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YCK HVAC Contactor

The YCK series is a robust and reliable HVAC Contactor specifically engineered to control the start and stop of critical components in air conditioning systems, such as compressors, fans, and condensers. Compliant with the IEC 60947-4-1 standard, it ensures safe and efficient power switching for a wide range of applications, from residential units to large commercial and central HVAC systems.

Key Technical Specifications

ParameterSpecification
Product Series YCK
Standard IEC 60947-4-1
Current Ratings 30A, 40A, 50A, 60A, 75A, 90A
Number of Poles 1P, 2P, 3P, 4P (e.g., YCK-30/1, YCK-30/2, YCK-30/3, YCK-30/4)
Coil Voltages (AC) 24V, 120V, 208/240V, 277V
Insulation Class Class B (130°C)
Operating Temperature -40°C to +65°C
Altitude ≤ 2000m
Terminal Type Aluminum pressure clamp / Quick connect

Main Features & Benefits

HVAC-Optimized Design: Specifically built as an HVAC contactor for controlling compressors, fans, and condensers.
High Reliability & Durability: Robust construction ensures long service life under frequent switching conditions.
Wide Voltage Compatibility: Multiple coil voltage options allow for flexible integration into different control circuits.
Compact & Easy to Install: Standard dimensions and pressure clamp terminals simplify mounting and wiring.
Safe Operation: Complies with international safety standards (IEC 60947-4-1).

Typical Applications

  • Residential split and window air conditioning units
  • Commercial rooftop units (RTUs) and packaged systems
  • Central air conditioning chiller and fan coil controls
  • Heat pump systems
  • Condenser and cooling tower fan control

Operating Conditions

  • Ambient Temperature: -40°C to +65°C
  • Relative Humidity: ≤ 90% at 20°C (non-condensing)
  • Altitude: Up to 2000 meters above sea level
  • Environment: Must be free from harmful gases, excessive conductive dust, explosive atmospheres, and severe vibration.

Note: For specific model selection, detailed coil power consumption, and dimensional drawings, please refer to the complete product datasheet or contact technical support.

FAQ

Q1: What does an HVAC contactor do?
An HVAC contactor is an electromagnetic switch that controls power to major components like the compressor and condenser fan motor in your AC unit, activating them when cooling is needed.

Q2: How to tell if an HVAC contactor is bad?
Common signs include the outdoor unit not starting, a frequent clicking sound, visible burning/pitting on the contacts, or a loud humming noise from the contactor itself.

Q3: How much does it cost to replace a contactor on an AC unit?
Replacement typically costs between $150 and $400, including parts and professional labor. The part itself is often under $100, with most of the cost covering expert service.

Q4: What is the $5000 rule for HVAC?
It’s a guideline suggesting that if a repair cost multiplied by your system’s age exceeds $5,000, replacing the entire HVAC system is often more cost-effective than repairing it.


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