{"product_id":"schneider-electric-square-d-lrd22l-relay","title":"Schneider Electric (Square D) LRD22L Relay","description":"\u003cp\u003eThe \u003cstrong\u003eSchneider Electric (Square D) LRD22L\u003c\/strong\u003e is a heavy-duty bimetallic \u003cstrong\u003ethermal overload relay\u003c\/strong\u003e engineered for precise \u003cstrong\u003emotor protection\u003c\/strong\u003e in demanding industrial and HVACR environments. Designed for seamless integration, this unit features an \u003cstrong\u003eadjustable amperage range\u003c\/strong\u003e of 17 to 24 Amps and is specifically rated as a \u003cstrong\u003eClass 20 trip relay\u003c\/strong\u003e, making it ideal for high-inertia motor startups where standard Class 10 protection would cause nuisance tripping. This \u003cstrong\u003edifferential overload relay\u003c\/strong\u003e provides critical \u003cstrong\u003ephase unbalance protection\u003c\/strong\u003e and \u003cstrong\u003ephase loss sensitivity\u003c\/strong\u003e, ensuring the longevity of your 3-phase equipment by detecting irregularities before they lead to winding burnout.\u003c\/p\u003e\n\n\u003cp\u003eBuilt for the \u003cstrong\u003eTeSys Deca\u003c\/strong\u003e and \u003cstrong\u003eTeSys D\u003c\/strong\u003e series, the \u003cstrong\u003eLRD22L\u003c\/strong\u003e mounts directly to the bottom of \u003cstrong\u003eLC1D25, LC1D32, and LC1D38 contactors\u003c\/strong\u003e, creating a compact and robust motor starter configuration. Techs will appreciate the \u003cstrong\u003emanual-automatic reset selector\u003c\/strong\u003e and the dedicated stop\/test buttons that allow for rapid diagnostics in the field. With a \u003cstrong\u003e690V rated operational voltage\u003c\/strong\u003e and multi-standard compliance including \u003cstrong\u003eUL, CSA, and IEC 60947-4-1\u003c\/strong\u003e, this component is a standard-issue solution for contractors requiring reliable \u003cstrong\u003eSquare D motor control\u003c\/strong\u003e hardware that handles \u003cstrong\u003e17-24AMP\u003c\/strong\u003e loads without compromise.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits for the Jobsite:\u003c\/strong\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect Contactor Mounting:\u003c\/strong\u003e Optimized for \u003cstrong\u003eTeSys D contactors\u003c\/strong\u003e (D25–D38), reducing installation time and enclosure space.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Motor Safety:\u003c\/strong\u003e \u003cstrong\u003eClass 20 protection\u003c\/strong\u003e handles longer starting times, preventing unnecessary downtime while maintaining tight thermal oversight.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhase Failure Protection:\u003c\/strong\u003e Integrated \u003cstrong\u003edifferential detection\u003c\/strong\u003e automatically identifies phase unbalance to prevent single-phasing damage.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eField Adjustable:\u003c\/strong\u003e Features a clear \u003cstrong\u003e17-24A adjustment dial\u003c\/strong\u003e for fine-tuning protection to the specific Full Load Amps (FLA) of the motor.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuxiliary Signaling:\u003c\/strong\u003e Includes 1 NO + 1 NC contacts for local \u003cstrong\u003etrip signaling\u003c\/strong\u003e and integration into control circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Technician Questions:\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eWhat contactors are compatible with the LRD22L?\u003c\/strong\u003e\u003cbr\u003e\nThis relay is designed for direct connection to \u003cstrong\u003eSchneider Electric LC1D25, LC1D32, and LC1D38\u003c\/strong\u003e contactors. For separate mounting away from the contactor, a \u003cstrong\u003eLAD7B205 terminal block adapter\u003c\/strong\u003e is required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this relay suitable for single-phase applications?\u003c\/strong\u003e\u003cbr\u003e\nYes, the \u003cstrong\u003eLRD22L\u003c\/strong\u003e can be used in single-phase applications by wiring the poles in series to ensure the \u003cstrong\u003ebimetallic strips\u003c\/strong\u003e react correctly to the current flow through all three phases.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between this and the standard LRD22?\u003c\/strong\u003e\u003cbr\u003e\nThe \"L\" suffix designates this as a \u003cstrong\u003eClass 20 relay\u003c\/strong\u003e, compared to the standard LRD22 which is a Class 10. This makes the \u003cstrong\u003eLRD22L\u003c\/strong\u003e the correct choice for motors with longer starting cycles or higher starting torque requirements.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":15215454158963,"sku":"LRD22L","price":104.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/products\/1_9f8bb2c5-1a0d-4311-a17c-0d5c7340e23c.png?v=1535585672","url":"https:\/\/www.gsistore.com\/en-ca\/products\/schneider-electric-square-d-lrd22l-relay","provider":"GSIstore","version":"1.0","type":"link"}