{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT7036-1AH20","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT7036-1AH20","canonicalUrl":"https://aoctrl.com/siemens/3RT7036-1AH20","factsUrl":"https://aoctrl.com/api/mcp/products/3RT7036-1AH20","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS S2 contactor, 3RT7036-1AH20, 3-pole, AC-3 rated 690 V max, screw terminals, IP20 front, DIN-rail mount.","salesMarkdown":"## What it is and where it fits The Siemens 3RT7036-1AH20 is a size S2 contactor from the SIRIUS family, with three main poles for switching motor loads in industrial control panels. It is rated for AC-3 duty up to 690 V maximum, meaning it handles the inrush and breaking of squirrel-cage motors within that voltage range. The front face carries an IP20 rating, so it is protected against finger contact but not against moisture — it belongs inside a panel, not on a washdown line. ## Mounting and integration Mounts via screw or snap-on onto a 35 mm DIN rail per DIN EN 50022. The mounting position is flexible: it can be rotated ±180° on a vertical surface, and tilted forward or backward by ±22.5° on that same surface. Side-by-side mounting is allowed, so you can gang multiple contactors without spacing — useful when panel space is tight. ## Electrical ratings and what they mean The main contacts are three normally open poles. The insulation voltage is rated 690 V, and the surge voltage resistance is 6 kV — that covers the impulse withstand for most 400 V industrial networks. Pollution degree 3 means the contactor is designed for conductive environments (e.g., factory floors with dust and humidity), not just clean control rooms. The auxiliary contacts are rated for PLC-level signals: they are specified as reliable down to 17 V and 5 mA, so they can switch digital inputs without false triggering. ## Mechanical endurance and environment The contactor can handle up to 800 switching cycles per hour under AC-3 duty, and 250 per hour under the harsher AC-4 (plugging/inching) duty. It is shock-resistant to 15g for 5 ms and 8g for 10 ms, so it holds up in applications with vibration — think compressors or conveyors. Operating temperature range is -10 to +55 °C, storage from -25 to +70 °C.","metaTitle":"Siemens 3RT7036-1AH20 Contactor, S2, 3-Pole, AC-3 690 V","metaDescription":"Siemens 3RT7036-1AH20 S2 contactor, 3-pole, AC-3 rated 690 V max. Current production. DIN-rail mount, IP20 front. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"115 mm","Width":"55 mm","Height":"112 mm","at 50 Hz":"0.36","at 60 Hz":"0.38","On The Front":"IP20","During Storage":"-25 ... +70 °C","Of The Terminal":"IP00","at AC-3 maximum":"800 1/h","at AC-4 maximum":"250 1/h","lifecycle_stage":"current","During Operation":"-10 ... +55 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Mounting Position":"+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface","Size Of Contactor":"S2","Solid Or Stranded":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Degree Of Pollution":"3","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 50 Hz rated value":"42 V","at 60 Hz rated value":"42 V","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","Insulation Voltage Rated Value":"690 V","For Auxiliary And Control Circuit":"screw-type terminals","Product Extension Auxiliary Switch":"Yes","With Type Of Assignment 2 Required":"gL/gG NH 3NA: 80 A","closing power of magnet coil at DC":"0.76 W","holding power of magnet coil at DC":"0.35 W","Surge Voltage Resistance Rated Value":"6 kV","With Type Of Coordination 1 Required":"gL/gG NH 3NA: 160 A","shock resistance with sine pulse at AC":"15g / 5 ms, 8g / 10 ms","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"3","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number Of Poles For Main Current Circuit":"3","Contact Reliability Of Auxiliary Contacts":"acceptability for PLC control (17 V, 5 mA)","Type Of Voltage Of The Control Supply Voltage":"AC","operating voltage at AC-3 rated value maximum":"690 V","operational current at DC-13 at 220 V rated value":"0.3 A","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Required Spacing With Side-By-Side Mounting At The Side":"0 mm","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A","number of NC contacts for auxiliary contacts instantaneous contact":"0","number of NO contacts for auxiliary contacts instantaneous contact":"0","Connectable Conductor Cross-Section For Main Contacts Finely Stranded With Core End Processing":"25 mm²","Connectable Conductor Cross-Section For Auxiliary Contacts Finely Stranded With Core End Processing":"0.5 ... 2.5 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=1534079&mlfb=3RT7036-1AH20","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT7036-1AH20/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source — 3RT1036-1AB00?","answer":"The 3RT1036-1AB00 is a peer from the same SIRIUS family but in a different size frame (S0 vs S2). The 3RT7036-1AH20 is the S2 variant, so it has a larger footprint and higher current ratings. It will not drop into a panel wired for an S0 contactor without mechanical and electrical rework."},{"question":"What is the depth of 3RT7036-1AH20?","answer":"The depth is 115 mm."},{"question":"What is the width of 3RT7036-1AH20?","answer":"The width is 55 mm."},{"question":"Will 3RT7036-1AH20 drop into a panel specified around 3RT1036-1AB00 without rewiring?","answer":"No. The 3RT7036-1AH20 is an S2 frame, while the 3RT1036-1AB00 is an S0 frame. The S2 is physically larger (55 mm wide vs S0's typical 45 mm), and the terminal layout differs. You would need to re-drill the mounting holes and re-terminate the power wiring."},{"question":"What compliance documentation is available for 3RT7036-1AH20?","answer":"The evidence does not list specific compliance documents. For RoHS, REACH, UL, or IEC declarations, contact our sourcing desk with the order code and we will pull the manufacturer's current declarations."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT7036-1AH20","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/3RT7036-1AH20 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}}