{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"GBX1200031082D","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"GBX1200031082D","canonicalUrl":"https://aoctrl.com/schneider/GBX1200031082D","factsUrl":"https://aoctrl.com/api/mcp/products/GBX1200031082D","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric GBX1200031082D planetary gearbox, 120 mm diameter, 3:1 reduction ratio, 115 N.m continuous torque, 8 arc.min backlash, 96% efficiency, IP54 shaft output.","salesMarkdown":"## 120 mm planetary, 3:1, 115 N.m — what the ratings mean The GBX1200031082D is a straight-tooth planetary gearbox from Schneider Electric's GBX series, 120 mm in diameter with a 3:1 reduction ratio. Efficiency is listed at 96 %, which means about 4 % of the input power is lost as heat through the gear mesh and bearing drag. At 115 N.m output, that loss is manageable in a well-ventilated enclosure, but the 30,000-hour service life rating at 100 rpm and 30 °C assumes the gearbox stays within its thermal envelope — derate speed or torque in hotter cabinets. Backlash is 8 arc.min maximum — this is a standard-precision grade, not a zero-backlash unit. For indexing or positioning axes where reversal error matters, the 8 arc.min figure translates to about 0.13° of lost motion at the output; factor that into the position loop budget. ## Load limits and mounting — axial, radial, and position Maximum axial force (Fa) is 2100 N at 100 rpm for the 30,000-hour life target, or 2800 N if you accept a 10,000-hour service life. Radial force (Fr) at mid-span on the output shaft is 1500 N for the longer life, 2000 N for the shorter. These are the hard limits for overhung loads like pulleys or pinions — exceed them and the output bearing life drops fast. The gearbox can be mounted in any position, which simplifies layout in a tight machine frame. The housing is black anodized aluminium; the output shaft is C45 steel. Shaft output sealing is IP54 — splash-resistant but not submersible, so keep it out of direct washdown spray. Torsional rigidity is 12 N.m/arcmin — this is the stiffness of the gear train under load. For a 115 N.m continuous torque, the wind-up at the output is about 9.6 arcmin under full load, which adds to the backlash figure in a closed-loop system. ## Lifecycle reality — obsolete, sourced to order Schneider Electric lists the GBX1200031082D as obsolete. The gearbox is lubricated for life, so no maintenance oil changes are needed. The 30,000-hour service life at 100 rpm and 30 °C is the design target — running at higher speeds, higher ambient temperatures, or higher loads will reduce that figure proportionally. The noise level is 65 dB at 1 m, no-load — typical for a planetary gearbox of this size; expect a few dB higher under full load.","metaTitle":"Schneider Electric GBX1200031082D Planetary Gearbox, 3:1","metaDescription":"Schneider Electric GBX1200031082D planetary gearbox, 120 mm diameter, 3:1 reduction, 115 N.m continuous torque, 96% efficiency.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Gear Reducers & Gearboxes"],"specifications":{"Efficiency":"96 %","Noise level":"65 dB at 1 m, no-load","Gear box type":"Straight teeth","Housing colour":"Black","Shaft material":"C 45","Reduction ratio":"3:1","lifecycle_stage":"current","Housing material":"Black anodized aluminium","Device short name":"GBX","Moment Of Inertia":"2.63 g.cm²","Mounting position":"Any position","Compatibility code":"GBX","Torsional rigidity":"12 N.m/arcmin","Maximum output torque":"184 N.m","Service life in hours":"30000 h at 100 rpm at 30 °C","Additional information":"Lubricated for life","Maximum axial force Fa":"2100 N at 100 rpm, during 30000 hour at 30°C 2800 N at 100 rpm, during 10000 hour at 30°C","IP degree of protection":"Shaft output: IP54","Maximum radial force Fr":"1500 N at 100 rpm, force applied at mid-distance from output shaft during 30000 hour at 30 °C 2000 N at 100 rpm, force applied at mid-distance from output shaft during 10000 hour at 30 °C","Continuous output torque":"115 N.m","Gearbox external diameter":"120 mm","Product or component type":"Planetary gearbox","Maximum torsional backlash":"8 arc.min","Ambient Temperature For Operation":"-25...90 °C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/bceb7f6fe65c7ebf5f5ce0810b30b074.pdf","sourceUrl":"https://www.se.com/nl/en/product/GBX1200031082D/gearbox-with-straight-teeth-gbx-ø-120-mm-reduction-31-8arcmin-115-n-m/","alternativesUrl":"https://aoctrl.com/api/mcp/products/GBX1200031082D/alternatives.json"},"ai":{"faq":[{"question":"What is the continuous torque rating of the GBX1200031082D?","answer":"115 N.m continuous output torque, with a maximum peak of 184 N.m."},{"question":"How can I order the GBX1200031082D?","answer":"Submit an RFQ for current availability and pricing — no stock-holding claim is made here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/GBX1200031082D","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/GBX1200031082D 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}}