MK02D LINE ELECTRIC Relay Esterline

Review LINE ELECTRIC Relays Relay 110vdc Esterline

The Esterline Technologies Line Electric MK02D is a versatile 110VDC coil operated relay, designed for use in various industrial automation applications. This relay, specifically model MK02D, is part of Esterline's extensive range of high-quality electrical components.

This relay is engineered to provide reliable switching functionality for electrical circuits, featuring a contact rating of 10A at 250VAC or 15A at 125VAC. The MK02D is designed to operate with a 110VDC coil voltage, making it suitable for use in applications where a lower voltage coil is required.

The construction of the MK02D is robust and durable, with a die-cast aluminum housing that provides excellent heat dissipation and mechanical protection. The contacts within the relay are made of high-quality silver alloy, ensuring long-lasting performance and minimal wear.

The MK02D features a latching contact design, meaning that it remains in the last position it was switched to until it is manually reset. This design is ideal for applications where the relay needs to maintain a specific state, such as in a control system or automation application.

The relay also comes equipped with a built-in current limiting resistor, providing an additional layer of safety and protection against overload conditions. Additionally, it features a normally open (NO) contact configuration, which means that the contacts are open when the coil is not energized and close when the coil is energized.

The MK02D is an essential component for any industrial automation system, offering reliable, long-lasting switching functionality in a compact and robust package. Its wide voltage range and versatile design make it a valuable addition to any electrical control system, ensuring seamless and efficient operation.

The Esterline Technologies MK02D 110VDC Line Voltage Relay is a type of electromechanical switch used to protect electrical circuits from overvoltage conditions. This relay operates on line voltage, which makes it suitable for applications where the control voltage is not available at the point of protection. Here are some pros and cons of buying this particular relay model.

1. Overvoltage protection: This relay is designed to protect electrical circuits from overvoltage conditions, which is crucial in applications where equipment or personnel could be at risk from voltage surges or power line transients.

2. Versatile application: The MK02D relay can be used in a wide range of applications, including power distribution systems, telecommunications networks, and industrial automation systems, making it a versatile choice for many different industries.

3. Reliable: Esterline Technologies is a reputable manufacturer of electrical components, and their MK02D relay is known for its reliability and durability. It is designed to withstand harsh environmental conditions and can operate in temperatures ranging from -40 C to 85 C.

4. Low maintenance: The MK02D relay is a simple electromechanical device, which means that it requires minimal maintenance compared to more complex solid-state relays or digital protection devices.

5. Easy to install: The relay is relatively small and compact, which makes it easy to install in a wide range of applications. It also comes with clear markings and instructions, making it easy to set up and configure.

1. Limited control options: The MK02D relay does not offer any advanced control options, such as remote monitoring or adjustable settings. This could be a limitation for applications where more advanced protection features are required.

2. Manual reset: This relay requires manual reset after a trip, which can be time-consuming and inconvenient in applications where quick restoration of power is essential.

3. Limited overvoltage range: The MK02D relay is designed to protect against overvoltage conditions up to a certain limit. If the expected voltage surge is higher than the relay's rated capacity, then a more robust protection device may be required.

4. Potential for noise: Electromechanical relays can generate noise during operation, which could interfere with other electrical equipment or communication systems. This could be a concern in applications where quiet operation is essential.

5. Limited lifecycle: The MK02D relay has a finite lifecycle, which means that it will eventually wear out and need to be replaced. This could be a limitation for applications where long-term reliability is essential, and where the cost of frequent replacement is a concern.

The Esterline Technologies MK02D 110VDC Line Voltage Relay is a reliable and versatile protection device that is suitable for a wide range of applications where overvoltage protection is required. Its simplicity, low maintenance, and ease of installation make it an attractive choice for many different industries. However, its limited control options, manual reset, and finite lifecycle are important considerations that should be taken into account before making a purchase. Ultimately, the decision to buy this relay depends on the specific requirements of your application and the trade-offs that you are willing to make.

If you are looking for a simple and cost-effective solution for overvoltage protection in a wide range of applications, then the Esterline Technologies MK02D 110VDC Line Voltage Relay could be a good choice for you. However, if you require more advanced control options, quick restoration of power, or long-term reliability, then you may want to consider other protection devices, such as solid-state relays or digital protection devices, which offer more advanced features but may be more complex and expensive. Ultimately, the best choice depends on the specific needs of your application and your budget.

Details:

Line relays MK02D relay: details: you are buying one new relay as shown in the pictures. Location 24-3. Special delivery arrangements can be made as needed we buy sell and repair all industrial Electrical parts.

Surplus from a large manufacturers spare parts room.

specifications genpurrelays:

• brand: Line Electric
• mpn: Mk02d

seller genpurrelays:

• city: columbus, ohio
• rating: 100.0%
• # reviews: 843

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• paid by: buyer
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• policy: returns accepted
• time: 30 days

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general genpurrelays:

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

offer genpurrelays:

• sold #: 7
• best offers: true
• started: february 13, 2026
• in stock #: 5
• options: ship-to-home
• prices: $9.10–$35.00
• item condition:
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