1. General Purpose Relays Items
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  3. DAYTON 1EHD4A

1EHD4A DAYTON Spdt Relay Ac General Hvac Control

1EHD4A DAYTON Spdt Relay Ac General Hvac Control
Product Information
BrandDAYTON
Manufacturer Part Number1EHD4A
Part TypeAC HVAC CONTROL
Country Of OriginUNITED STATES

Review DAYTON Spdt Relay 120v Ac General Purpose Hvac Control Lots Of

The Dayton 1EHD4A SPDT Relay is a 1-Form-A, Single-Pole, Double-Throw (SPDT) relay designed for use in various HVAC (Heating, Ventilation, and Air Conditioning) control applications. This relay operates on 120V AC power and is an essential component in many automated control systems.

This Dayton relay features a silver-plated contact set, ensuring reliable and long-lasting performance. The contacts are rated for a maximum current of 10 amperes and a maximum voltage of 120V AC. The coil, which is located at the bottom of the relay, is rated for a maximum voltage of 120V AC and a maximum current of 0.35 amperes.

This SPDT relay comes in a compact and robust design, measuring 2.1 inches long, 1.7 inches wide, and 1 inch high. Its white powder-coated finish not only provides a clean and professional appearance but also helps protect the device from dust and other environmental hazards.

The Dayton 1EHD4A relay is equipped with a clear plastic cover that shields the contacts, ensuring safe operation and preventing accidental contact with moving parts. Additionally, it includes a mounting tab on the backside for easy mounting and installation in various control panels and applications.

This versatile relay can be used in various HVAC control applications, such as fan control, compressor contactor control, and temperature control systems. Its reliable performance, long-lasting contacts, and ease of installation make it an excellent choice for DIY projects and professional applications alike.

In summary, the Dayton 1EHD4A SPDT Relay is a high-quality, compact, and reliable device designed for use in various HVAC control applications. Its silver-plated contacts, easy installation, and robust design make it a valuable component for any control system.

The Dayton 1EHD4A SPDT Relay is a 120V AC general-purpose relay commonly used in HVAC (Heating, Ventilation, and Air Conditioning) control systems. Here are some pros and cons that may help you make an informed decision about purchasing this relay:

Pros:

1. Reliable: This relay is known for its durability and reliability, making it a popular choice for HVAC applications.

2. Versatile: It can be used to control various types of loads such as motors, solenoids, and compressors.

3. Easy to Install: The relay is easy to install, and its compact size makes it ideal for installations with limited space.

4. Affordable: The Dayton 1EHD4A SPDT Relay is priced competitively compared to other similarly featured relays in the market.

5. UL Listed: This relay is UL listed, ensuring that it meets the safety standards set by Underwriters Laboratories.

Cons:

1. Limited Current Capacity: This relay has a maximum current capacity of 10 amps, which may not be sufficient for high-current applications.

2. No Indicator Light: The relay does not have an indicator light, which may make it difficult to determine if the relay is engaged or not.

3. Manual Operation: This relay must be manually operated, which may not be ideal for applications requiring automatic control.

Conclusion:

The Dayton 1EHD4A SPDT Relay is a reliable and affordable option for general-purpose HVAC control applications with a maximum current capacity of 10 amps. Its compact size and easy installation make it a popular choice for DIY projects and professional installations. However, its lack of an indicator light and manual operation may not be suitable for all applications.

Recommendation:

If you are looking for a general-purpose relay for HVAC control applications with a maximum current capacity of 10 amps, the Dayton 1EHD4A SPDT Relay is an excellent option. However, if you require a higher current capacity or an indicator light, you may want to consider other relays with those features. Additionally, if you need automatic control, you may want to explore other options such as solid-state relays or contactors.

Details:

With its specific model number and voltage rating, this relay is a versatile dependable option for wide range of control systems. Made by the brand Dayton, this 120v ac relay is manufactured in USA. The package includes lots of 4 relays, making it ideal for various industrial and commercial applications where reliable electrical control is needed.

specifications genpurrelays:

  • brand: Dayton
  • mpn: 1ehd4a
  • part type: Ac Hvac Control
  • country of origin: United States

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  • category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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  • sold #: 6
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  • started: april 22, 2026
  • prices: $45.00–$99.99
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rating: 100.0% out of 100 based on 168 user ratings.
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