ+85º.
•ꢀ PatentꢀPending.ꢀExceptꢀforꢀoptionꢀ“C”,ꢀwhichꢀisꢀpending.ꢀ(Seeꢀbelowꢀinꢀpositionꢀ(6)ꢀPartꢀNumberingꢀSystem).
Part Numbering System
EVTD 34 V 50 K A S C
–––– –– –– –– –– –– –– ––
(1)
(2) (3) (4) (5) (6) (7) (8)
ꢀ
(1) Seriesꢀ
(6) Micro-switch Location Option
Nilꢀ=ꢀTopꢀandꢀBottomꢀ
Aꢀ=ꢀTopꢀonlyꢀ
ꢀ
EVTD= EVꢀSeriesꢀVaristorꢀTDꢀThermalꢀDisconnectꢀ
ꢀ
(2) Disk Sizeꢀꢀ
34ꢀ=ꢀ34mm
Bꢀ=ꢀBottomꢀonlyꢀ
Cꢀ=ꢀTopꢀcenterꢀonly
ꢀ
ꢀ
(7) Micro-switch Lead Length Option
(for “C” location only)
(3) Type ꢀ
ꢀ
Vꢀ=ꢀHighꢀCurrentꢀEVꢀVaristorꢀSeries
Nilꢀ=ꢀStandardꢀLongꢀLeadꢀ(11mmꢀ±ꢀ1mm)ꢀ
Sꢀ=ꢀShortꢀLeadꢀ(5mmꢀ±ꢀ0.5mm)
(4) AC RMS Voltage Rating ꢀ
ꢀ
50ꢀ=ꢀ50VAC
(8) Micro-switch Function Option
Nilꢀ=ꢀNormallyꢀOpenꢀ
(5) Toleranceꢀꢀ
Kꢀ=ꢀ 10%
Cꢀ=ꢀNormallyꢀClosed
ꢀ
*NOTE:ꢀRecognizedꢀandꢀApprovedꢀtoꢀUL1449ꢀasꢀaꢀ4ꢀsurgeꢀprotectiveꢀdeviceꢀcomponentꢀassemblyꢀforꢀtypeꢀ2ꢀ
applications,ꢀandꢀnotꢀlistedꢀasꢀaꢀSurgeꢀProtectiveꢀDeviceꢀ(thisꢀisꢀpending).
EVTD’sꢀareꢀintended,ꢀinꢀconjunctionꢀwithꢀappropriateꢀenclosureꢀdesign,ꢀtoꢀhelpꢀfacilitateꢀTVSSꢀmoduleꢀcomplianceꢀ
toꢀUL1449.ꢀUnderꢀextremeꢀabnormalꢀover-voltageꢀconditions,ꢀsomeꢀunitsꢀwillꢀexhibitꢀsubstantialꢀheating,ꢀarcingꢀandꢀ
ventingꢀpriorꢀtoꢀopening.ꢀModulesꢀshouldꢀbeꢀdesignedꢀtoꢀcontainꢀthisꢀpossibility.
World Products, LLC 19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Rev. 2.0
2 | EVTD – EV Series Varistor (Thermal Disconnect)
WPI [ World Produts Inc. ]
