{"product_id":"schneider-lrd21","title":"LRD21","description":"\u003ch2\u003eBuy Schneider Electric LRD21 – Product Overview\u003c\/h2\u003e\n\u003cp\u003eThe Schneider Electric LRD21 is a TeSys Deca thermal overload relay engineered for reliable motor protection in industrial automation systems. Operating at 690V AC with a thermal setting range of 12–18A and Class 10A tripping characteristics, this single-phase differential thermal overload relay integrates seamlessly with LC1D contactors (LC1D18, LC1D25, LC1D32, LC1D38). Built for high-fault short-circuit current ratings and equipped with screw clamp terminals, the LRD21 delivers robust protection against motor overload conditions across North America, Europe, and international industrial markets.\u003c\/p\u003e\n\n\u003ch2\u003eSchneider Electric LRD21 Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThermal setting range: 12–18A with Class 10A tripping\u003c\/li\u003e\n\u003cli\u003eRated operational voltage: 690V AC (0–400 Hz)\u003c\/li\u003e\n\u003cli\u003eDifferential thermal overload protection for 3-phase motors up to 7.5kW @ 400V\u003c\/li\u003e\n\u003cli\u003eIP20 protection rating with screw clamp terminals\u003c\/li\u003e\n\u003cli\u003eBlue reset pushbutton and red stop pushbutton for operator safety\u003c\/li\u003e\n\u003cli\u003eTemperature compensation: −20 to +60°C without derating\u003c\/li\u003e\n\u003cli\u003eCompact dimensions: 45mm width × 70mm depth, 0.124 kg\u003c\/li\u003e\n\u003cli\u003ePhase failure sensitivity at 130% of rated current\u003c\/li\u003e\n\u003cli\u003e6kV rated impulse withstand voltage for reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSchneider Electric LRD21 Specifications \u0026amp; Datasheet\u003c\/h2\u003e\n\u003cp\u003eAccess the official Schneider Electric LRD21 specifications to ensure compatibility with your motor protection circuit. The relay features screw clamp terminals rated for 2.5 N·m (power circuit) and 1.7 N·m (control circuit) tightening torque, supporting cable sizes from 1–6 mm² (solid) and 1.5–10 mm² (flexible). Ambient operating range is −20 to +60°C; storage range extends to −60 to +70°C. Flame retardance meets UL 94 V1 standards; fire resistance rated at 850°C per IEC 60695-2-1. The device includes 5A conventional free air thermal current for signalling circuits and 1.5A permissible current at 240V AC-15.\u003c\/p\u003e\n\n\u003ch2\u003eSchneider Electric LRD21 Applications in Industrial Automation\u003c\/h2\u003e\n\u003cp\u003eThe Schneider Electric LRD21 is widely deployed in motor drive and control systems, factory automation, production line protection, and machine automation environments. Its differential thermal overload protection makes it ideal for three-phase motor circuits requiring Class 10A trip characteristics. Common applications include pump motors, conveyor systems, compressor protection, and industrial control panels across manufacturing and process industries worldwide.\u003c\/p\u003e\n\n\u003ch2\u003eSchneider Electric LRD21 Price \u0026amp; Worldwide Availability\u003c\/h2\u003e\n\u003cp\u003eView Schneider Electric LRD21 pricing and check real-time stock status for global dispatch. As a worldwide industrial parts distributor with operations in Canada and the United States, LeadTime.ca sources genuine OEM thermal overload relays with fast international shipping. Contact our team for bulk order pricing, export documentation, and competitive rates on factory-grade automation components.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy Schneider Electric Products from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eEvery product on LeadTime.ca is genuine, authentic OEM, and factory-tested—sourced from verified Schneider Electric suppliers. We specialize in export-ready automation components with global shipping available to North America, Europe, Asia, and international industrial markets. Our commitment to quality, rapid fulfillment, and transparent pricing ensures you receive reliable motor protection equipment backed by manufacturer warranties and technical support.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to order?\u003c\/strong\u003e \u003ca href=\"https:\/\/leadtime.ca\/pages\/contact\" target=\"_blank\"\u003eContact LeadTime.ca to enquire about this part\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/schneider\" target=\"_blank\"\u003eBrowse Schneider Electric industrial automation products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\" target=\"_blank\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Global Supply\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":47894884286763,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/36._Schneider_lrd21_c0f91b4f-062f-410b-8c62-cc901fd8cb76.jpg?v=1777835644","url":"https:\/\/leadtime.ca\/products\/schneider-lrd21","provider":"LEADTIME","version":"1.0","type":"link"}