{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RB2015-1RB0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RB2015-1RB0","canonicalUrl":"https://aoctrl.com/siemens/3RB2015-1RB0","factsUrl":"https://aoctrl.com/api/mcp/products/3RB2015-1RB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS, solid-state overload relay, 3-pole, Class 10E, 690 V AC-3, screw terminals, IP20, contactor mounting size S00.","salesMarkdown":"The Siemens 3RB2015-1RB0 is a SIRIUS solid-state overload relay for three-phase motor circuits. The operating voltage is rated up to 690 V AC-3 (with degree of pollution 3), so it can be used in 400 V and 690 V line supplies — common in European and North American industrial panels. The auxiliary contact block provides 1 NO + 1 NC contact, enough to signal a trip to a PLC or drop out a holding circuit. The relay is designed for contactor mounting — it clips onto a SIRIUS S00 contactor without additional wiring between the overload and contactor power terminals. Dimensions are 73 mm deep, 45 mm wide, 64 mm high, and it fits any mounting position. Clearance of 6 mm is required at the side for heat dissipation; zero clearance is needed upwards, forwards, or backwards. That is a tight footprint for a motor starter assembly. This part carries ATEX approval (PTB 06 ATEX 3001 Ex II (2) GD) for use in potentially explosive atmospheres — specifically for motors in gas and dust zones where the overload relay sits outside the hazardous area but protects motors inside it. It withstands 100% relative humidity during operation, so condensation in a non-conditioned panel is not a problem. Surge voltage resistance is 6 kV, and ESD immunity meets IEC 61000-4-2 (6 kV contact / 8 kV air discharge).","metaTitle":"Siemens SIRIUS 3RB2015-1RB0 Solid-State Overload Relay, Clas","metaDescription":"Siemens SIRIUS solid-state overload relay, 3-pole, Class 10E, rated 690 V AC-3, IP20, contactor mounting. Current production. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Overload Relays"],"specifications":{"Depth":"73 mm","Width":"45 mm","Height":"64 mm","Upwards":"0 mm","at 24 V":"2 A","at 60 V":"0.55 A","Forwards":"0 mm","at 110 V":"0.3 A","at 120 V":"4 A","at 125 V":"0.3 A","at 220 V":"0.11 A","at 230 V":"3 A","Backwards":"0 mm","Downwards":"0 mm","Trip Class":"CLASS 10E","At The Side":"6 mm","On The Front":"IP20","Mounting Type":"Contactor mounting","lifecycle_stage":"current","Shock Resistance":"15g / 11 ms","Mounting Position":"any","Product Brand Name":"SIRIUS","Type of protection":"PTB 06 ATEX 3001 Ex II (2) GD","Product Designation":"solid-state overload relay","For Main Current Circuit":"screw-type terminals","Ambient Temperature During Storage":"-40 ... +80 °C","Relative Humidity During Operation":"100 %","Ambient Temperature During Operation":"-25 ... +60 °C","Ambient Temperature During Transport":"-40 ... +80 °C","Surge Voltage Resistance Rated Value":"6 kV","reference code acc. to DIN EN 81346-2":"F","Number Of Poles For Main Current Circuit":"3","For Auxiliary And Control Current Circuit":"screw-type terminals","number of CO contacts for auxiliary contacts":"0","number of NC contacts for auxiliary contacts":"1","number of NO contacts for auxiliary contacts":"1","with degree of pollution 3 at AC rated value":"690 V","electrostatic discharge acc. to IEC 61000-4-2":"6 kV contact discharge / 8 kV air discharge","operating voltage at AC-3 rated value maximum":"690 V","Size Of Contactor Can Be Combined Company-Specific":"S00","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Type Of Connectable Conductor Cross-Sections For Main Contacts Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Product Function Removable Terminal For Auxiliary And Control Circuit":"Yes","Type Of Connectable Conductor Cross-Sections For Auxiliary Contacts Solid":"0.5 ... 4 mm², 2x (0.5 ... 2.5 mm²)","Adjustable Pick-Up Value Current Of The Current-Dependent Overload Release":"0.1 ... 0.4 A","power loss [W] for rated value of the current at AC in hot operating state":"0.05 W","type of connectable conductor cross-sections at AWG conductors for main contacts":"2x (18 ... 14)","power loss [W] for rated value of the current at AC in hot operating state per pole":"0.02 W","Design Of The Fuse Link For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 6 A","type of connectable conductor cross-sections at AWG conductors for auxiliary contacts":"2x (20 ... 14)","Type Of Connectable Conductor Cross-Sections For Main Contacts Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Type Of Connectable Conductor Cross-Sections For Auxiliary Contacts Finely Stranded With Core End Processing":"0.5 ... 2.5 mm², 2x (0.5 ... 1.5 mm²)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=118655&mlfb=3RB2015-1RB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RB2015-1RB0/alternatives.json"},"ai":{"faq":[{"question":"Will the 3RB2015-1RB0 drop into a panel designed for a 3RT7014-1AG02 contactor?","answer":"The 3RB2015-1RB0 mounts directly onto a SIRIUS size S00 contactor. The 3RT7014-1AG02 is a SIRIUS contactor of the same frame size, so the overload relay will clip onto it without rewiring the power terminals. Verify the auxiliary contact wiring separately."},{"question":"What compliance documentation is available for this relay?","answer":"The relay carries ATEX approval PTB 06 ATEX 3001 Ex II (2) GD, plus IEC 61000-4-2 ESD immunity certification. The standard Siemens declaration of conformity covers CE, UKCA, and relevant IEC/EN standards."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RB2015-1RB0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3RB2015-1RB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}