{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1934-5AR61","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1934-5AR61","canonicalUrl":"https://aoctrl.com/siemens/3RT1934-5AR61","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1934-5AR61","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1934-5AR61 magnet coil, Size S2, screw terminal, 400 V AC 50 Hz / 440 V AC 60 Hz, phased-out with official successor.","salesMarkdown":"The Siemens 3RT1934-5AR61 is a SIRIUS magnet coil designed for Size S2 contactors. It provides the electromagnetic actuation for the main contactor, converting an AC control supply into the mechanical force that closes the power contacts. The coil is rated for 400 V AC at 50 Hz and 440 V AC at 60 Hz, with an operating range of 0.8 to 1.1 times the rated voltage — meaning it will reliably pick up and hold between 320 V and 440 V at 50 Hz, or 352 V and 484 V at 60 Hz. The coil uses screw terminals for the control wiring. The AC control supply must match the coil rating — 400 V AC line-to-line or line-to-neutral depending on the supply configuration. The operating range of 0.8 to 1.1 times rated voltage means the coil will hold in during brownout conditions down to 320 V at 50 Hz, but verify the control transformer sizing if the panel feeds multiple coils.","metaTitle":"Siemens 3RT1934-5AR61 SIRIUS Magnet Coil, 400 V AC","metaDescription":"Siemens SIRIUS 3RT1934-5AR61 magnet coil for Size S2 contactors. Rated 400 V AC at 50 Hz, 440 V AC at 60 Hz. Phased-out product; successor is SIRIUS 3RT2 series. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"at 50 Hz":"0.8 ... 1.1","lifecycle_stage":"current","Product Brand Name":"SIRIUS","Product Designation":"Magnet coil","at 50 Hz rated value":"400 V","at 60 Hz rated value":"440 V","Type Of Voltage Of The Control Supply Voltage":"AC"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$135.09","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=224529&mlfb=3RT1934-5AR61","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1934-5AR61/alternatives.json"},"ai":{"faq":[{"question":"What replaces the 3RT1934-5AR61?","answer":"The official successor is the SIRIUS 3RT2 series. The exact replacement order code depends on the contactor frame size and coil voltage; the 3RT2 equivalent for a Size S2 contactor at 400 V AC should be selected from that series."},{"question":"What is the coil voltage rating?","answer":"Rated 400 V AC at 50 Hz and 440 V AC at 60 Hz. The operating range is 0.8 to 1.1 times the rated voltage, so the coil picks up and holds between 320 V and 440 V at 50 Hz, or 352 V and 484 V at 60 Hz."},{"question":"Does the 3RT1934-5AR61 fit a Size S0 or S00 contactor?","answer":"No. This coil is specifically for Size S2 contactors. Size S0 and S00 contactors use different magnet coils with different physical dimensions and mounting interfaces."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1934-5AR61","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/3RT1934-5AR61 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}}