{"product_id":"chint-nr2-25-overload-relay-for-nc1-1810-nc1-1801-nc1-2510-nc1-2501-9-18a","title":"Chint NR2-25 Overload Relay for NC1-1810 NC1-1801 NC1-2510 NC1-2501 9-18A","description":"\u003ch1 data-path-to-node=\"2\"\u003eChint NR2-25 Thermal Overload Relay (9–18A)\u003c\/h1\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eThe \u003cb data-path-to-node=\"4\" data-index-in-node=\"4\"\u003eChint NR2-25 Thermal Overload Relay\u003c\/b\u003e is a compact, precision-engineered motor protection device designed to safeguard low-to-medium capacity three-phase AC motors against electrical overloads, phase unbalances, and locked-rotor conditions. Engineered specifically for direct plug-in mounting onto \u003cb data-path-to-node=\"4\" data-index-in-node=\"300\"\u003eChint NC1-1810, NC1-1801, NC1-2510, and NC1-2501 magnetic contactors\u003c\/b\u003e, this thermal relay delivers reliable and responsive thermal monitoring across commercial and industrial motor control applications.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eOperating within an adjustable current setting range of \u003cb data-path-to-node=\"5\" data-index-in-node=\"56\"\u003e9A to 18A\u003c\/b\u003e, the NR2-25 utilizes high-grade bimetallic sensing mechanisms to monitor operational current continuously. Upon detecting an overload condition, it interrupts the control circuit to protect motor windings from destructive thermal stress and premature failure, helping maintain operational continuity and extending motor service life.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eKey Features \u0026amp; Technical Advantages\u003c\/h3\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eAdjustable Current Range (9–18A):\u003c\/b\u003e Features a calibrated adjustment dial that allows precise setting to match the full-load current (FLC) rating of the connected motor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eDirect Contactor Compatibility:\u003c\/b\u003e Designed for seamless, plug-in direct mounting onto \u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"84\"\u003eChint NC1-1810, NC1-1801, NC1-2510, and NC1-2501 contactors\u003c\/b\u003e, eliminating external wiring and saving panel space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003ePhase-Loss Protection:\u003c\/b\u003e Integrated differential phase-failure protection mechanism ensures rapid tripping in the event of a single-phasing condition, shielding three-phase motors from severe phase unbalance heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eDual Reset Modes (Manual \u0026amp; Auto):\u003c\/b\u003e Equipped with a selectable reset switch, allowing technicians to choose between Manual reset for maintenance safety and Automatic reset for automated control applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eIntegrated Trip Test Mechanism:\u003c\/b\u003e Includes an easy-to-use test button to manually test control circuit continuity and auxiliary contacts without generating a fault current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,5,0\"\u003e\u003cb data-path-to-node=\"8,5,0\" data-index-in-node=\"0\"\u003eAuxiliary Contact Configuration:\u003c\/b\u003e Features standard 1 NO (Normally Open) + 1 NC (Normally Closed) electrically isolated contacts for seamless integration into alarm signaling and interlock control circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eThe Chint NR2-25 thermal overload relay is ideal for protecting medium-capacity electrical equipment and machinery, including:\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003eCommercial air conditioning units, exhaust fans, and ventilation blowers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003eIndustrial water pumps, booster pump systems, and circulation units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003ePackaging lines, conveyors, and automated assembly equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003eGeneral motor starter panels and direct-on-line (DOL) control assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"14\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eBrand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003eChint\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eModel Series\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003eNR2-25\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eCompatible Contactors\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003eChint NC1-1810, NC1-1801, NC1-2510, NC1-2501\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eAdjustable Current Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e9A – 18A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eNumber of Poles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003e3-Pole (3-Phase)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-path-to-node=\"15,6,0,0\" data-index-in-node=\"0\"\u003eRated Insulation Voltage (Ui)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003e690V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,7,0,0\"\u003e\u003cb data-path-to-node=\"15,7,0,0\" data-index-in-node=\"0\"\u003eAuxiliary Contacts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,7,1,0\"\u003e1 NO + 1 NC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,8,0,0\"\u003e\u003cb data-path-to-node=\"15,8,0,0\" data-index-in-node=\"0\"\u003eReset Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,8,1,0\"\u003eManual \/ Auto (Selectable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,9,0,0\"\u003e\u003cb data-path-to-node=\"15,9,0,0\" data-index-in-node=\"0\"\u003eMounting Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,9,1,0\"\u003eDirect Mount to Contactor \/ DIN Rail with Adapter Base\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,10,0,0\"\u003e\u003cb data-path-to-node=\"15,10,0,0\" data-index-in-node=\"0\"\u003eStandards Compliance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,10,1,0\"\u003eIEC\/EN 60947-4-1, IEC\/EN 60947-5-1, CE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eWhy Choose Chint Protection Devices?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003eChint is a global leader in low-voltage electrical apparatus, recognized for delivering high-efficiency, cost-effective, and certified electrical protection solutions. Built to international safety standards, Chint thermal overload relays offer robust performance, high trip repeatability, and long operational service life for industrial infrastructure.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"19\"\u003e\n\u003cp data-path-to-node=\"19,0\"\u003e\u003cb data-path-to-node=\"19,0\" data-index-in-node=\"0\"\u003eAvailability \u0026amp; Ordering Information\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19,1\"\u003e\u003cb data-path-to-node=\"19,1\" data-index-in-node=\"0\"\u003eAvailable in Electx Electrical Supply.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19,2\"\u003eContact \u003cb data-path-to-node=\"19,2\" data-index-in-node=\"8\"\u003eElectx Electrical Supply\u003c\/b\u003e today to check stock availability, request pricing quotations, or order original Chint thermal overload relays and compatible contactors for your upcoming projects!\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Chint","offers":[{"title":"9-13A","offer_id":67307411406923,"sku":"NR2-25-9-13A","price":1260.0,"currency_code":"PHP","in_stock":false},{"title":"12-18A","offer_id":67307411439691,"sku":"NR2-25-12-18A","price":1260.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/9732\/7179\/files\/Chint_NR2-25_Overload_Relay_for_NC1-1810_NC1-1801_NC1-2510_NC1-2501_9-18A_I_Electx_Electrical_Supply.jpg?v=1792733340","url":"https:\/\/www.electxelectricalsupply.com\/products\/chint-nr2-25-overload-relay-for-nc1-1810-nc1-1801-nc1-2510-nc1-2501-9-18a","provider":"Electx Electrical Supply","version":"1.0","type":"link"}