{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2115-0FH15-1FB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2115-0FH15-1FB4","canonicalUrl":"https://aoctrl.com/siemens/3RA2115-0FH15-1FB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2115-0FH15-1FB4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2115-0FH15-1FB4 direct-on-line starter, size S00, 120 W at 400 V AC-3, Class 10 thermal overload, 45 mm wide, for 60 mm busbar systems.","salesMarkdown":"## What ships in the box — and what it replaces The 3RA2115-0FH15-1FB4: This is a factory-assembled SIRIUS direct-on-line starter, size S00, that ships as a complete unit — the contactor, overload relay, circuit breaker, link module, and busbar adapter are all supplied and pre-coordinated. The supplied contactor is a 3RT2015-2FB41, the circuit breaker a 3RV2011-0FA25, the link module a 3RA2911-2AA00, and the busbar adapter an 8US1251-5DT11 — so this one order code replaces five separate line items on the BOM. ## Rated for the panel — 120 W at 400 V, Class 10 The short-circuit release is magnetic, so the breaker portion clears a hard fault faster than the thermal element can respond — that's the coordination that keeps the contactor from welding on a bolted fault. ## Snaps onto 60 mm busbars — vertical only Fastens by snapping onto 60 mm busbar systems — the mounting position is vertical, and the unit is designed specifically for 60 mm busbars, not DIN rail. Dimensions are 45 mm wide, 260 mm high, 155 mm deep — the width is the critical fit dimension for busbar spacing; the depth of 155 mm determines the enclosure depth needed. Clearance requirements: 50 mm upwards, 20 mm forwards, 10 mm downwards, and 20 mm at the side — backwards clearance is zero, so the back of the unit can sit flush against the panel backplate. ## Termination and environment Both the main current circuit and the auxiliary/control circuit use spring-loaded terminals — no screw torque to verify, no thermal cycling loosening over time. Operating temperature range is -20 to +60 °C, with storage and transport range of -50 to +80 °C — the unit includes temperature compensation over the operating range, so the overload trip curve stays accurate. Rated for 50/60 Hz operation, with relative humidity tolerance of 10 to 95 % during operation — no derating needed for humid environments within that band. Listed as current production — this is an active SIRIUS catalog item, not a legacy or discontinued part.","metaTitle":"Siemens 3RA2115-0FH15-1FB4 SIRIUS Direct Starter, S00, 120 W","metaDescription":"Siemens 3RA2115-0FH15-1FB4 SIRIUS direct-on-line starter, size S00, rated 120 W at 400 V, Class 10 trip. Snap-on 60 mm busbar mount. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Starters"],"specifications":{"Depth":"155 mm","Width":"45 mm","title":"3RA2115-0FH15-1FB4","Height":"260 mm","Upwards":"50 mm","Forwards":"20 mm","Backwards":"0 mm","Downwards":"10 mm","Trip Class":"CLASS 10","At The Side":"20 mm","Rated Value":"24 ... 24 V","description":"Load feeder fuseless, Direct-on-line starting 400 V AC, Size S00 0.35...0.50 A 24 V DC Spring-type terminal for 60 mm busbar systems (also fulfills type of coordination 1) Type of coordination 2, Iq = 150 kA 1 NO (contactor) with diode (integrated)","During Storage":"-50 ... +80 °C","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-50 ... +80 °C","Fastening Method":"for snapping onto 60 mm busbar systems","Mounting Position":"vertical","PROFIsafe protocol":"No","Product Brand Name":"SIRIUS","Type Of Assignment":"2","Product Designation":"Direct (on-line) starter","Size Of Load Feeder":"S00","PROFINET IO protocol":"No","at 400 V rated value":"120 W","Design Of The Product":"for 60 mm busbars","For Main Current Circuit":"spring-loaded terminals","Temperature Compensation":"-20 ... +60 °C","Of The Supplied Contactor":"3RT2015-2FB41","Of The Supplied Link Module":"3RA2911-2AA00","Size Of The Circuit-Breaker":"S00","at AC-3 rated value maximum":"690 V","Design Of The Overload Release":"thermal (bimetallic)","Of The Supplied Busbar Adapter":"8US1251-5DT11","Design Of The Switching Contact":"electromechanical","Operating Frequency Rated Value":"50 ... 60 Hz","Design Of The Short-Circuit Trip":"magnetic","Of The Supplied Circuit-Breakers":"3RV2011-0FA25","degree of protection NEMA rating":"other","For Auxiliary And Control Circuit":"spring-loaded terminals","Product Extension Auxiliary Switch":"Yes","Relative Humidity During Operation":"10 ... 95 %","Surge Voltage Resistance Rated Value":"6 kV","Number Of Poles For Main Current Circuit":"3","Product Function Short Circuit Protection":"Yes","protocol is supported AS-Interface protocol":"No","number of NC contacts for auxiliary contacts":"1","number of NO contacts for auxiliary contacts":"1","shock resistance according to IEC 60068-2-27":"6g / 11 ms","Type Of Voltage Of The Control Supply Voltage":"DC","at 400 V according to IEC 60947-4-1 rated value":"150 000 A","operational current at AC-3 at 400 V rated value":"0.44 A","Mechanical Service Life (Switching Cycles) Of Contactor Typical":"30 000 000","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"0.35 ... 0.5 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/cb6056c6fcc69c6d81e3591955604321.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=553043&mlfb=3RA2115-0FH15-1FB4"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2115-0FH15-1FB4","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/3RA2115-0FH15-1FB4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:47:38.189Z","lastPublished":"2026-07-22T19:47:38.189Z","indexable":true}}