{"product_id":"siemens-circuit-breaker-for-motor-protection-screw-size-s0-1","title":"Siemens Circuit breaker for motor protection, screw, size S0","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RV2021-1HA10 is a SIRIUS 3RV2 motor protection circuit breaker designed to protect three-phase motors against overloads, short circuits, and phase failure. It combines a manual rotary ON\/OFF operating mechanism with a thermal-magnetic trip unit featuring a Class 10 overload characteristic. With an adjustable current setting range of 5.5 A to 8 A, this device provides precise and reliable motor protection in industrial control and automation applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSIRIUS 3RV2 motor protection circuit breaker\u003c\/li\u003e\n\u003cli\u003eThermal-magnetic trip unit with Class 10 overload characteristic\u003c\/li\u003e\n\u003cli\u003eAdjustable current setting range from 5.5 A to 8 A\u003c\/li\u003e\n\u003cli\u003e3-pole design for full three-phase motor protection\u003c\/li\u003e\n\u003cli\u003eManual rotary ON\/OFF operating mechanism\u003c\/li\u003e\n\u003cli\u003ePhase-failure sensitive thermal release\u003c\/li\u003e\n\u003cli\u003eScrew terminals for secure main circuit connections\u003c\/li\u003e\n\u003cli\u003eExpandable with auxiliary contacts and accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RV2021-1HA10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3RV2 Motor Protection Circuit Breakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Current Range:\u003c\/strong\u003e 5.5 A – 8 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Class:\u003c\/strong\u003e Class 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage:\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage:\u003c\/strong\u003e up to 690 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Frequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Withstand Voltage:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Endurance:\u003c\/strong\u003e approx. 100,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance:\u003c\/strong\u003e approx. 100,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail or panel mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase Loss Sensitivity:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned in accordance with IEC and EN standards for low-voltage protective devices\u003c\/li\u003e\n\u003cli\u003eMeets Siemens requirements for motor protection and switching devices\u003c\/li\u003e\n\u003cli\u003eSuitable for industrial and commercial motor control applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RV2021-1HA10 motor protection circuit breaker is used for the protection and manual switching of three-phase motors such as pumps, fans, compressors, and conveyors. It is commonly installed in motor control centers, automation panels, and industrial distribution boards where reliable overload and short-circuit protection combined with compact design is required.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775031259200,"sku":"3RV2021-1HA10","price":1032.44,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/G_NSA0_XX_93065I_83aab8de-dd0d-4796-907b-8f34accb90a0.jpg?v=1765454030","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-circuit-breaker-for-motor-protection-screw-size-s0-1","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}