CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open
CJX2-1210 3-pole AC contactor with 220VAC coil and 25A rating for HVAC and refrigeration systems.
CJX2-1210 3-pole 25A 220VAC contactor for air conditioner and heat pump systems with technical specification overlay.
Close-up of CJX2-1210 3-pole AC contactor showing technical specifications label for HVAC and refrigeration systems.
Technician installing a CJX2-1210 AC contactor to fix air conditioner performance issues.
CJX2-1210 AC contactor showing silver alloy contact terminals and 3-pole design with close-up detail.
Close-up of CJX2-1210 AC contactor showing the protective high-quality plastic housing.
Woman relaxing on a couch under an air conditioner, representing the function of a CJX2-1210 AC contactor.
CJX2-1210 3-pole AC contactor with 220VAC coil and 25A rating for HVAC and refrigeration systems.
CJX2-1210 3-pole 25A 220VAC contactor for air conditioner and heat pump systems with technical specification overlay.
Close-up of CJX2-1210 3-pole AC contactor showing technical specifications label for HVAC and refrigeration systems.
Technician installing a CJX2-1210 AC contactor to fix air conditioner performance issues.
CJX2-1210 AC contactor showing silver alloy contact terminals and 3-pole design with close-up detail.
Close-up of CJX2-1210 AC contactor showing the protective high-quality plastic housing.
Woman relaxing on a couch under an air conditioner, representing the function of a CJX2-1210 AC contactor.

CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open

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$11.99
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$11.99
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CJX2-1210 AC Contactor (3-Pole, 25A, 220VAC Coil)

Key Features

  • High-Capacity Switching: Rated for up to 25 Amps, making it ideal for managing the high-current startup loads of compressors and fan motors.
  • 3-Pole Design: Features three sets of Normally Open (N.O.) power contacts to switch multiple phases or legs of power simultaneously.
  • 220VAC Operating Coil: Designed to be triggered by standard 220V control signals commonly found in industrial and heavy-duty HVAC/R systems.
  • Integrated Auxiliary Contact: Includes one built-in Normally Open (1NO) auxiliary contact for signaling, status feedback, or interlocking with other control circuits.
  • DIN Rail & Screw Mount: Dual mounting options provide flexibility for installation in standard electrical control boxes or custom enclosures.

Technical Specifications

  • Model: CJX2-1210
  • Poles: 3-Pole + 1NO (Normally Open) Auxiliary
  • Rated Current (AC-3): 12A (General) / 25A Max
  • Coil Voltage: 220V AC, 50/60Hz
  • Insulation Voltage (Ui): 660V
  • Material: Flame-retardant outer shell with high-conductivity silver alloy contacts for long electrical life.

Compatibility & Applications

This contactor is a versatile replacement for motor control and heating systems across various brands. Common applications include:

  • HVAC/R: Controlling outdoor condenser units, heat pump compressors, and large refrigeration evaporators.
  • Industrial Motors: Starting and stopping 3-phase AC motors in conveyor systems, pumps, and fans.
  • Lighting & Heating: Switching high-wattage resistance heaters or large commercial lighting arrays.
  • Replacement: Fits many systems requiring LC1-D1210 or equivalent 220V 12A/25A contactors.

When to Replace

  • Chattering or Humming: A loud buzzing noise indicates the internal solenoid coil is weak or the contacts are dirty and vibrating.
  • Burnt Contacts: Visible blackening or pitting on the contact points, which can cause the motor to "single-phase" and burn out.
  • Stuck in "On" or "Off": Contacts have welded shut due to an electrical surge, or the return spring has failed, preventing the circuit from opening.
  • Burnt Coil Smell: An acrid odor or visible melting near the A1/A2 terminals indicates the electromagnetic coil has shorted out.

Installation Tips

  • Safety First: Turn off all power to the equipment at the main breaker. Verify that no voltage is present with a multimeter before touching terminals.
  • Terminal Labeling: Label your wires before disconnecting. L1, L2, L3 are for incoming power; T1, T2, T3 are for the load (motor); and A1, A2 are for the 220V control coil.
  • Tight Connections: Ensure all screw terminals are tightened firmly. Loose connections create high resistance, which leads to heat and premature failure.
  • Mounting: Use the DIN rail clip for a clean snap-fit or secure the unit to the backplate using the mounting holes to prevent vibration.
  • Verification: After installation, ensure the manual override plunger moves freely and isn't obstructed by any stray wire strands.
CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 1
CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 2
CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 3
CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 4
  • CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 1

    Perfect fit

    Our Contactor can replace 3 pole contactors rated at 20A 25A on air conditioners and heat pumps.
  • CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 2

    Premium quality

    The Contactor is made of strong silver alloy which is oxidation resistant, high conductivity, and corrosion resistant.
  • CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 3

    Saving solution

    Effortlessly energize your machine with our Contactor - BlueStars brings DIY solutions to help you deal with any trouble.
  • CJX2-1210 AC Contactor, 3 Pole 25A 220VAC Coil, Normally Open 4

    Simple installation

    Our product is designed to be easily removed and replaced, allowing for quick and convenient maintenance.
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Compatible Models

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FAQs

CJX2-1210 identifies the contactor series and contact arrangement. The 1210 designation refers to a 3-pole contactor with 1 normally open auxiliary contact (3P+1NO). This specific version features a 220VAC coil. Always match the series, pole layout, auxiliary contact style, and coil voltage to your original part before ordering.
This unit is suitable for air-conditioning, heat pump, refrigeration, and other control-panel applications that require a CJX2-1210 style contactor with a 220VAC coil and the specified pole/contact configuration. Compatibility depends on matching the electrical specifications of your original part, including coil voltage, number of poles, auxiliary contact type, mounting style, and current rating. Verify the markings on your existing contactor and your equipment wiring diagram before installation.
Compare your current unit against the CJX2-1210 and CJX2-1210-220V specifications. Note that the CJX2-1201-220V is a different variant featuring a 3P+NC auxiliary contact arrangement; it is not a direct substitute for this 3P+NO model unless your circuit specifically requires that configuration.
Common symptoms include the unit failing to start despite control voltage, audible chattering or buzzing, visible pitting or burning on the contacts, a melted coil housing, intermittent compressor or fan operation, or a contactor that remains stuck in the open or closed position. In HVAC and refrigeration systems, these issues often manifest as a lack of cooling, condenser fan failure, or unpredictable equipment cycling.
Replacing a contactor is a moderate electrical repair. You will typically need insulated screwdrivers, needle-nose pliers, a multimeter, and labels or tape to mark wires before removal. If access is clear, the replacement process generally takes 15 to 30 minutes. Ensure power is fully isolated and verified as off before handling any wiring. This installation should only be performed by someone experienced in reading terminal markings and confirming coil voltage.
Before installation, verify that the coil voltage, pole count, auxiliary contact layout, terminal markings, mounting method, and current rating match your original part. It is also important to inspect for root causes that may have damaged the previous contactor, such as loose terminals, overheated wires, voltage mismatch, excessive motor or compressor current draw, moisture, or carbon buildup from arcing. If the original part failed due to overheating, inspect all connected loads and wiring condition before energizing the new unit.
Only use this contactor if the electrical specifications match your application requirements. The CJX2-1210 is rated for 12A; do not rely on the model family name alone if your equipment requires a different current capacity. Always check the rating marked on your original contactor and the equipment nameplate or schematic to confirm the correct current capacity, coil voltage, and contact arrangement. If these specifications do not match, select the exact replacement required for your system.