MP8000 LITTELFUSE Littlefuse Motor Relay Box

Review LITTELFUSE Littlefuse Motor Protection Relay New Open Box

The Littelfuse MP8000 Motor Relay Box is an innovative solution designed for automotive applications that require reliable and efficient motor control. This compact, robustly built relay box is specifically engineered to protect against overcurrent conditions and ensure safe operation of motors.

The MP8000 Motor Relay Box is designed with eight individually protected 30A motor relays. Each relay features a gold-plated contact for superior conductivity and longevity. The relays are mechanically interlocked, ensuring that only one relay can be energized at a time, preventing inadvertent motor activation.

The box is constructed from high-quality, flame-retardant material, ensuring protection against heat and fire. It is also designed to be resistant to vibration and shock, making it an ideal choice for automotive applications where the environment can be harsh.

The MP8000 Motor Relay Box also includes a built-in thermal protector, which monitors the temperature of the relays and shuts off power if the temperature exceeds safe levels, preventing damage to the relays and ensuring safe operation.

The box is designed for easy installation, with clear labeling on each terminal and a convenient mounting bracket that allows for secure attachment to various surfaces. The terminals are also designed to be easily accessible, making wiring and maintenance a straightforward process.

The Littelfuse MP8000 Motor Relay Box is the perfect solution for automotive applications where reliable and efficient motor control is essential. With its robust construction, individual relay protection, built-in thermal protector, and easy installation, this relay box is a must-have for any automotive repair shop or vehicle builder.

Pros and Cons of Buying Littelfuse MP8000 Motor Relay Box

The Littelfuse MP8000 motor relay box is a popular choice for controlling and protecting motors in various industrial applications. Like any other electrical component, it has its advantages and disadvantages. In this analysis, we will discuss the key pros and cons to help you make an informed purchasing decision.

1. Reliability: Littelfuse is a well-known brand in the electrical industry, and their products are known for their durability and reliability. The MP8000 motor relay box is no exception.

2. Protection: This relay box offers overload and short-circuit protection, ensuring the motor is not damaged due to overcurrent conditions.

3. Versatility: The MP8000 can be used with AC motors ranging from 2.5 kW to 15 kW, making it a versatile choice for various industrial applications.

4. Ease of Installation: The MP8000 features a modular design, allowing for easy installation and wiring, which can save time and labor costs.

5. Built-in Diagnostics: The relay box includes built-in diagnostics, making it easier to identify and troubleshoot issues.

1. Cost: Compared to some other motor relay boxes in the market, the Littelfuse MP8000 can be pricier.

2. Size: The MP8000 is slightly larger than some competing products, which might require more space for installation.

3. Complexity: While the modular design simplifies installation, the overall complexity of the MP8000 might be more than simpler alternatives for less demanding applications.

The Littelfuse MP8000 motor relay box offers several advantages, including reliability, protection, versatility, ease of installation, and built-in diagnostics. However, its cost and size might be a concern for some users. Ultimately, if you are looking for a high-performance, durable motor relay box for industrial applications with demanding requirements, the Littelfuse MP8000 is an excellent choice. On the other hand, if your application is less complex and cost is a primary concern, you may want to consider alternative options.

If you require a robust and reliable motor relay box for industrial applications and have the budget for it, the Littelfuse MP8000 is an excellent investment. Its features, such as overload and short-circuit protection, modular design, and built-in diagnostics, make it a valuable asset for ensuring the longevity and smooth operation of your industrial motors. However, if you have a smaller budget or less complex requirements, you might want to explore alternative options that better suit your needs.

Details:

Ethernet communications port. 4 programmable delay timers. The MP8000 series provides locked rotor, overload, over temperature, and unbalance protection. The MP8000 series motor protection relay is designed to protect three-phase or single-phase motors with operating voltage s of 90-690 v ac use external potential transformers can extend upper voltage range above 690.

The protection is unsurpassed by combining overload, voltage , phase loss and reversal, voltage current imbalance, power monitoring, under load in one package. Compatible with Ethernet mod bus Tc/IP and Ethernet/IP. Choose from automatic, semi-automatic, or manual to best meet individual application needs. Flexible reset.

Voltage -based protection elements are standard. These relays include inverse time-over current elements suitable for overload protection, and they also provide monitoring functions. Benefits access through iPhone or android smartphone. Remote monitoring.

Program separate delay times for power up, rapid cycle protection, motor cool down, and under load restarting. Features Bluetooth capability. Network communications capability. 3 delectable restart options.

From c output can be programmed to ground fault, trip indication, or network control. Reset can be done through push button on panel, remotely via the network. Programmable auxiliary relay output.

specifications genpurrelays:

• brand: Littelfuse
• mpn: Mp8000
• type: Protection Relay

shipping genpurrelays:

• type: calculated
• service: ups ground
• class: standard
• transit: 3-6 days
• carrier: ups

seller genpurrelays:

• city: sabetha, kansas
• # reviews: 77
• rating: 100.0%

offer genpurrelays:

• best offers: true
• started: january 9, 2026
• prices: $495.00–$858.87
• item condition:
  • New – Open box
  • New
  • Used
• sold #: 9
• in stock #: 5
• availability: in stock
• options: ship-to-home

general genpurrelays:

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

payments genpurrelays:

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

returns genpurrelays:

• policy: no returns