
SXT79R Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $54.99 | Top Pick! Condition is New, Supco SXT79R 75VA HVAC Transformer 120/208/240/480 V, FREE SHIPPING | 100.0% |
![]() | $47.48 | Condition is New, NEW SupCo SXT79R Control Transformer 24V 75VA - 120/208/240/480V, shipping cost = $16.00 | 100.0% |
![]() | $64.85 | Top Pick! Condition is New, SUPCO SXT79R Transformer 120/208/240/480V 24V 75VA Foot Mount UL Approved, FREE SHIPPING | ![]() |
![]() | $67.25 | Condition is New, Supco SXT79R TRNSFMR 75VA 120/208/240/480, FREE SHIPPING | 98.6% |
![]() | $69.28 | Top Pick! Condition is New, Supco SXT79R - TRANSFORMER 75VA 120/208/240/480 SXT79R, FREE SHIPPING | ![]() |
![]() | $73.59 | Condition is New, SUPCO SUP-SXT79R 75VA Transformer, FREE SHIPPING | ![]() |

The SUPCO SXT79R 75VA HVAC Transformer is a versatile and reliable electrical component designed for use in heating, ventilation, and air conditioning (HVAC) systems. This transformer comes with a 75VA capacity, which makes it suitable for handling moderate power requirements in various HVAC applications.
This transformer operates on a wide voltage range of 120/208/240/480 volts, making it adaptable to different power supply configurations. It is particularly beneficial in installations where voltage availability varies or where multiple voltage options are required.
The SXT79R HVAC Transformer is mounted with a type E34 base, ensuring secure and stable mounting in your HVAC equipment. This base type is commonly used in various industrial applications and offers good electrical insulation, as well as ease of installation and maintenance.
Equipped with a 24V secondary winding, this transformer is designed to provide the lower voltage level needed for most HVAC control systems and components. The 24V output voltage is suitable for applications such as compressor condenser fans, thermostats, ignitors, and other low voltage controls.
This SUPCO transformer is constructed with high-quality components to ensure uniform winding, proper winding insulation, and excellent metal stub shaft construction. These aspects contribute to its excellent efficiency, power factor, and stability. The transformer is built to meet and comply with the RoHS and CE directives, ensuring environmental compliance and certifying its integration into modern HVAC systems.
The SXT79R HVAC Transformer comes with easy-to-access primary and secondary terminals, facilitating installation, maintenance, and connection to the respective power and control lines. The transformer's enclosure is designed with durability and thermal management in mind, featuring a reinforced die-cast aluminum housing that protects the internal components against potentially hazardous environments and temperature fluctuations.
Overall, the SUPCO SXT79R 75VA HVAC Transformer is an efficient, adaptable, and dependable solution to power your HVAC systems with various voltage requirements. Its robust design, including the E34 mount base and high-quality components, guarantees stable and long-lasting performance.
Pros and Cons of buying a SUPCO SXT79R 75VA HVAC Transformer
1. Overview:The SUPCO SXT79R is a 75VA, 24 volt, mount E34 HVAC transformer that is rated for 120/208/240/480 volts. This transformer is widely used for providing secondary voltages for heating and cooling systems in commercial and industrial applications.
Pros:a) Versatile Voltage Range: With its ability to provide various voltage options, this transformer caters to a broad range of HVAC systems, making it an ideal choice for systems with varying power requirements.
b) High Power Capacity: The SXT79R's 75VA capacity ensures it can handle significant loads. It's suitable for medium to large scale HVAC systems that demand higher power input.
c) Robust Construction: The transformer is built to last, with a durable housing and thick copper windings that can withstand heavy use in industrial settings.
d) Safe Operating Conditions: This transformer is designed to operate effectively under extreme temperature conditions, making it suitable for use in environments where temperature variations might occur.
Cons:a) Size and Weight: The SXT79R is a bulky and heavy transformer, which may pose challenges for installation in confined spaces or areas with limited access.
b) Price: Its advanced features and high power capacity come at a higher cost when compared to smaller, less sophisticated transformers, making it less affordable for smaller scale HVAC systems.
c) Complex Installation Process: Due to its size and power requirements, installing the SXT79R may necessitate the involvement of professional electricians, adding to the overall cost and complexity of the project.
d) Harmonic Distortions: Transformers, in general, might produce harmonic distortions, which can cause excessive power loss and inefficiencies in HVAC systems. While this transformer is designed to minimize harmonic distortion, it may not entirely eliminate the issue.
Conclusion:The SUPCO SXT79R 75VA HVAC transformer addresses the power needs of medium to large scale HVAC systems by offering a wide range of voltage options, high capacity, and robust construction. However, its bulky size, complex installation process, relatively high cost, and potential for producing harmonic distortions might deter smaller businesses and those with limited budgets. Ultimately, the decision to purchase the SXT79R should be based on your specific HVAC system requirements, available budget, and installation capabilities. Before making a final decision, consider consulting a professional electrician for advice on the best option for your unique situation.
Recommendation:For smaller HVAC systems or those with limited budgets, consider alternatives with lower voltage and power capacities to save on costs and simplify installation. However, if you require a high power HVAC transformer to support medium to large scale systems and are willing to accept the added complexity and cost, the SUPCO SXT79R could be a suitable investment. Always consult a qualified electrician for professional advice and equipment recommendations tailored to your specific needs.
Details:
Shipped with USPS ground advantage. Supco SXT79R 75VA hvac transformer 120/208/240/480 volts 24 volt foot mount e34.
specifications maxohvac:
- brand: Supco
- mpn: Sxt79r
- model: Sxt79r 75va
- part type: Transformer Hvac Mount
- upc: 687152150946
offer maxohvac:
- prices: $47.48–$73.59
- item condition: New
- sold #: 21
- in stock #: 5
- started: january 23, 2025
- options: ship-to-home
- availability: in stock
seller maxohvac:
- rating: 99.5%
- city: kidder, missouri
- # reviews: 3792
returns maxohvac:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: seller
shipping maxohvac:
- type: fixed
- transit: 4-8 days
- class: standard
- carrier: usps
- service: usps ground advantage
payments maxohvac:
- wallet: paypal
- other
- credit card: diners-club
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
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