Daikin-McQuay 073322502 Contactor
The Daikin-McQuay 073322502 Contactor is a critical replacement component engineered for high-reliability switching in HVACR systems. This 2-pole magnetic contactor is rated for a 30-amp inductive load and utilizes a 24V AC control coil, making it a standard fit for many residential and light commercial condensing units and air handlers. Built to handle definite purpose contactor applications, the 073322502 features durable silver cadmium oxide contacts to resist welding and pitting under high-inrush startup currents. The compact frame allows for straightforward installation in tight electrical control boxes, while the normally open (N.O.) contacts ensure a positive break when the thermostat call for cooling ends. When replacing a Daikin 073322502, ensure the FLA and LRA ratings match the compressor or motor requirements to prevent premature coil failure or contact arcing. This OEM HVAC contactor provides the mechanical longevity necessary for cycling high-amperage loads in demanding environments.
Key Benefits for Technicians:
- Universal Compatibility: Direct replacement for various Daikin and McQuay electrical parts requiring a 30A, 2-pole configuration.
- Reliable Coil Performance: The 24V contactor coil is designed for low power consumption and consistent pull-in voltage even during peak demand.
- Enhanced Durability: Constructed with shrouded terminals and high-grade plastics to prevent dust accumulation and moisture-related shorts.
- Simplified Wiring: Features standard box lugs and spade terminals to accommodate typical field wiring layouts for condensing unit contactors.
Common Technical Questions:
Can I use this 30-amp contactor if my old one was rated for 25 amps?
Yes, you can typically upsize the amperage rating of a definite purpose contactor as long as the coil voltage (24V) and the number of poles match. Using a 30A contactor to replace a 25A unit often results in longer contact life due to the increased surface area.
Will this 2-pole contactor work in place of a 1-pole contactor?
While it is electrically possible to use a 2-pole 30A contactor to replace a 1-pole-with-shunt model, you must ensure you are breaking both legs of the power supply or jumpering correctly to maintain the original circuit logic and safety clearances.
What causes a contactor coil to chatter or hum?
Chattering is usually caused by low voltage to the 24V coil (often due to a failing transformer or high-resistance wiring) or debris trapped between the armature and the magnet. If the 073322502 is humming loudly, check for pitted contacts or mechanical misalignment.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $77.17
-65%$77.17
$27.01Daikin-McQuay 073322502 Contactor
The Daikin-McQuay 073322502 Contactor is a critical replacement component engineered for high-reliability switching in HVACR systems. This 2-pole magnetic contactor is rated for a 30-amp inductive load and utilizes a 24V AC control coil, making it a standard fit for many residential and light commercial condensing units and air handlers. Built to handle definite purpose contactor applications, the 073322502 features durable silver cadmium oxide contacts to resist welding and pitting under high-inrush startup currents. The compact frame allows for straightforward installation in tight electrical control boxes, while the normally open (N.O.) contacts ensure a positive break when the thermostat call for cooling ends. When replacing a Daikin 073322502, ensure the FLA and LRA ratings match the compressor or motor requirements to prevent premature coil failure or contact arcing. This OEM HVAC contactor provides the mechanical longevity necessary for cycling high-amperage loads in demanding environments.
Key Benefits for Technicians:
- Universal Compatibility: Direct replacement for various Daikin and McQuay electrical parts requiring a 30A, 2-pole configuration.
- Reliable Coil Performance: The 24V contactor coil is designed for low power consumption and consistent pull-in voltage even during peak demand.
- Enhanced Durability: Constructed with shrouded terminals and high-grade plastics to prevent dust accumulation and moisture-related shorts.
- Simplified Wiring: Features standard box lugs and spade terminals to accommodate typical field wiring layouts for condensing unit contactors.
Common Technical Questions:
Can I use this 30-amp contactor if my old one was rated for 25 amps?
Yes, you can typically upsize the amperage rating of a definite purpose contactor as long as the coil voltage (24V) and the number of poles match. Using a 30A contactor to replace a 25A unit often results in longer contact life due to the increased surface area.
Will this 2-pole contactor work in place of a 1-pole contactor?
While it is electrically possible to use a 2-pole 30A contactor to replace a 1-pole-with-shunt model, you must ensure you are breaking both legs of the power supply or jumpering correctly to maintain the original circuit logic and safety clearances.
What causes a contactor coil to chatter or hum?
Chattering is usually caused by low voltage to the 24V coil (often due to a failing transformer or high-resistance wiring) or debris trapped between the armature and the magnet. If the 073322502 is humming loudly, check for pitted contacts or mechanical misalignment.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Daikin-McQuay 073322502 Contactor is a critical replacement component engineered for high-reliability switching in HVACR systems. This 2-pole magnetic contactor is rated for a 30-amp inductive load and utilizes a 24V AC control coil, making it a standard fit for many residential and light commercial condensing units and air handlers. Built to handle definite purpose contactor applications, the 073322502 features durable silver cadmium oxide contacts to resist welding and pitting under high-inrush startup currents. The compact frame allows for straightforward installation in tight electrical control boxes, while the normally open (N.O.) contacts ensure a positive break when the thermostat call for cooling ends. When replacing a Daikin 073322502, ensure the FLA and LRA ratings match the compressor or motor requirements to prevent premature coil failure or contact arcing. This OEM HVAC contactor provides the mechanical longevity necessary for cycling high-amperage loads in demanding environments.
Key Benefits for Technicians:
- Universal Compatibility: Direct replacement for various Daikin and McQuay electrical parts requiring a 30A, 2-pole configuration.
- Reliable Coil Performance: The 24V contactor coil is designed for low power consumption and consistent pull-in voltage even during peak demand.
- Enhanced Durability: Constructed with shrouded terminals and high-grade plastics to prevent dust accumulation and moisture-related shorts.
- Simplified Wiring: Features standard box lugs and spade terminals to accommodate typical field wiring layouts for condensing unit contactors.
Common Technical Questions:
Can I use this 30-amp contactor if my old one was rated for 25 amps?
Yes, you can typically upsize the amperage rating of a definite purpose contactor as long as the coil voltage (24V) and the number of poles match. Using a 30A contactor to replace a 25A unit often results in longer contact life due to the increased surface area.
Will this 2-pole contactor work in place of a 1-pole contactor?
While it is electrically possible to use a 2-pole 30A contactor to replace a 1-pole-with-shunt model, you must ensure you are breaking both legs of the power supply or jumpering correctly to maintain the original circuit logic and safety clearances.
What causes a contactor coil to chatter or hum?
Chattering is usually caused by low voltage to the 24V coil (often due to a failing transformer or high-resistance wiring) or debris trapped between the armature and the magnet. If the 073322502 is humming loudly, check for pitted contacts or mechanical misalignment.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
