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The Siemens SIRIUS 3TH4 series is a contactor relay for switching the control signals in the control circuit。It has operating voltage of 220 to 264 V AC。The contactor relays have standard-compliant terminal designations and a reliable connection technology。The type of electrical connection for auxiliary and control current circuit is through screw terminal。Due to multiplication of outputs， simultaneous switching of up to 10 auxiliary circuits is possible。The contacts are designed with positively driven operation for safety applications as well as SUVA versions。The devices are climate-resistant and have a high contact reliability。It is approved for worldwide use e.g。IEC and UL/CSA.Protection class IP is IP20 Ambient operating temperature is -25 to +55℃

TheSiemensSIRIUS3RBseriesisasolid-stateoverloadrelayforinverse-timedelayedprotectionofloadswithnormalandheavystartingagainstexcessivetemperaturerisesduetooverload，phaseunbalanceorphasefailurewhichhasacurrentratingupto1.2A。Ithasmanualorautomaticresetswitchfunctionality。IthasasizeS0。Itcanbemountedwithcontactormounting。Thetypeofelectricalconnectionformaincircuitandforauxiliarycircuitisthroughscrew-typeterminal。Duetothewidecurrentsettingrangesandvarioustrippingcharacteristics，completeseriesofmotorsarecoveredwithjustafewtypes。Ithaslowheatlosswhichmakesitenergy-efficientandhelptoreducethetemperatureriseinthecontrolcabinet.Ambientoperatingtemperatureis-25to+60℃Operatingfrequencyis50to60HzTripclassisCLASS10E

TheSiemensSIRIUS3TH4seriesisacontactorrelayforswitchingthecontrolsignalsinthecontrolcircuit。Ithasoperatingvoltageof220VAC。Thecontactorrelayshavestandard-compliantterminaldesignationsandareliableconnectiontechnology。Thetypeofelectricalconnectionforauxiliaryandcontrolcurrentcircuitisthroughscrewterminal。Duetomultiplicationofoutputs，simultaneousswitchingofupto10auxiliarycircuitsispossible。ThecontactsaredesignedwithpositivelydrivenoperationforsafetyapplicationsaswellasSUVAversions。Thedevicesareclimate-resistantandhaveahighcontactreliability。Itisapprovedforworldwideusee.g。IECandUL/CSA.ProtectionclassIPisIP20Ambientoperatingtemperatureis-25to+55℃

The Siemens SIRIUS 3TH4 series is a contactor relay for switching the control signals in the control circuit。It has operating voltage of 42 V AC。The contactor relays have standard-compliant terminal designations and a reliable connection technology。The type of electrical connection for auxiliary and control current circuit is through screw terminal。Due to multiplication of outputs， simultaneous switching of up to 10 auxiliary circuits is possible。The contacts are designed with positively driven operation for safety applications as well as SUVA versions。The devices are climate-resistant and have a high contact reliability。It is approved for worldwide use e.g。IEC and UL/CSA.Protection class IP is IP20 Ambient operating temperature is -25 to +55℃