{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"GS1SD3","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"GS1SD3","canonicalUrl":"https://aoctrl.com/schneider/GS1SD3","factsUrl":"https://aoctrl.com/api/mcp/products/GS1SD3","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys GS series, GS1SD3, fuse switch disconnector body, 3 poles, DIN mount, 630 A rated operational current.","salesMarkdown":"The GS1SD3 is a TeSys GS fuse switch disconnector body — the main switching unit for a 3-pole, DIN-rail-mounted fusible disconnect. It's the part that carries the current and breaks the circuit; you add the fuse links and handle assembly separately. The operational current depends on duty and voltage: 630 A at 400 V AC-23B (motor switching with occasional inrush), 500 A at 500 V AC-23B, and 315 A at 690 V AC-23B. For DC circuits with poles not juxtaposed, it's rated 630 A at 440 V DC-23B. ## Breaking and making — the fault-handling numbers that matter Making capacity is 6300 A at the same rating, meaning it can close onto a fault without welding contacts. With upstream gG (general-purpose) fuses rated at 630 A, the short-circuit making capacity jumps to 100 kA at 400 V — the fuses do the heavy lifting for high-fault scenarios, and the switch just has to hold together until they clear. Rated insulation voltage is 1000 V AC, and impulse withstand voltage is 12 kV — that covers 690 V systems with margin for transient spikes common in industrial motor circuits. ## Build and mounting details Power connections are via bars or screw terminals, each accepting up to two 300 mm² flexible conductors. Torque to 44 N·m on the power circuit terminals. IP20 with the terminal cover fitted — finger-safe but not washdown. The operating handle is on the right side. Fuse size is T3, DIN type, so standard 3-pole DIN fuse links fit. Fire resistance tested to 850 °C on the fuse cover and 960 °C on the body per IEC 60695-2-1 — that's the glow-wire test for flammability in a fault condition. It's a fuse switch disconnector body, so you'll also need the matching handle and fuse links to complete the assembly. The GS1S family is well-stocked through distribution; this is a line item you can quote to order without worrying about allocation.","metaTitle":"GS1SD3 TeSys GS Fuse Switch Disconnector Body, 630 A, 3P","metaDescription":"GS1SD3 TeSys GS fuse switch disconnector body, 3 poles, DIN mount, rated 630 A at 400 V AC-23B. Active production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"title":"GS1SD3","Category":"18402-WORLD SERVICE PARTS(CONTROL ACCESS)","Fuse size":"T3","Fuse type":"DIN","Standards":"IEC 60269-1 IEC 60269-2 IEC 60947-3","description":"switch-disconnector fuse body GS1 - TeSys GS - 3 poles - DIN - 630 A","Network type":"DC AC","Fire resistance":"1562 °F (850 °C) fuse cover IEC 60695-2-1 1760 °F (960 °C) body IEC 60695-2-1","Making capacity":"6300 A 400 V AC-23B","lifecycle_stage":"current","Mounting Support":"Plate Rail","Breaking capacity":"5040 A 400 V AC-23B)","Device short name":"GS1S","Network Frequency":"50/60 Hz","Poles description":"3P","Tightening torque":"Power circuit 389.4 lbf.in (44 N.m) bars Power circuit 389.4 lbf.in (44 N.m) screw terminals","Protective treatment":"TH","Electrical durability":"1000 cycles AC-23A 1000 cycles AC-23B 200 cycles DC-23A 200 cycles DC-23B","Mechanical durability":"8000 cycles","Connections - terminals":"Power circuit bars Power circuit screw terminals 2 0.2 in² (150 mm²) flexible Power circuit screw terminals 2 0.5 in² (300 mm²) flexible","IP degree of protection":"IP20 IEC 60529 with terminal cover)","Type of operating handle":"Right side","Product or Component Type":"Fuse switch disconnector body","Rated operational power in W":"690 V AC-23A) 690 V AC-23B) 400 V AC-23A) 400 V AC-23B) 500 V AC-23A) 500 V AC-23B)","[Ui] rated insulation voltage":"1000 V AC 50/60 Hz","[Ie] rated operational current":"315 A 690 V AC-23A 315 A 690 V AC-23B 400 A 440 V poles not juxtaposed DC-23A 400 A 440 V poles not juxtaposed DC-23B 400 A 690 V AC-23A 400 A 690 V AC-23B 500 A 500 V AC-23A 500 A 500 V AC-23B 630 A 400 V AC-23A 630 A 400 V AC-23B 630 A 440 V poles not juxtaposed DC-23A 630 A 440 V poles not juxtaposed DC-23B","[Uimp] rated impulse withstand voltage":"12 kV","[Icm] rated short-circuit making capacity":"100 kA 400 V with protection by gG (gI) fuses 630 kA rating of associated fuses","[Ith] conventional free air thermal current":"630 A (at 104 °F (40 °C))"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/bfaa0ee752236504f8d739a8ace5904b.pdf","sourceUrl":"https://www.se.com/ie/en/product/GS1SD3/switchdisconnector-fuse-body-gs1-tesys-gs-3-poles-din-630-a/"},"ai":{"faq":[{"question":"What fuse size and type does the GS1SD3 accept?","answer":"It accepts T3 size DIN-type fuse links — the standard 3-pole DIN fuse format for this current class."},{"question":"What are the key ratings I need to check for fit?","answer":"The headline rating is 630 A conventional free-air thermal current at 40 °C. Operational current varies by duty: 630 A at 400 V AC-23B, 500 A at 500 V AC-23B, and 315 A at 690 V AC-23B. Breaking capacity is 5040 A at 400 V AC-23B."},{"question":"What standards does the GS1SD3 comply with?","answer":"It complies with IEC 60269-1, IEC 60269-2, and IEC 60947-3 — the fuse and switch-disconnector standards. Fire resistance is tested per IEC 60695-2-1."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/GS1SD3","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/GS1SD3 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}}