{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2926-1MR00-ZX90","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2926-1MR00-ZX90","canonicalUrl":"https://aoctrl.com/siemens/3RT2926-1MR00-ZX90","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2926-1MR00-ZX90","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT2926-1MR00-ZX90 surge suppressor, diode combination with LED, DC 24 V, for S0 contactors, clip-on mounting, active.","salesMarkdown":"## What this surge suppressor does on an S0 contactor The 3RT2926-1MR00-ZX90 is a SIRIUS surge suppressor — a diode combination with an integrated LED — designed to clip onto Siemens S0-frame contactors. It suppresses the inductive voltage spike when the contactor coil de-energizes, protecting the DC 24 V control circuit from back-EMF that would otherwise arc across the PLC output or relay contact driving it. Rated for DC 24 V control supply voltage, it mounts in any position via a clip-on fastener and fits the standard S0 contactor width of 30 mm and depth of 12 mm — the same footprint as the contactor's own coil terminals. ## Active production, no replacement drama The diode-combination design means it handles DC coil suppression cleanly — the LED gives a quick visual check that the suppressor is powered and the coil circuit is live. The multi-unit packaging (noted in the description) suggests it ships in quantities suited for production runs, not single-piece samples. ## Temperature range and panel fit Operating temperature spans -25 to +60 °C; storage range is -40 to +80 °C. That covers most indoor panel environments and unheated warehouses. The clip-on mount snaps directly onto the S0 contactor without eating extra DIN rail space — the 12 mm depth keeps the assembly tight against the backplane.","metaTitle":"Siemens 3RT2926-1MR00-ZX90 Surge Suppressor, DC 24 V, S0","metaDescription":"Siemens SIRIUS surge suppressor for S0 contactors. Diode combination with LED, DC 24 V. Active production, clip-on mount. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"12mm","Width":"30mm","title":"3RT2926-1MR00-ZX90","Height":"19mm","description":"SURGE SUPPRESSOR, DIODE COMBINATION WITH LED, DC 24 V, FOR MOTOR CONTACTORS SZ S0, MULTI-UNIT PACKAGING","During Storage":"-40 ... +80°C","lifecycle_stage":"current","During Operation":"-25 ... +60°C","Fastening Method":"clip-on","Mounting Position":"any","Size Of Contactor":"S0","at DC rated value":"24V","Product Brand Name":"SIRIUS","Product Designation":"surge suppressor","Design Of The Surge Suppressor":"Diode combination","Type Of Voltage Of The Control Supply Voltage":"DC"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.67","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/b070a3c55955ad51eca6d910e1b64e2e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=36598&mlfb=3RT2926-1MR00-ZX90"},"ai":{"faq":[{"question":"What does the diode combination with LED mean for my control circuit?","answer":"The diode combination suppresses the inductive kickback from the contactor coil when it switches off. The LED indicates the suppressor is receiving DC 24 V — a quick visual that the coil circuit is energized."},{"question":"Will this fit a Siemens S0 contactor?","answer":"Yes — it is specifically designed for S0-frame contactors. It clips on without tools and matches the contactor's 30 mm width and 12 mm depth."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2926-1MR00-ZX90","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/3RT2926-1MR00-ZX90 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}