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

The Siemens SIRIUS 3RH2 series is a contactor relay used for switching the control signals in the control circuitThe operating voltage is 24 V DCThe design of the surge suppressor is integrated with varistorIt has a size S00The type of electrical connection for auxiliary contact is through spring terminalThe contactor relays have standard-compliant terminal designations and a reliable and time-saving connection technologyDue to the multiplication of outputs， simultaneous switching of several auxiliary circuits is possible and all contacts are available with positively driven operation for safety applicationsThe contactor relays are climate-resistant and have high contact reliabilityIt is approved for worldwide use e.gIEC and UL/CSA.Operating frequency is 50 to 60 Hz Protection class IP is IP20

The Siemens SIRIUS 3RH2 series is a coupling contactor relay used in railway for switching the control signals in the control circuitThe operating voltage is from 72 to 125 V DCThe design of surge suppressor is integrated with varistorIt has a size S00The type of electrical connection for auxiliary contact is through spring-type terminalThe contactor relays have standard-compliant terminal designations and a reliable and time-saving connection technologyDue to the multiplication of outputs， simultaneous switching of several auxiliary circuits is possible and all contacts are available with positively driven operation for safety applicationsThe contactor relays are climate-resistant and have high contact reliabilityIt is approved for worldwide use e.gIEC and UL/CSA.Operating frequency is 50 to 60 Hz Protection class IP is IP20