{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2120-1GD24-0AK6","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2120-1GD24-0AK6","canonicalUrl":"https://aoctrl.com/siemens/3RA2120-1GD24-0AK6","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2120-1GD24-0AK6","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2120-1GD24-0AK6 non-fused load feeder, S0 frame, direct starter, Class 10 trip, 4.8 A at 480 V, 45 mm wide, 155 mm deep, 260 mm high.","salesMarkdown":"## Load ratings across voltage bands The 3RA2120-1GD24-0AK6: At 575/600 V it's rated 5 hp — the highest horsepower point on the voltage ladder. The Class 10 trip characteristic means it protects standard motors against overload without nuisance tripping during start-up. ## Panel fit and mounting S0 frame size — 45 mm wide, 155 mm deep, 260 mm high — fits standard distribution panel cutouts for this load feeder class. Snaps directly onto 60 mm busbar systems; vertical mounting position only. Clearance: 30 mm upwards, 10 mm forwards and downwards, 9 mm at the side, 0 mm backwards — tight side-by-side spacing is possible. ## Pre-configured assembly Shipped as a complete direct starter: includes a 3RT2024-1AK60 contactor and a 3RA2921-1AA00 link module — no separate ordering of components. Main contact wire range: 1–10 mm² stranded, or 2x (2.5–6 mm²) for paralleled feeds. Max rated AC-3 voltage is 690 V — covers 480/600 V common in North American and European panels. ## Environmental and compliance envelope Operates from -20 to +60 °C; storage and transport range is -50 to +80 °C. Pollution degree 3 — suitable for industrial environments with conductive dust or occasional condensation.","metaTitle":"Siemens 3RA2120-1GD24-0AK6 SIRIUS non-fused load feeder, S0","metaDescription":"Siemens 3RA2120-1GD24-0AK6 SIRIUS non-fused load feeder, S0 frame, direct starter, Class 10, 4.8 A at 480 V. Current production. Available to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"155 mm","Width":"45 mm","title":"3RA2120-1GD24-0AK6","Height":"260 mm","Upwards":"30 mm","Forwards":"10 mm","Backwards":"0 mm","Downwards":"10 mm","Trip Class":"CLASS 10","At The Side":"9 mm","Rated Value":"690 V","description":"FUSELESS LOAD FEEDER DIRECT START, AC 400V, SZ. S0, 4.5...6.3A, AC 110/120V 50/60HZ SCREW TERMINAL FOR BUSBAR SYSTEMS 60MM TYPE OF ASSIGNMENT 2,IQ = 150KA (ALSO FULFILLS TYPE OF ASSIGNMENT 1) 1NO+1NC (CONTACTOR)","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","Product Brand Name":"SIRIUS","Type Of Assignment":"2","Degree Of Pollution":"3","Product Designation":"non-fused load feeders 3RA2","Size Of Load Feeder":"S0","at 230 V rated value":"0.5 hp","at 400 V rated value":"2 200 W","at 480 V rated value":"4.8 A","at 50 Hz rated value":"110 V","at 500 V rated value":"3 000 W","at 60 Hz rated value":"120 V","at 600 V rated value":"6.3 A","at 690 V rated value":"4 000 W","Design Of The Product":"direct starter","at 110/120 V rated value":"0.25 hp","at 200/208 V rated value":"1 hp","at 220/230 V rated value":"1.5 hp","at 460/480 V rated value":"3 hp","at 575/600 V rated value":"5 hp","Of The Supplied Contactor":"3RT2024-1AK60","For Main Contacts Stranded":"1 ... 10 mm², 2x (2.5 ... 6 mm²)","Of The Supplied Link Module":"3RA2921-1AA00","Size Of The Circuit-Breaker":"S0","at AC-3 rated value maximum":"690 V","Substance Prohibitance (Date)":"10/01/2009","Design Of The Overload Release":"thermal (bimetallic)","Of The Supplied Busbar Adapter":"8US1251-5NT10","Design Of The Switching Contact":"electromechanical","Operating Frequency Rated Value":"50 ... 60 Hz","at AWG cables for main contacts":"2x (16 ... 12), 2x (14 ... 8)","Design Of The Short-Circuit Trip":"magnetic","Of The Supplied Circuit-Breakers":"3RV2021-1GA10","Product Extension Auxiliary Switch":"Yes","Surge Voltage Resistance Rated Value":"6 kV","Number Of Poles For Main Current Circuit":"3","Product Function Short Circuit Protection":"Yes","apparent holding power of magnet coil at AC":"8.5 VA","shock resistance according to IEC 60068-2-27":"6g / 11 ms","at 400 V according to IEC 60947-4-1 rated value":"153 000 A","at 500 V according to IEC 60947-4-1 rated value":"100 000 A","at 690 V according to IEC 60947-4-1 rated value":"4 000 A","operational current at AC-3 at 400 V rated value":"5 A","Type Of Electrical Connection For Main Current Circuit":"screw-type terminals","Mechanical Service Life (Switching Cycles) Of Contactor Typical":"10 000 000","Response Value Current Of Instantaneous Short-Circuit Trip Unit":"81.9 A","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"4.5 ... 6.3 A","Connectable Conductor Cross-Section For Main Contacts Finely Stranded With Core End Processing":"1 ... 6 mm²"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/9d19a843aee63eb2e7f5d857a21eb341.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=8262&mlfb=3RA2120-1GD24-0AK6"},"ai":{"faq":[{"question":"What is the frame size and panel footprint of 3RA2120-1GD24-0AK6?","answer":"It is a Size S0 load feeder — 45 mm wide, 155 mm deep, 260 mm high. Mounting clearance: 30 mm up, 10 mm forward and down, 9 mm at the side, 0 mm back."},{"question":"What motor power does 3RA2120-1GD24-0AK6 handle at common voltages?","answer":"At 400 V it handles 2.2 kW; at 480 V it's rated 4.8 A; at 600 V it delivers 6.3 A. Horsepower ratings range from 0.25 hp at 110/120 V up to 5 hp at 575/600 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2120-1GD24-0AK6","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/3RA2120-1GD24-0AK6 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}}