{"product_id":"siemens-circuit-breaker-screw-size-s0-1no-1nc-30-36a","title":"Siemens Circuit breaker, screw, size S0, 1NO + 1NC, 30 - 36A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\nThe Siemens 3RV2021-4PA15 is a SIRIUS 3RV series motor-protection circuit-breaker (manual motor starter) in size S0. It combines overload and short-circuit protection, with an adjustable thermal release and a built-in auxiliary switch, making it a compact all-in-one solution for motor protection and control in industrial installations.\n\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3-pole motor protection circuit breaker (size S0)\u003c\/li\u003e\n  \u003cli\u003eAdjustable overload current: 30 … 36 A\u003c\/li\u003e\n  \u003cli\u003eThermal overload release (Class 10) plus magnetic short-circuit release\u003c\/li\u003e\n  \u003cli\u003eIntegrated auxiliary switch (1 NO + 1 NC contacts)\u003c\/li\u003e\n  \u003cli\u003eRated operational voltage up to 690 V AC (20…690 V AC) \/ 50–60 Hz\u003c\/li\u003e\n  \u003cli\u003eScrew-type terminals for main and auxiliary circuits; top and bottom connection possible\u003c\/li\u003e\n  \u003cli\u003eDIN-rail mounting with screw + snap-on fixation for 35 mm standard rail\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions for space-efficient installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 3RV2021-4PA15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3RV motor-protection circuit breakers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoles (Main Circuit):\u003c\/strong\u003e 3 (3-pole)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverload Current Setting Range:\u003c\/strong\u003e 30 … 36 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Operating Voltage (Ue):\u003c\/strong\u003e 20 … 690 V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Operational Current (Ie):\u003c\/strong\u003e 36 A (at AC-3, 400 V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Motor Power (AC-3):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e230 V: 7.5 kW\u003c\/li\u003e\n      \u003cli\u003e400 V: 18.5 kW\u003c\/li\u003e\n      \u003cli\u003e500 V: 22 kW\u003c\/li\u003e\n      \u003cli\u003e690 V: 30 kW\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Switch Contacts:\u003c\/strong\u003e 1 NO + 1 NC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Contact Ratings (AC-15):\u003c\/strong\u003e 24 V: 2 A; 120–230 V: 0.5 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Contact Ratings (DC-13):\u003c\/strong\u003e 24 V: 1 A; 60 V: 0.15 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Breaking Capacity (Icu):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e240 V AC: 100 kA\u003c\/li\u003e\n      \u003cli\u003e400 V AC: 20 kA\u003c\/li\u003e\n      \u003cli\u003e500 V AC: 6 kA\u003c\/li\u003e\n      \u003cli\u003e690 V AC: 3 kA\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Operational Breaking Capacity (Ics):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e240 V AC: 100 kA\u003c\/li\u003e\n      \u003cli\u003e400 V AC: 10 kA\u003c\/li\u003e\n      \u003cli\u003e500 V AC: 3 kA\u003c\/li\u003e\n      \u003cli\u003e690 V AC: 2 kA\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Value (Magnetic Trip):\u003c\/strong\u003e 432 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip Class:\u003c\/strong\u003e Class 10 (thermal overload) + magnetic short-circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Voltage (Ui):\u003c\/strong\u003e 690 V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpulse Withstand Voltage (Uimp):\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDegree of Protection:\u003c\/strong\u003e IP20 (front, with terminals connected)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e DIN rail 35 mm (screw + snap-on)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (approx.):\u003c\/strong\u003e Height: 97 mm, Width: 45 mm, Depth: 97 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight (approx.):\u003c\/strong\u003e 0.425 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Ambient Temperature:\u003c\/strong\u003e –20 … +40 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage \/ Transport Temperature:\u003c\/strong\u003e –50 … +80 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompliant with international motor-protection and circuit-breaker standards (e.g. IEC \/ EN standard series for low-voltage motor protection devices)\u003c\/li\u003e\n  \u003cli\u003eBuilt-in auxiliary switch for control and signalling functions\u003c\/li\u003e\n  \u003cli\u003eDesigned for industrial, commercial and general motor-driven installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\nThe 3RV2021-4PA15 is ideal for protecting and controlling motors in industrial and commercial installations. Typical applications include motor protection for pumps, fans, compressors and conveyor systems, as well as integration into motor control panels and starter assemblies. Its adjustable overload setting and compact DIN-rail design make it suitable for a wide range of three-phase motor control tasks where both overload and short-circuit protection are required in a single device.\n\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775071596608,"sku":"3RV2021-4PA15","price":2717.46,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RV2021-4PA15.jpg?v=1764148760","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-circuit-breaker-screw-size-s0-1no-1nc-30-36a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}