What amp contactor do I need for my Carrier system?

The correct replacement for Carrier model YAC48110YACX104AC is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Carrier equipment which lists the model number YAC48110YACX104AC.

My AC clicks but the compressor does not turn on. What is wrong?

Clicking from the outdoor unit without the compressor starting usually means a worn contactor. The contactor is the relay that sends power to the compressor. When its contacts are pitted or worn, it clicks but cannot establish a solid electrical connection. Other symptoms: visible pitting or burn marks on the contactor face, AC works intermittently, or buzzing from the contactor.

Is this contactor compatible with Bryant or Payne systems too?

Many Carrier parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

Carrier

OEM Carrier 3-Pole Contactor 24V 40A for YAC48110YACX104AC

Name: OEM Carrier 3-Pole Contactor 24V 40A for YAC48110YACX104AC
Brand: Carrier
SKU: CARRIE-YAC48110YACX104AC-CONTACTOR-HN53CD024
Price: 176.40 USD
Availability: InStock

SKU: CARRIE-YAC48110YACX104AC-CONTACTOR-HN53CD024 Brand: Carrier

✓ Guaranteed to fit YAC48110YACX104AC — or your money back. Terms

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OEM Carrier 3-Pole Contactor 24V 40A — HN53CD024 for Model YAC48110YACX104AC

This is the genuine OEM Carrier contactor (part number HN53CD024), the factory-specified high-voltage relay for the Carrier YAC48110YACX104AC packaged unit. The contactor acts as the primary power switching device in your system's electrical circuit — when the thermostat calls for cooling or heating, the 24V control board energizes the contactor coil, closing the high-voltage contacts that deliver power to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an HVAC system appears completely unresponsive: you may hear a click with no startup, notice the compressor humming but not running, or find the system fails to energize at all even with a good thermostat signal.

Specs: 3-Pole configuration | 24V AC coil voltage | 40A continuous current rating | Max 600V load side | Screw-mount terminal design | Factory-matched OEM tolerances
OEM vs Generic: This is a genuine Carrier OEM contactor built to exact factory specifications. Generic contactors often use lower-grade contact materials that arc and pit faster under load, leading to premature failure — especially in high-cycle commercial and residential packaged units like the YAC48110YACX104AC.
Install difficulty: 3/5 — Always shut off power at the disconnect before servicing. Tools needed: multimeter (to verify de-energized circuits), flathead and Phillips screwdrivers, needle-nose pliers, and wire labels or a phone camera to document wiring before disconnecting. Transfer wires one at a time to avoid miswiring.
Warranty: 1-year OEM manufacturer warranty. In-stock units ship same business day from our warehouse when ordered before cutoff.

Compatibility: Designed as a direct OEM replacement for the Carrier YAC48110YACX104AC packaged unit. Verify your existing contactor's pole count, coil voltage (24V), and amperage rating on the data plate or existing component label before ordering. Our fitment team is available to confirm compatibility prior to purchase — don't guess on a part this critical to your system's operation.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $99
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Carrier 3-Pole Contactor 24V...

$176.40

Frequently Asked Questions

Does this Contactor fit my Carrier YAC48110YACX104AC?

Yes. This is the factory-specified OEM contactor for the Carrier YAC48110YACX104AC. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the contactor on my Carrier YAC48110YACX104AC?

Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Open condensing unit panel. Step 3: Photograph ALL wiring on the contactor. Step 4: Label each wire with tape. Step 5: Disconnect wires and remove old contactor. Step 6: Mount new contactor, reconnect wires matching your photo. Step 7: Restore power and test.

My AC clicks but the compressor won’t turn on. What’s wrong?

Clicking from the outdoor unit without the compressor starting = worn contactor. The contactor sends power to the compressor. When its contacts are pitted, it clicks but can’t make solid contact. Look for: visible pitting/burn marks on the contactor face, intermittent operation, or buzzing.

Is this contactor compatible with Bryant or Payne too?

Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Carrier contactor?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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OEM Carrier 3-Pole Contactor 24V 40A for YAC48110YACX104AC

OEM Carrier 3-Pole Contactor 24V 40A — HN53CD024 for Model YAC48110YACX104AC

Shipping Information

Return Policy

Frequently Asked Questions