{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"GS1TBR3","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"GS1TBR3","canonicalUrl":"https://aoctrl.com/schneider/GS1TBR3","factsUrl":"https://aoctrl.com/api/mcp/products/GS1TBR3","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys GT GS1TBR3 fuse switch disconnector body, 3-pole, 800 A, BS fuse type, AC-23B duty, IP20.","salesMarkdown":"## 800 A fuse switch disconnector for motor branch circuits The GS1TBR3 is a TeSys GT fuse switch disconnector body — not a contactor, but the disconnect and fuse-holder for the motor branch circuit. It carries 800 A continuous at 400 V in AC-23B duty, which is the heavy motor-start category (switching motors and other highly inductive loads). Rated operational power reaches 450 kW at 400 V AC-23A/B and 750 kW at 690 V AC-23A/B — this is a high-power disconnect for large motor starters or distribution switchboards, not a panelboard feeder. Making capacity is 8000 A at 400 V AC-23B; breaking capacity is 6400 A at the same voltage. These are the fault-closing and fault-opening ratings — the switch must close onto a short-circuit without welding and open a fault without external arc. The 12 kV rated impulse withstand voltage (Uimp) confirms the insulation system handles lightning or switching surges on a 1000 V insulation-rated system. Short-circuit making capacity (Icm) is 800 kA at 400 V — but this is conditional on the associated BS fuse clearing the fault. The switch body itself is not a stand-alone interrupting device; it relies on the BS fuses (sizes C1, C2, C3) for the actual interruption. The fuse cover passes a 960 °C glow-wire test; the body passes 850 °C per IEC 60695-2-1. ## Physical fit and mounting — panel layout constraints Mounts on a plate or rail. The body dimensions are 10.2 in deep by 16.6 in wide by 10.6 in high — this is a large disconnect, not a DIN-rail component. The power circuit terminals accept bars up to 63 mm² (two bars) or 60 mm² (five bars), with a tightening torque of 44 N.m. Plan for generous gland-plate space and bus-bar bending radius around this footprint. IP20 with terminal cover per IEC 60529 — finger-safe but not sealed against dust or moisture. The TH protective treatment (tropicalization) means the internal surfaces resist humidity and fungal growth, which matters for unheated electrical rooms or outdoor enclosures. ## Lifecycle and sourcing — active, quoted to order Mechanical durability is 6000 cycles; electrical durability ranges from 100 cycles in DC-23A/B to 500 cycles in AC-23A/B. These are not high-cycle switching devices — they are intended for infrequent disconnect and isolation, not daily motor starting.","metaTitle":"Schneider Electric GS1TBR3 TeSys GT Fuse Switch Disconnector","metaDescription":"Schneider Electric GS1TBR3 TeSys GT fuse switch disconnector body, 3-pole, 800 A rated at 400 V AC-23B. Active production, sourced to order. IEC 60947-3. IP20.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"10.2 in (260 mm)","Width":"16.6 in (421.5 mm)","title":"GS1TBR3","Height":"10.6 in (268 mm)","Category":"18402-WORLD SERVICE PARTS(CONTROL ACCESS)","Fuse size":"C3 C1 C2","Fuse type":"BS","Standards":"IEC 60947-3 IEC 60269-2 IEC 60269-1","description":"switch-disconnector fuse body GS1 3 poles - BS - 800 A","Network type":"AC DC","Fire resistance":"1760 °F (960 °C) body IEC 60695-2-1 1562 °F (850 °C) fuse cover IEC 60695-2-1","Making capacity":"8000 A 400 V AC-23B","lifecycle_stage":"current","Mounting Support":"Plate Rail","Range of Product":"TeSys GT","Breaking capacity":"6400 A 400 V AC-23B)","Device short name":"GS1T","Network Frequency":"50/60 Hz","Poles description":"3P","Tightening torque":"Power circuit 389.4 lbf.in (44 N.m)","Protective treatment":"TH","Electrical durability":"100 cycles DC-23A 100 cycles DC-23B 500 cycles AC-23A 500 cycles AC-23B","Mechanical durability":"6000 cycles","Connections - terminals":"Power circuit bars 5 0.10 in² (63 mm²) Power circuit bars 2 0.09 in² (60 mm²)","IP degree of protection":"IP20 IEC 60529 with terminal cover)","Product or Component Type":"Fuse switch disconnector body","Rated operational power in W":"450 kW 400 V AC-23A) 450 kW 400 V AC-23B) 450 kW 500 V AC-23A) 450 kW 500 V AC-23B) 600 kW 690 V AC-23A) 600 kW 690 V AC-23B) 750 kW 690 V AC-23A) 750 kW 690 V AC-23B)","[Ui] rated insulation voltage":"1000 V AC 50/60 Hz","[Ie] rated operational current":"630 A 500 V AC-23A 630 A 500 V AC-23B 630 A 690 V AC-23A 630 A 690 V AC-23B 800 A 400 V AC-23A 800 A 400 V AC-23B 800 A 440 V poles not juxtaposed DC-23A 800 A 440 V poles not juxtaposed DC-23B 800 A 690 V AC-23A 800 A 690 V AC-23B","Ambient Air Temperature for Operation":"-4...158 °F (-20...70 °C) operation -40...176 °F (-40...80 °C) storage","[Uimp] rated impulse withstand voltage":"12 kV","[Icm] rated short-circuit making capacity":"800 kA 400 V with protection by BS fuses 800 kA rating of associated fuses","[Ith] conventional free air thermal current":"800 A (at 104 °F (40 °C))"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://www.se.com/ie/en/product/GS1TBR3/switchdisconnector-fuse-body-gs1-3-poles-bs-800-a/"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/GS1TBR3","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/GS1TBR3 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}}