{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"GBX1200031081D","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"GBX1200031081D","canonicalUrl":"https://aoctrl.com/schneider/GBX1200031081D","factsUrl":"https://aoctrl.com/api/mcp/products/GBX1200031081D","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric GBX1200031081D planetary gearbox, straight teeth, 120 mm diameter, 3:1 reduction ratio, 115 N.m continuous output torque, 8 arcmin backlash, IP54 shaft output.","salesMarkdown":"## 120 mm planetary, 3:1, 115 N.m continuous — what the ratings mean on the line The GBX1200031081D is a 120 mm diameter planetary gearbox with a 3:1 reduction ratio, rated for 115 N.m continuous output torque and 184 N.m maximum. That continuous figure is the one to size against — the drive train sees that torque indefinitely at 100 rpm and 30 °C ambient. Efficiency sits at 96 %, which means about 4 % of the input power dissipates as heat through the black anodized aluminium housing. For a motor in the 0.5–1.5 kW range, that keeps the gearbox cool enough to run without external ventilation in most conveyor and positioning applications. Backlash is held to 8 arcmin maximum — tight enough for indexing and pick-and-place but not zero-backlash. If the application needs bidirectional positioning without lost motion, a preloaded or helical-gear stage is the next step up. ## Torque, life, and overhung load — the three numbers that decide fit Service life is specified at 30,000 hours at 100 rpm and 30 °C. That is a 3.4-year continuous run at that speed; cycling or lower duty extends it. The gearbox is lubricated for life, so no oil-change interval to schedule. Maximum radial force Fr is 1500 N at 100 rpm for the 30,000-hour target, applied mid-span on the output shaft. If the load pulley or sprocket sits further out, derate accordingly — the 2000 N figure at 10,000 hours gives a sense of the trade-off. Axial force Fa is 2100 N at 100 rpm for the full life rating, 2800 N for a 10,000-hour duty. Both limits assume the force is pure axial, no moment. A belt drive with tension that pulls the shaft axially needs to stay under the lower figure for the long haul. ## Active production — sourced per RFQ, no obsolescence risk Lifecycle status is Active per Schneider Electric. No end-of-life notice, no successor part number to track. This is a current-catalog item, not a legacy or phase-out line. The GBX series covers a range of diameters and ratios; this 120 mm, 3:1 variant is a standard offering.","metaTitle":"Schneider Electric GBX1200031081D Planetary Gearbox, 3:1","metaDescription":"Schneider Electric GBX1200031081D planetary gearbox, 3:1 reduction, 115 N.m continuous torque, 96% efficiency, 8 arcmin backlash.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Gear Reducers & Gearboxes"],"specifications":{"title":"GBX1200031081D","Efficiency":"96 %","Noise level":"65 dB at 1 m, no-load","description":"gearbox with straight teeth GBX- Ø 120 mm- reduction 3:1- < 8arcmin- 115 N.m","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/4ec2cc6c7e1d825f2af5de2468eae3aa.pdf","sourceUrl":"https://www.se.com/ie/en/product/GBX1200031081D/gearbox-with-straight-teeth-gbx-ø-120-mm-reduction-31-8arcmin-115-n-m/"},"ai":{"faq":[{"question":"What is GBX1200031081D's continuous torque rating?","answer":"115 N.m continuous output torque, with a maximum of 184 N.m. The continuous figure is the one to size the drive train against for indefinite operation at 100 rpm."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/GBX1200031081D","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/GBX1200031081D 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}}