{"product_id":"siemens-circuit-breaker-for-motor-protection-size-s2-32-40a","title":"Siemens Circuit breaker for motor protection, size S2, 32-40A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RV2031-4UB10 is a SIRIUS 3RV2 motor protection circuit breaker, size S2, designed to protect three-phase motors from overload and short-circuit faults. It features an adjustable overload release range of 32 to 40 A and a fixed instantaneous short-circuit release of 585 A. With a rated operational current of 40 A (AC-3 at 400 V) and motor power capacity up to 37 kW at 690 V, it provides reliable motor control and protection in industrial environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor protection circuit breaker from the Siemens SIRIUS 3RV2 series\u003c\/li\u003e\n\u003cli\u003eSize S2 device with rated current up to 40 A (AC-3, 400 V)\u003c\/li\u003e\n\u003cli\u003eAdjustable overload release range: 32 – 40 A\u003c\/li\u003e\n\u003cli\u003eFixed instantaneous short-circuit release: 585 A\u003c\/li\u003e\n\u003cli\u003eHigh switching capacity suitable for demanding industrial motor applications\u003c\/li\u003e\n\u003cli\u003eCompact design for DIN rail or panel mounting\u003c\/li\u003e\n\u003cli\u003e3-pole configuration for three-phase motor protection\u003c\/li\u003e\n\u003cli\u003eScrew-type terminal connections for secure and durable wiring\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RV2031-4UB10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e S2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Current (AC-3, 400 V):\u003c\/strong\u003e 40 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Overload Release (Ir):\u003c\/strong\u003e 32 – 40 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstantaneous Short-Circuit Release:\u003c\/strong\u003e 585 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Motor Power (AC-3):\u003c\/strong\u003e 11 kW at 230 V, 18.5 kW at 400 V, 37 kW at 690 V\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 Voltage Resistance:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class (Front):\u003c\/strong\u003e IP20\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\u003eDimensions (H × W × D):\u003c\/strong\u003e 140 mm × 55 mm × 149 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e DIN rail or panel mounting\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\u003eManufactured under Siemens SIRIUS industrial standards for motor protection\u003c\/li\u003e\n\u003cli\u003eComplies with IEC\/EN 60947 for low-voltage switchgear and controlgear\u003c\/li\u003e\n\u003cli\u003eTested for high breaking capacity and long operational life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for use in industrial automation and control systems requiring dependable motor protection. Commonly used in motor control centres, machinery, pumps, compressors, and conveyor systems, where reliable overload and short-circuit protection ensures safe operation and minimal downtime.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775086440512,"sku":"3RV2031-4UB10","price":3584.7,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RV2031-4UB10.jpg?v=1762866431","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-circuit-breaker-for-motor-protection-size-s2-32-40a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}