MKH3D LINE RELAYS Relay Esterline

Review LINE RELAYS 12vdc 12v Dc Relay Esterline

The MKH-3D line relay from Esterline is a versatile and reliable solution for controlling electrical circuits using digital signals. This 12V DC 12V relay is designed to handle inductive loads up to 50VA and resistive loads up to 10A, making it suitable for a wide range of applications.

The MKH-3D features a compact size, measuring just 51mm x 35mm x 20mm, making it easy to install in even the most space-constrained environments. The relay uses a mechanically operated SPST contact, ensuring reliable switching of electrical loads.

The relay is controlled using a digital signal, which can be either TTL or CMOS logic level. The relay's coil consumes a maximum current of 0.3A and requires a minimum voltage of 12V DC to operate. The coil has a contact rating of 10,000 cycles, ensuring long-lasting performance even under heavy usage.

The MKH-3D has a number of built-in protection features to ensure safe and reliable operation. These include overload protection, which prevents the relay from being damaged if the load exceeds the rated capacity, and reverse polarity protection, which prevents the relay from being damaged if the voltage polarity is incorrect.

The relay comes with a mounting plate and screws, making installation simple and straightforward. Additionally, it features a clear and concise labeling of the terminal connections, making it easy to identify the correct wiring for your application.

Overall, the MKH-3D line relay from Esterline is an excellent choice for those seeking a reliable and versatile switching solution for their electrical applications. Its compact size, wide range of compatibility with loads, and built-in protection features make it a popular choice for automation systems, industrial control panels, and other applications where precise and reliable switching is essential.

Line relays, specifically the MKH3D model by Esterline, are commonly used in various automation and control systems due to their reliable performance. Here are some pros and cons of buying this type of relay:

1. Suitable for 12VDC applications: The MKH3D relay is designed to operate on 12VDC, making it a popular choice for low-voltage systems.

2. Robust design: These relays are known for their durability and can withstand harsh environments, making them ideal for industrial applications.

3. Low power consumption: Compared to other relays, the MKH3D models consume less power, resulting in energy savings and reduced operating costs.

4. Versatile: These relays can be used in various applications, including motor control, solenoid control, and machine automation.

5. Easy to install: The relays come with standard terminals and are simple to wire, making installation a straightforward process.

1. Limited current capacity: The MKH3D relays have a limited current capacity, which may not be suitable for heavy-duty applications requiring high current loads.

2. Limited coil voltage: These relays can only be operated with a 12VDC coil voltage, which may not be compatible with some systems.

3. Limited contact rating: The contact rating of the MKH3D relays may not be sufficient for high-cycle applications or applications requiring frequent contact switching.

4. Manual operation: These relays do not come with built-in control circuitry, meaning they must be manually operated or controlled through external means.

In conclusion, the MKH3D line relays by Esterline offer several advantages, such as durability, low power consumption, and ease of installation. However, they may not be suitable for heavy-duty applications requiring high current loads or frequent contact switching. It is essential to consider your specific application requirements before purchasing these relays.

If your application falls within the capabilities of the MKH3D relays, then they can be an excellent choice due to their reliability, low power consumption, and ease of installation. However, if you require higher current capacity or frequent contact switching, you may need to consider other types of relays. Ultimately, it is important to carefully evaluate your application requirements before making a purchase to ensure you select the most suitable relay for your needs.

Details:

Line Relays MKH3D relay: details:: you are buying one new relay as shown in the pictures. Surplus from a large manufacturers spare parts room. Location 29-20. We buy sell and repair all industrial electrical parts.

Special delivery arrangements can be made as needed.

specifications genpurrelays:

• brand: Line Relays
• mpn: Mkh3d
• country of origin: United States

general genpurrelays:

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

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• transit: 2-4 days
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• # reviews: 1245
• city: columbus, ohio
• rating: 100.0%

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• time: 30 days
• policy: returns accepted
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offer genpurRelays:

• started: june 8, 2026
• options: ship-to-home
• availability: in stock
• sold #: 5
• prices: $11.87–$25.00
• item condition:
  • New – Open box
  • New
  • Used
  • Seller refurbished
• in stock #: 5
• best offers: true