TRADEPRO P/N TP-CON-3/24/40-A – Genuine OEM Definite Purpose Contactor (3-Pole, 24V, 40A)

The TRADEPRO TP-CON-3/24/40-A is a Genuine Original Equipment Manufacturer (OEM) definite purpose contactor designed for high-performance switching in residential and commercial refrigeration, air conditioning, and electric heating systems. This heavy-duty 3-pole contactor is engineered to manage the high-current electrical loads of compressors and fan motors, ensuring reliable system start-ups and operation. Choosing an authentic TRADEPRO replacement ensures the exact electrical ratings and mounting compatibility required by your HVAC unit, preventing premature component failure or safety hazards common with lower-quality generic alternatives. 

Being a Genuine OEM component (Catalog Number TP-CON-3/24/40-A), it features silver cadmium oxide contacts and a Class B insulation system (+130°C) for superior heat resistance and electrical conductivity. This specific model is a versatile replacement for most major HVAC brands, providing a stable 24V control circuit for 3-phase or high-amperage single-phase equipment. Installing the original factory part maintains the system's UL/CSA certifications and ensures compliance with factory-spec safety protocols.

Key Features and Function:

• Definite Purpose Design: Optimized specifically for HVAC and refrigeration systems with a focus on durability and high cycle life.
• Genuine OEM Reliability: Official TRADEPRO replacement (distributed by Carrier Enterprise) built to factory standards for exact fitment and long-term durability.
• Enhanced Contact Life: High-grade silver cadmium oxide contacts resist pitting and welding under heavy electrical loads.
• Universal Mounting: Features a universal foot-mounting base that allows for easy replacement of most 3-pole contactor brands. 

Product Details and Key Specifications:

• Part Number: TP-CON-3/24/40-A
• Catalog #: TP-CON-3/24/40-A
• Manufacturer: TRADEPRO (Distributed by Carrier Enterprise)
• Part Type: Definite Purpose Contactor
• Poles: 3-Pole
• Coil Voltage: 24 VAC
• Full Load Amps (FLA): 40A
• Resistive Amps (RES): 50A
• Switching Voltage: Up to 600 VAC
• Frequency: 50/60 Hz
• Terminal Connection: Lug or Quick Connect
• Gross Shipping Weight: 1.15 LB 

🛠️ HVAC Depot Pro Tip: The "Pitting and Buzzing" Test

Over time, the high-voltage contacts inside your TP-CON-3/24/40-A will begin to "pit" or develop carbon buildup from electrical arcing. If you hear a loud "buzzing" or "chattering" sound when the unit calls for cooling, or if your outdoor fan runs but the compressor won't start, the contactor is likely failing. Even if the coil tests fine with a multimeter, excessive pitting creates high resistance that can overheat and destroy your compressor. Always replace a noisy or burnt contactor immediately to avoid a much more expensive repair.

Cross-Reference:

The TP-CON-3/24/40-A is a direct OEM replacement for the following part numbers:

• OEM & Catalog Numbers: TP-CON-3/24/40-A, TP-CON-3/24/40, HN53TD024, HCCY3XQ04CG.
• Brand Specific Replacements: Carrier TT-CON-3/24/40, Hartland Controls CON-3/24/40, Supco DP40243, Square D DPA43V14, Honeywell DP3040A5002.

Extensive Model Compatibility List:

• Carrier/Bryant/Payne: Found in numerous 3-phase and high-tonnage 1-phase rooftop units and split system condensers.
• Commercial Series: Compatible with various Lennox, Trane, and York commercial air conditioners requiring a 3-pole, 24V, 40A contactor.