{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LRD10S207","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LRD10S207","canonicalUrl":"https://aoctrl.com/schneider/LRD10S207","factsUrl":"https://aoctrl.com/api/mcp/products/LRD10S207","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric TeSys Deca LRD10S207 differential thermal overload relay, thermal protection adjustment range 4-6 A, 1 NO + 1 NC auxiliary contacts, Class 10A, IP20.","salesMarkdown":"The Schneider LRD10S207 is a differential thermal overload relay from the TeSys Deca range, designed for motor protection in AC circuits up to 690 V. Its thermal protection adjustment range of 4-6 A means it directly protects motors with a full-load current in that band — set the dial to match the motor nameplate FLA, and the relay tracks the thermal load via a bi-metal element. The Class 10A trip class (per IEC 60947-4-1) means it will trip within 10 seconds at 7.2× the set current, fast enough for standard induction motor starts without nuisance tripping on normal acceleration. The 1 NO + 1 NC auxiliary contact set provides the feedback path to the control circuit — the NC contact breaks the contactor coil on a trip, the NO signals the PLC or HMI. Phase-failure sensitivity is built in: the relay trips at 130% of Ir when one phase drops to zero, so a lost phase won't cook the motor winding before the operator notices. Mounts directly under a TeSys D contactor — no extra bracket needed for that combination. For panel or rail mounting, specific accessories are required. The screw-clamp terminals on the power circuit accept 1.5-10 mm² flexible cable (without ferrule) or 1-6 mm² solid, torqued to 1.7 N·m. Signalling circuit terminals take 1-2.5 mm², same torque.","metaTitle":"Schneider LRD10S207 TeSys Deca thermal overload relay, 4-6 A","metaDescription":"Schneider LRD10S207 differential thermal overload relay, 4-6 A adjustment range, 1 NO + 1 NC, class 10A, IP20. Active production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Overload Relays"],"specifications":{"Depth":"70 mm","Range":"TeSys Deca","Width":"45 mm","Height":"66 mm","Standards":"EN/IEC 60947-4-1 EN/IEC 60947-5-1 EN 45545","Control type":"Red push-button: stop Blue push-button: reset selector switch: manual or automatic reset","Network type":"AC","Product name":"TeSys LRD","lifecycle_stage":"current","Flame retardance":"V1 conforming to UL 94","Mounting support":"Plate, with specific accessories Rail, with specific accessories Under contactor","Device short name":"LRD","Network frequency":"0...400 Hz","Tightening torque":"Signalling circuit: 1.7 N.m - on screw terminals Power circuit: 1.7 N.m - on screw terminals","Climatic withstand":"conforming to IACS E10","Device application":"Motor protection","Tripping threshold":"1.14 +/- 0.06 Ir conforming to IEC 60947-4-1","Dielectric strength":"1.89 kV at 50 Hz conforming to IEC 60947-1","Permissible current":"3 A at 120 V AC-15 for signalling circuit 1.5 A at 240 V AC-15 for signalling circuit 0.95 A at 380 V AC-15 for signalling circuit 0.72 A at 500 V AC-15 for signalling circuit 0.22 A at 125 V DC-13 for signalling circuit 0.1 A at 250 V DC-13 for signalling circuit","Signalling function":"Relay trip indicator","Mechanical robustness":"Vibrations: 6 Gn conforming to IEC 60068-2-6 Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7","Associated fuse rating":"4 A gG for signalling circuit 4 A BS for signalling circuit","Thermal overload class":"Class 10A conforming to IEC 60947-4-1","Connections - terminals":"Signalling circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² flexible without cable end Signalling circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² flexible with cable end Signalling circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² solid Power circuit: screw clamp terminals 1 cable(s) 1.5...10 mm² flexible without cable end Power circuit: screw clamp terminals 1 cable(s) 1...4 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 1...6 mm² solid","IP degree of protection":"IP20 conforming to IEC 60529","Temperature compensation":"-40...60 °C","Phase failure sensitivity":"Tripping current 130 % of Ir on two phase, the last one at 0 conforming to IEC 60947-4-1","Product or component type":"Differential thermal overload relay","Auxiliary contact composition":"1 NO + 1 NC","[Ui] rated insulation voltage":"Power circuit: 690 V conforming to IEC 60947-4-1 Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL","[Ue] rated operational voltage":"690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1","Ambient air temperature for storage":"-60...70 °C","Thermal protection adjustment range":"4...6 A","Ambient air temperature for operation":"-40...60 °C without derating conforming to IEC 60947-4-1","[Uimp] rated impulse withstand voltage":"6 kV","[Ith] conventional free air thermal current":"5 A for signalling circuit"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://www.se.com/be/en/product/LRD10S207/thermal-overload-relaytesys-deca-s20746a1no+1ncclass-10a/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LRD10S207/alternatives.json"},"ai":{"faq":[{"question":"What is the thermal protection adjustment range?","answer":"The adjustment range is 4-6 A, set via the dial on the front of the relay."},{"question":"What auxiliary contacts does it have?","answer":"It has 1 normally-open and 1 normally-closed contact (1 NO + 1 NC)."},{"question":"What standards does it comply with?","answer":"It complies with EN/IEC 60947-4-1, EN/IEC 60947-5-1, and EN 45545 for fire safety in rail applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LRD10S207","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/LRD10S207 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}}