700-RM400A1 ALLEN-BRADLEY Latching Relay

Review ALLEN-BRADLEY Series Latching Relay

The Allen-Bradley 700-RM400A1 Latching Relay, part number U-574, is a versatile and reliable electrical switching device designed for various automation applications. This latching relay is an essential component in control systems, enabling the selective activation or deactivation of other circuits or devices.

The U-574 Latching Relay is built with high-quality components and features a robust construction, ensuring a long service life and reliable performance. The relay is rated for a maximum operating voltage of 24V DC and can handle a current of up to 1 Ampere. This makes it suitable for use in a wide range of industrial automation applications.

The latching action of the relay means that once the contact is closed or opened, it stays in that position until manually reset or actuated again. This feature is particularly useful in applications where it is important to maintain a stable switching state, such as in sequencing or interlocking circuits.

The Allen-Bradley 700-RM400A1 Latching Relay features a compact design, measuring 1.56 inches (39.6 mm) in length, 1.12 inches (28.5 mm) in width, and 0.75 inches (19.1 mm) in height. This compact size makes it easy to install and integrate into various control systems, while its mounting holes allow for flexible mounting options.

The U-574 Latching Relay also comes with a number of important safety features, including a built-in over-temperature protection system and an open-circuit coil failure protection feature. These features help ensure the safe and reliable operation of the relay, even in demanding industrial environments.

The Allen-Bradley 700-RM400A1 Latching Relay is designed for easy integration into Allen-Bradley ControlLogix and CompactLogix systems, making it a popular choice for automation professionals. Its high-quality construction, reliable performance, and versatile features make it an essential tool for controlling and automating various industrial processes.

The Allen-Bradley 700-RM400A1 Latching Relay U-574 is a commonly used electrical component in automation systems. This relay offers several advantages and disadvantages, which are as follows:

1. Latching Function: This relay is designed to stay in the last position it was switched to until it is manually reset. This feature is useful when you need to maintain a contact closure for an extended period.

2. Compact Design: The U-574 relay is compact and can be easily mounted in control panels or other applications where space is limited.

3. High Contact Rating: The relay has a high contact rating, meaning it can handle a large number of switching cycles without wearing out.

4. Versatile Applications: The U-574 relay is widely used in various industries, including manufacturing, water and wastewater treatment, and oil and gas, due to its reliability and versatility.

1. Higher Cost: Compared to some other relays, the Allen-Bradley 700-RM400A1 Latching Relay U-574 may be more expensive.

2. Requires Additional Components: To fully utilize the features of the U-574 relay, you may need to purchase additional components, such as a power supply and a coil.

3. Limited Current Capacity: The U-574 relay has a limited current capacity, which may not be sufficient for some applications.

The Allen-Bradley 700-RM400A1 Latching Relay U-574 is a reliable and versatile electrical component with a compact design and high contact rating. However, it may be more expensive than some other relays, and it requires additional components to function fully. If your application requires a latching relay with a high contact rating and a compact design, the U-574 may be a suitable choice, despite its higher cost.

If you are looking for a latching relay with a high contact rating and a compact design, the Allen-Bradley 700-RM400A1 Latching Relay U-574 is a recommended option. However, if your budget is limited or if your application requires a higher current capacity, you may want to consider other options in the market. It is always recommended to consult with a qualified electrical engineer or technician to determine the best relay for your specific application.

Details:

The Allen Bradley 700-RM400A1 series b latching relay is a reliable and high-quality electrical component designed for various industrial commercial applications. With its latching function, it allows for secure and stable connections, making a valuable asset controlling automating electrical systems. The box is open with slight wear and tear. The product is new with slight wear and dust from sitting.

specifications genpurrelays:

• brand: Allen-bradley
• mpn: 700-rm400a1

shipping genpurrelays:

• carrier: usps
• service: usps ground advantage
• type: fixed
• transit: 4-8 days
• class: standard

payments genpurrelays:

• credit card: mastercard
• wallet: paypal
• other

general genpurrelays:

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

seller genpurrelays:

• # reviews: 1498
• rating: 99.9%
• city: erie, pennsylvania

returns genpurrelays:

• policy: returns accepted
• method: money back
• paid by: seller
• time: 30 days

offer genpurrelays:

• in stock #: 5
• availability: in stock
• sold #: 13
• prices: $25.99–$140.00
• item condition:
  • Used
  • New – Open box
• best offers: true
• options: ship-to-home
• started: february 26, 2026