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

The Siemens SIRIUS 3RB series is a solid-state overload relay for inverse-time delayed protection of loads with normal and heavy starting against excessive temperature rises due to overload， phase unbalance or phase failure which has a current rating up to 25 AIt has manual or automatic reset switch functionalityIt has a size S0It can be mounted with contactor mountingThe type of electrical connection for main circuit and for auxiliary circuit is through screw-type terminalDue to the wide current setting ranges and various tripping characteristics， complete series of motors are covered with just a few typesIt has low heat loss which makes it energy-efficient and help to reduce the temperature rise in the control cabinet.Ambient operating temperature is -25 to +60℃ Operating frequency is 50 to 60 Hz Trip class is CLASS 20E

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

The Siemens SIRIUS 3RB series is a manual-automatic reset solid-state overload relay for inverse-time delayed protection of loads with normal and heavy starting against excessive temperature rises due to overload， phase unbalance or phase failureIt has a size S00It can be mounted with contactor mountingThe type of electrical connection for main circuit and for auxiliary circuit is through screw-type terminalDue to the wide current setting ranges and various tripping characteristics， complete series of motors are covered with just a few typesIt has low heat loss which makes it energy-efficient and help to reduce the temperature rise in the control cabinet.Ambient operating temperature is -25 to +60℃ Operating frequency is 50 to 60 Hz Trip class is CLASS 10E

TheSiemensSIRIUS3TH4seriesisacontactorrelayforswitchingthecontrolsignalsinthecontrolcircuitIthasoperatingvoltageof220VACThecontactorrelayshavestandard-compliantterminaldesignationsandareliableconnectiontechnologyThetypeofelectricalconnectionforauxiliaryandcontrolcurrentcircuitisthroughscrewterminalDuetomultiplicationofoutputs，simultaneousswitchingofupto10auxiliarycircuitsispossibleThecontactsaredesignedwithpositivelydrivenoperationforsafetyapplicationsaswellasSUVAversionsThedevicesareclimate-resistantandhaveahighcontactreliabilityItisapprovedforworldwideusee.gIECandUL/CSA.ProtectionclassIPisIP20Ambientoperatingtemperatureis-25to+55℃

TheSiemensSIRIUS3RBseriesisasolid-stateoverloadrelayforinverse-timedelayedprotectionofloadswithnormalandheavystartingagainstexcessivetemperaturerisesduetooverload，phaseunbalanceorphasefailurewhichhasacurrentratingupto1.2AIthasmanualorautomaticresetswitchfunctionalityIthasasizeS0ItcanbemountedwithcontactormountingThetypeofelectricalconnectionformaincircuitandforauxiliarycircuitisthroughscrew-typeterminalDuetothewidecurrentsettingrangesandvarioustrippingcharacteristics，completeseriesofmotorsarecoveredwithjustafewtypesIthaslowheatlosswhichmakesitenergy-efficientandhelptoreducethetemperatureriseinthecontrolcabinet.Ambientoperatingtemperatureis-25to+60℃Operatingfrequencyis50to60HzTripclassisCLASS10E