{"product_id":"siemens-motor-protection-circuit-breaker-spring-terminal-4-5-6-3a","title":"Siemens Motor protection circuit breaker, spring terminal, 4.5-6.3A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens SIRIUS 3RV2021-1GA20 is a size S0 motor protection circuit breaker (Class 10) designed for switching and protecting three-phase motors. It features an adjustable thermal overload release (4.5 – 6.3 A) and a magnetic short-circuit release rated at 82 A, with spring-type terminals and a compact design for control panels and automation systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass 10 Trip Behaviour:\u003c\/strong\u003e Reliable motor protection under overload conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Overload Range:\u003c\/strong\u003e 4.5 – 6.3 A for flexible motor current settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Release:\u003c\/strong\u003e Fixed at 82 A for high fault current protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e S0 compact footprint for DIN-rail or panel installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e Spring-type terminals for quick, secure wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Capacity:\u003c\/strong\u003e Suitable for demanding motor feeder applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Capability:\u003c\/strong\u003e Operation up to 690 V AC\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\u003eProduct Series:\u003c\/strong\u003e SIRIUS 3RV2 Motor Protection \/ Circuit Breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e S0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 (three-pole switching)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverload Setting Range:\u003c\/strong\u003e 4.5 – 6.3 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Trip (N-Release):\u003c\/strong\u003e 82 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Withstand Voltage:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e –20 °C to +60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loss (Typical):\u003c\/strong\u003e 7.25 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20 (front)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Snap-on or screw to 35 mm DIN rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE Marking:\u003c\/strong\u003e Complies with EU Low Voltage and Machinery Directives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Manufactured under Siemens substance-restriction policy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWEEE Directive:\u003c\/strong\u003e Take-back obligations apply in EU markets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e Meets IEC\/EN 60947-2 and IEC 60947-4-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for manual motor starter applications, feeder protection in motor control centres, and industrial automation panels. Commonly used for switching and protecting three-phase motors in manufacturing, packaging, material handling, and machine-tool systems where compact, reliable protection is essential.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775103283264,"sku":"3RV2021-1GA20","price":832.54,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RV2021-1GA20.jpg?v=1761129741","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-motor-protection-circuit-breaker-spring-terminal-4-5-6-3a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}