{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1026-3BB48-0PA7","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1026-3BB48-0PA7","canonicalUrl":"https://aoctrl.com/siemens/3RT1026-3BB48-0PA7","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1026-3BB48-0PA7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1026-3BB48-0PA7 power contactor, S0 frame size, 24 VDC coil, screw-type terminals, IP20 front protection.","salesMarkdown":"It carries an AC-2 rating of 11 kW at 400 V for slip-ring motors and an AC-4 rating of 15.5 A at 400 V for reversing or inching duty — the AC-4 figure governs the real thermal stress during plugging or jogging cycles, not the steady-state AC-1 number. The magnet coil pulls 5.4 W on pickup and holds at the same 5.4 W DC, so there is no power-drop after closing — verify your 24 VDC supply can sustain that continuous draw across all contactors in the panel. The S0 footprint measures 65 mm wide by 85 mm tall by 101 mm deep — the 101 mm depth is the dimension that matters for enclosure depth clearance, especially if a gland plate or door-mounted device sits behind the contactor. ## Fuse coordination and wiring The screw terminals accept 2x (0.25–2.5 mm²) solid or 2x (1–2.5 mm²) stranded, with a maximum of 2x 10 mm² or a single 8 AWG. Strip length and torque values follow standard Siemens terminal practice — no special tooling needed.","metaTitle":"Siemens 3RT1026-3BB48-0PA7 SIRIUS Power Contactor, S0 Size,","metaDescription":"Siemens SIRIUS 3RT1026-3BB48-0PA7 power contactor, S0 size, 24 VDC coil, screw terminals. Active production. AC-2/AC-4 motor ratings. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"101 mm","Solid":"2x (0.25 ... 2.5 mm²)","Width":"65 mm","Height":"85 mm","Maximum":"2 000 m","At The Side":"6 mm","Rated Value":"24 V","On The Front":"IP20","Initial Value":"0.8","Mounting type":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Of The Terminal":"IP00","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Full-scale value":"1.1","Size of contactor":"S0","Product brand name":"SIRIUS","Degree of pollution":"3","Product designation":"power contactor","at 24 V rated value":"10 A","at 60 V rated value":"2 A","Of Contactor Typical":"10 000 000","at 110 V rated value":"1 A","at 220 V rated value":"0.3 A","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 500 V rated value":"11 kW","at 690 V rated value":"11 kW","Instantaneous Contact":"3","Side-by-side mounting":"Yes","For Main Current Circuit":"screw-type terminals","Single Or Multi-Stranded":"2x (1 ... 2,5 mm²), 2x (2,5 ... 6 mm²), max. 2x 10 mm²","at AC-2 at 400 V rated value":"11 kW","at AC-4 at 400 V rated value":"15.5 A","Closing power of magnet coil at DC":"5.4 W","Holding power of magnet coil at DC":"5.4 W","Operating current at AC-12 maximum":"10 A","With Type Of Assignment 2 Required":"fuse gL/gG: 35 A","at AWG conductors for main contacts":"2x (16 ... 12), 2x (14 ... 10), 1x 8","With Type Of Coordination 1 Required":"fuse gL/gG: 100 A","Reference code acc. to DIN EN 81346-2":"Q","Number of NC contacts for main contacts":"0","Number of NO contacts for main contacts":"3","Finely Stranded With Core End Processing":"2x (0.25 ... 1.5 mm²)","Number of poles for main current circuit":"3","at AWG conductors for auxiliary contacts":"2x (24 ... 14)","Contact reliability of auxiliary contacts":"1 faulty switching per 100 million (17 V, 1 mA)","For Auxiliary And Control Current Circuit":"spring-loaded terminals","at ambient temperature 40 °C rated value":"40 A","Finely Stranded Without Core End Processing":"2x (0.25 ... 2.5 mm²)","Type of voltage of the control supply voltage":"DC","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A","Of The Contactor With Added Electronics-Compatible Auxiliary Switch Block Typical":"5 000 000"}},"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=317260&mlfb=3RT1026-3BB48-0PA7","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1026-3BB48-0PA7/alternatives.json"},"ai":{"faq":[{"question":"What is 3RT1026-3BB48-0PA7's listed depth (101 mm) on this component line?","answer":"The depth is 101 mm. That is the dimension from the DIN rail mounting surface to the farthest front projection, which governs enclosure depth clearance."},{"question":"Will 3RT1026-3BB48-0PA7 drop into a panel that was specified around 3RT1023-1AL20 without rewiring?","answer":"Both are S0 frame size on 35 mm DIN rail, so the physical mount and footprint match. However, the 3RT1023-1AL20 has lower current ratings — verify your motor load does not exceed the 3RT1026's AC-2/AC-4 limits before substituting. Coil voltage and auxiliary contact configuration must also be checked against the original circuit."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1026-3BB48-0PA7","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/3RT1026-3BB48-0PA7 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}}