{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1336-3XF48-0LA3","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1336-3XF48-0LA3","canonicalUrl":"https://aoctrl.com/siemens/3RT1336-3XF48-0LA3","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1336-3XF48-0LA3","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS, power contactor, size S2, 3RT1336-3XF48-0LA3, 11 kW at 400 V AC-2, 23 kW at 230 V resistive, screw main terminals, spring-loaded aux, 690 V insulation, IP20 front.","salesMarkdown":"## SIRIUS S2 Power Contactor — 11 kW AC-2 Motor Duty The Siemens SIRIUS 3RT1336-3XF48-0LA3 is a size S2 power contactor rated for 11 kW at 400 V in AC-2 duty (slip-ring motor starting), and 23 kW at 230 V for AC-1 resistive loads. ## Switching Capacity Across Voltages For DC loads, the contactor is rated 10 A at 24 V, 2 A at 60 V, 1 A at 110 V, and 0.3 A at 220 V. These are the make/break capacities — the DC arc is harder to extinguish than AC, so the current drops sharply as voltage rises. For AC loads at 230 V it handles 6 A, and at 400 V it handles 3 A. The built-in varistor surge suppressor (design) clips voltage spikes from the coil, which extends contact life and reduces EMI on the control wiring. Main current circuit uses screw-type terminals accepting 2x (0.75 to 25 mm²) stranded or 2x (0.25 to 2.5 mm²) solid, with a minimum 16 mm² at both 40 °C and 60 °C ambient. AWG range is 2x (18 to 2). The auxiliary and control circuit uses spring-loaded terminals — no screw tightening needed, which speeds panel wiring and avoids loose connections from vibration. Maximum switching rate at AC-1 is 1,000 cycles per hour. These numbers matter for high-cycling applications like conveyor or pump start-stop duty.","metaTitle":"Siemens 3RT1336-3XF48-0LA3 SIRIUS Power Contactor, S2, 11 kW","metaDescription":"Siemens SIRIUS 3RT1336-3XF48-0LA3 power contactor, size S2. Rated 11 kW at 400 V AC-2, 23 kW at 230 V for resistive loads. Screw main terminals, spring-loaded aux. Current producti","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"180 mm","Solid":"2x (0.25 ... 2.5 mm²)","Width":"73 mm","at DC":"15 ... 30 ms","Height":"142 mm","Stranded":"2x (0.75 ... 25 mm²)","Arcing Time":"10 ... 15 ms","Rated Value":"110 V","On The Front":"IP20","Initial Value":"0.7","During Storage":"-55 ... +80 °C","Of The Terminal":"IP00","at AC-1 maximum":"1 000 1/h","lifecycle_stage":"current","During Operation":"-40 ... +70 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Full-Scale Value":"1.25","Size Of Contactor":"S2","Solid Or Stranded":"2x (0.75 ... 16 mm²)","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","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","at AC-2 at 400 V rated value":"11 kW","Substance Prohibitance (Date)":"05/01/2012","at 40 °C minimum permissible":"16 mm²","at 60 °C minimum permissible":"16 mm²","Design Of The Surge Suppressor":"with varistor","Insulation Voltage Rated Value":"690 V","at 230 V at 60 °C rated value":"23 kW","at AWG cables for main contacts":"2x (18 ... 2)","For Auxiliary And Control Circuit":"spring-loaded terminals","With Type Of Assignment 2 Required":"fuse gL/gG: 63 A","closing power of magnet coil at DC":"15 W","holding power of magnet coil at DC":"11 W","Surge Voltage Resistance Rated Value":"6 kV","With Type Of Coordination 1 Required":"fuse gL/gG: 160 A","at AWG cables for auxiliary contacts":"2x (24 ... 14)","operational current at AC-12 maximum":"10 A","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"4","reference code according to IEC 81346-2":"Q","Finely Stranded With Core End Processing":"2x (0.25 ... 1.5 mm²)","Number Of Poles For Main Current Circuit":"4","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Thermal Short-Time Current Limited To 10 S":"400 A","Finely Stranded Without Core End Processing":"2x (0.25 ... 2.5 mm²)","Type Of Voltage Of The Control Supply Voltage":"DC","Required Spacing For Grounded Parts At The Side":"6 mm","contact rating of auxiliary contacts according to UL":"A600 / Q600","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","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","number of NC contacts for auxiliary contacts instantaneous contact":"2","number of NO contacts for auxiliary contacts instantaneous contact":"2","Of The Contactor With Added Electronically Optimized 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=532009&mlfb=3RT1336-3XF48-0LA3","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1336-3XF48-0LA3/alternatives.json"},"ai":{"faq":[{"question":"What is the motor rating for 3RT1336-3XF48-0LA3?","answer":"It is rated 11 kW at 400 V in AC-2 duty (slip-ring motors) and 23 kW at 230 V for AC-1 resistive loads."},{"question":"What terminals does this contactor use?","answer":"The main current circuit uses screw-type terminals; the auxiliary and control circuit uses spring-loaded terminals for faster wiring."},{"question":"Where can I buy 3RT1336-3XF48-0LA3?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1336-3XF48-0LA3","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/3RT1336-3XF48-0LA3 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}}