ABB EF750-800 Overload Relay 250-800A 1SAX821001R1101

( Brand: Abb ), ( Manufacturer Part Number: EF750-800 ), ( Type: Electronic Overload Relay )

Review ABB Electronic Overload Relay

The ABB EF750-800 Overload Relay, model number SAX821001R1101, is a versatile and robust electrical component designed to provide overload protection for electrical circuits and motors. This overload relay is suitable for use with single-phase currents ranging from 250 to 800 Amperes.

The EF750-800 Overload Relay is part of ABB's Emax range, which is known for its advanced technology and high-performance capabilities. The relay is equipped with a bimetallic trip element that responds to overcurrent conditions by disconnecting the circuit when a predetermined threshold is exceeded. This helps to prevent damage to the connected equipment and ensures the safety of the users.

The relay housing is made of die-cast aluminum, which provides excellent heat dissipation and mechanical strength. The terminal box is sealed to IP66 degree of protection, making it suitable for use in harsh environments where dust and water are present. The terminal connections are easy to access and can be made using screw terminals or bolted terminals, depending on the user's preference.

The ABB EF750-800 Overload Relay is designed for easy installation and integration into various electrical systems. It comes with a built-in test switch, which allows users to perform a functional test of the relay without disrupting the power supply to the connected circuit. The relay also features a LED indicator, which provides visual feedback on its status.

The relay is suitable for use in various applications, including HVAC systems, pumps, compressors, and other industrial equipment. Its high current rating and robust design make it an ideal choice for demanding applications where reliable overload protection is essential.

In summary, the ABB EF750-800 Overload Relay, model number SAX821001R1101, is a high-performance and reliable electrical component that provides overload protection for single-phase electrical circuits and motors with currents ranging from 250 to 800 Amperes. Its advanced features, robust design, and ease of use make it a popular choice for industrial and commercial applications.

A Detailed Analysis of buying a ABB EF750-800 Overload Relay (1SAX821001R1101)

The ABB EF750-800 overload relay (1SAX821001R1101) is a widely used electrical component designed to protect motor circuits from overload conditions. Let's discuss the key features, advantages, and disadvantages of this overload relay to help you make an informed decision on your purchase.

1. Overload protection for motors up to 800A

2. Time-delay function for motor restart after overload

3. Type 1 and Type 2 overcurrent protection

4. Fuses or inverse time elements for overload protection

5. Compact design for easy installation

1. High breaking capacity: The ABB EF750-800 overload relay can handle currents up to 800A, making it suitable for larger motors and industrial applications.

2. Time-delay function: This feature allows the motor to cool down after an overload condition before being restarted, reducing the risk of thermal damage.

3. Versatility: With the option to use fuses or inverse time elements for overload protection, this relay can cater to various applications and user preferences.

4. Compact design: The small size of the relay makes it easy to install in confined spaces or in applications where space is a concern.

1. Cost: Compared to other overload relays in the market, the ABB EF750-800 can be more expensive due to its high-end features and the reputation of the ABB brand.

2. Complexity: The various options and settings on this overload relay might make it more complicated to install and operate for less experienced users.

The ABB EF750-800 overload relay (1SAX821001R1101) is a high-performance component that offers advanced features such as time-delay function, versatile protection options, and a compact design. While it may come with a higher price tag and a steeper learning curve, its superior capabilities make it an excellent choice for industrial applications requiring robust and reliable overload protection.

If you are seeking an overload relay for heavy-duty industrial applications, the ABB EF750-800 (1SAX821001R1101) is a worthwhile investment. Its advanced features and high reliability make it a top contender among overload relays in the market. However, if you are working on a budget or require a simpler solution, you may want to consider other options with more basic functionality.

Details:

LOC: CN2-2-PS.

part #: ef750800 prices

• $439.00-$569.31

specifications induservo:

• brand: Abb
• mpn: Ef750-800
• type: Electronic Overload Relay

offer induservo:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: February 17, 2026
• quantity: 2

returns induservo:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted
• method: Money back

general induservo:

• Drives Starters > Drives Motor Controls > Servo Drives Amplifiers
• condition: New Open box

shipping induservo:

• transit: 4-8 Days
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• cost: $0.00
• type: Calculated

seller induservo:

• city: Pell City, Alabama
• # reviews: 1903
• rating: 100.0%

payments induservo:

• wallet: Paypal
• other
• credit card: Mastercard

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