3M40-A

The FASCO 3M40-A Pole Contactor 30F030-4A HVAC Relay Switch is a versatile and robust electrical component designed for use in heating, ventilation, and air conditioning (HVAC) systems. This contactor is manufactured by FASCO, a renowned name in the electrical industry, known for its commitment to quality and innovation.

The contactor is a pole-mounted device, which means it mounts directly onto a pole or surface using screws or bolts. It measures approximately 3.7 inches long, 2.6 inches wide, and 1.6 inches high, making it a compact and space-efficient solution for controlling electrical circuits in HVAC applications.

The contactor comes with four Form A normally open (NO) contacts, each rated for a current of 30 amperes at 277 volts. These contacts are designed to provide reliable and secure electrical connections, ensuring efficient and effective operation of the HVAC system. The contacts are also rated for a contact voltage of 277 volts, making them suitable for use in single-phase electrical systems.

The contactor is equipped with a coil that is rated for a voltage of 24 volts DC and a current of 0.35 amperes. This coil is designed to provide quick and reliable response to electrical signals, ensuring that the contacts engage and disengage as intended. The contactor also features a built-in overload protector, which helps prevent damage to the electrical components by interrupting the circuit if the current flow exceeds safe levels.

The FASCO 3M40-A Pole Contactor 30F030-4A HVAC Relay Switch is designed to operate in harsh environments, with a temperature range of -40 F to 140 F (-40 C to 60 C). It is also UL listed, ensuring that it meets the highest standards of safety and quality. The contactor is easy to install and maintain, with clear labeling and a user-friendly design. Overall, this contactor is an excellent choice for HVAC professionals and DIY enthusiasts looking for a reliable and efficient solution for controlling electrical circuits in their heating, ventilation, and air conditioning systems.

The FASCO 3M40-A Pole Contactor 30F030-4A HVAC Relay Switch is a popular choice for those seeking a reliable and efficient solution for controlling heating, ventilation, and air conditioning (HVAC) systems. Below are some pros and cons to help you make an informed decision about purchasing this product.

1. Durable Construction: The contactor is built with heavy-duty materials, ensuring long-lasting performance.

2. Easy Installation: The product comes with clear instructions and mounting hardware, making installation a straightforward process.

3. Versatile Application: It can be used to control various HVAC systems, including single-phase and three-phase motors, compressors, and fans.

4. Safety Features: The contactor includes overload protection, which helps prevent motor burnouts and electrical fires.

5. Energy Savings: By accurately controlling the HVAC system, the contactor can lead to energy savings and reduced utility bills.

1. Cost: The FASCO 3M40-A Pole Contactor 30F030-4A HVAC Relay Switch may be more expensive compared to other contactors in its class.

2. Size: The contactor is relatively large, which may require additional space for installation.

3. Complexity: Compared to simpler on/off switches, this contactor may be more complex to set up and program, requiring additional time and expertise.

In conclusion, the FASCO 3M40-A Pole Contactor 30F030-4A HVAC Relay Switch offers several advantages, such as durability, easy installation, versatility, safety features, and energy savings. However, its cost, size, and complexity may be drawbacks for some consumers. Ultimately, if you are looking for a reliable and efficient solution for controlling your HVAC system, this contactor is worth considering.

Recommendation: If you are in the market for an HVAC contactor and are willing to invest in a durable and reliable option, the FASCO 3M40-A Pole Contactor 30F030-4A HVAC Relay Switch is a solid choice. Its versatility, safety features, and energy savings make it a worthwhile investment for both residential and commercial applications.

Details:

Please refer to the photos. Known for its durability and performance, this product from Fasco is a trusted choice controlling managing heating, ventilation, air conditioning systems. With its three poles and compatibility with specific model's, this contactor offers consistent smooth operation, making it a vital component for maintaining optimal system functionality.

specifications maxohvac:

• brand: Fasco
• mpn: 3m40-a
• part type: Pole Contactor Hvac Switch

seller maxohvac:

• # reviews: 10488
• rating: 99.6%
• city: garfield, new jersey

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

shipping maxohvac:

• class: standard
• transit: 5-11 days
• type: fixed
• service: standard

returns maxohvac:

• policy: returns accepted
• paid by: seller
• method: money back
• time: 30 days

payments maxohvac:

• wallet: google-pay
• credit card: discover
• other

offer maxohvac:

• started: june 5, 2026
• options: ship-to-home
• prices: $14.94–$63.77
• item condition:
  • New
  • Used
  • New – Open box
• in stock #: 5
• availability: in stock
• best offers: true
• sold #: 6

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