{"product_id":"siemens-overload-relay-for-motor-protection-size-s00-2-2-3-2a-1","title":"Siemens Overload relay for motor protection, size S00, 2.2 - 3.2A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RU2116-1DB1 is a thermal overload relay from the SIRIUS 3RU2 series (size S00), designed to provide overload and motor-protection for three-phase motors. It offers adjustable thermal overload protection (2.2…3.2 A), supports screw-terminal wiring, includes auxiliary contacts (1 NO + 1 NC) for signaling or control feedback, and is suitable for use with S00-size contactors. It is ideal for motor circuits requiring reliable overload protection and status signalling.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThermal overload relay, SIRIUS 3RU2 series, size S00\u003c\/li\u003e\n\u003cli\u003eAdjustable overload release current: 2.2 … 3.2 A\u003c\/li\u003e\n\u003cli\u003eSupports three-phase motors (3 poles) with operating voltage up to 690 V AC\u003c\/li\u003e\n\u003cli\u003eTrip class: Class 10 — suitable for standard motor starting loads\u003c\/li\u003e\n\u003cli\u003eIntegrated auxiliary contacts: 1 NO + 1 NC for “tripped” signalling or contactor control\u003c\/li\u003e\n\u003cli\u003eScrew-terminal connections — both for main and auxiliary circuits\u003c\/li\u003e\n\u003cli\u003eBoth manual and automatic reset possible\u003c\/li\u003e\n\u003cli\u003eWide ambient operating temperature range: –40 °C to +70 °C\u003c\/li\u003e\n\u003cli\u003eCompact dimensions — suitable for control-cabinet or motor-starter assembly\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 3RU2116-1DB1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e SIRIUS 3RU2, overload relay, size S00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles (Main Circuit):\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Overload Release Current:\u003c\/strong\u003e 2.2 … 3.2 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operating Voltage:\u003c\/strong\u003e Up to 690 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Power Rating (AC-3):\u003c\/strong\u003e 1.1 kW at 400 V, 1.5 kW at 500 V, 2.2 kW at 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 1 × NO + 1 × NC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contact Ratings (AC-15):\u003c\/strong\u003e up to 3 A (24–125 V), 2 A at 230 V, 1 A at 400 V, 0.75 A at 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contact Ratings (DC-13):\u003c\/strong\u003e up to 2 A at 24 V DC; 0.11 A at 220 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset Function:\u003c\/strong\u003e Manual or automatic reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Terminals:\u003c\/strong\u003e Screw-type for main and auxiliary circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectable Conductor Cross-Section (Main):\u003c\/strong\u003e 0.5–4 mm² (depending on conductor type)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Stand-alone installation (mount next to\/with appropriate contactor size S00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e –40 °C … +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage \/ Transport Temperature:\u003c\/strong\u003e –55 °C … +80 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation \/ Surge Withstand Voltage:\u003c\/strong\u003e 690 V insulation; 6 kV surge withstand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensional Envelope (approx.):\u003c\/strong\u003e Height 89 mm × Width 45 mm × Depth 80 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class (front):\u003c\/strong\u003e IP20 (finger-safe, with vertical contact from front)\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\u003eConforms to SIRIUS 3RU2 thermal motor-protection series standards\u003c\/li\u003e\n\u003cli\u003eSuitable for motor protection per IEC\/EN low-voltage motor-protection norms\u003c\/li\u003e\n\u003cli\u003eAuxiliary contacts suitable for signaling and control circuits under AC and DC loading — compliant with standard AC-15 \/ DC-13 contact rating norms\u003c\/li\u003e\n\u003cli\u003eInsulation and surge-voltage ratings compliant with industrial switchgear requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3RU2116-1DB1 overload relay is used to protect small to medium three-phase motors (e.g. pumps, fans, conveyors, compressors) against overload and phase-failure currents. It is typically combined with a compatible S00-size contactor to form a complete motor starter. The integrated NO\/NC auxiliary contacts allow status feedback or interlock functions — for example warning lights, control signals to PLCs, or automatic disconnection logic upon trip. Its wide ambient temperature range and compact size make it suitable for control-cabinet integration in factories, process plants, HVAC systems, and general industrial automation installations.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775040794688,"sku":"3RU2116-1DB1","price":878.54,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RU2116-1DB1.jpg?v=1764761781","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-overload-relay-for-motor-protection-size-s00-2-2-3-2a-1","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}