{"product_id":"lifetime-warranty-cjx21210-ac-contactor-3-pole-25-amp-220vac-coil-normally-open-replacement-for-air-conditioner-heat-pump-refrigeration-systems","title":"[Lifetime Warranty] CJX2-1210 AC Contactor 3 Pole 25 Amp 220VAC Coil - Normally Open, Replacement for Air Conditioner, Heat Pump \u0026 Refrigeration Systems","description":"\u003ch2\u003eCJX2-1210 AC Contactor (3-Pole, 25A, 220VAC Coil)\u003c\/h2\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Switching:\u003c\/strong\u003e Rated for up to 25 Amps, making it ideal for managing the high-current startup loads of compressors and fan motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Pole Design:\u003c\/strong\u003e Features three sets of Normally Open (N.O.) power contacts to switch multiple phases or legs of power simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e220VAC Operating Coil:\u003c\/strong\u003e Designed to be triggered by standard 220V control signals commonly found in industrial and heavy-duty HVAC\/R systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Auxiliary Contact:\u003c\/strong\u003e Includes one built-in Normally Open (1NO) auxiliary contact for signaling, status feedback, or interlocking with other control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail \u0026amp; Screw Mount:\u003c\/strong\u003e Dual mounting options provide flexibility for installation in standard electrical control boxes or custom enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CJX2-1210\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole + 1NO (Normally Open) Auxiliary\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current (AC-3):\u003c\/strong\u003e 12A (General) \/ 25A Max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Voltage:\u003c\/strong\u003e 220V AC, 50\/60Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage (Ui):\u003c\/strong\u003e 660V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Flame-retardant outer shell with high-conductivity silver alloy contacts for long electrical life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Applications\u003c\/h3\u003e\n\u003cp\u003eThis contactor is a versatile replacement for motor control and heating systems across various brands. Common applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHVAC\/R:\u003c\/strong\u003e Controlling outdoor condenser units, heat pump compressors, and large refrigeration evaporators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Motors:\u003c\/strong\u003e Starting and stopping 3-phase AC motors in conveyor systems, pumps, and fans.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighting \u0026amp; Heating:\u003c\/strong\u003e Switching high-wattage resistance heaters or large commercial lighting arrays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Fits many systems requiring LC1-D1210 or equivalent 220V 12A\/25A contactors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChattering or Humming:\u003c\/strong\u003e A loud buzzing noise indicates the internal solenoid coil is weak or the contacts are dirty and vibrating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurnt Contacts:\u003c\/strong\u003e Visible blackening or pitting on the contact points, which can cause the motor to \"single-phase\" and burn out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStuck in \"On\" or \"Off\":\u003c\/strong\u003e Contacts have welded shut due to an electrical surge, or the return spring has failed, preventing the circuit from opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurnt Coil Smell:\u003c\/strong\u003e An acrid odor or visible melting near the A1\/A2 terminals indicates the electromagnetic coil has shorted out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Turn off all power to the equipment at the main breaker. Verify that no voltage is present with a multimeter before touching terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Labeling:\u003c\/strong\u003e Label your wires before disconnecting. \u003cstrong\u003eL1, L2, L3\u003c\/strong\u003e are for incoming power; \u003cstrong\u003eT1, T2, T3\u003c\/strong\u003e are for the load (motor); and \u003cstrong\u003eA1, A2\u003c\/strong\u003e are for the 220V control coil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTight Connections:\u003c\/strong\u003e Ensure all screw terminals are tightened firmly. Loose connections create high resistance, which leads to heat and premature failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Use the DIN rail clip for a clean snap-fit or secure the unit to the backplate using the mounting holes to prevent vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerification:\u003c\/strong\u003e After installation, ensure the manual override plunger moves freely and isn't obstructed by any stray wire strands.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46497320239293,"sku":"AZ00270239","price":14.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00270239_1.jpg?v=1764142092","url":"https:\/\/bluestarsparts.com\/products\/lifetime-warranty-cjx21210-ac-contactor-3-pole-25-amp-220vac-coil-normally-open-replacement-for-air-conditioner-heat-pump-refrigeration-systems","provider":"BlueStars Parts","version":"1.0","type":"link"}