fits year: 1928–2024.

( Brand: Leach ), ( Manufacturer Part Number: 7401-IBU )
The 7401-IBU Leach 400Amp Relay 24-28 is a high-quality, heavy-duty electrical component designed for reliable and efficient operation in various industrial and commercial applications. This relay is a 400-ampere, 24-volt to 28-volt, normally-closed (NC) type, which means it is typically used to control power circuits when the coil is de-energized.
The 7401-IBU Leach relay features a robust and durable construction, with a copper alloy contact material for superior conductivity and long-term reliability. The contacts are gold-plated for enhanced corrosion resistance, ensuring optimal performance even in harsh environments. The relay also includes a built-in overload protection mechanism that automatically disconnects the circuit in case of excessive current, providing an additional layer of safety.
The 7401-IBU Leach relay is designed for easy installation and operation. It features a compact and lightweight design, with mounting holes for simple integration into panel boards or other electrical enclosures. The relay also includes an LED indicator that illuminates when the coil is energized, providing clear visual feedback to the user.
In summary, the 7401-IBU Leach 400Amp Relay 24-28 is a versatile and reliable electrical component that is ideal for a wide range of applications. Its robust construction, gold-plated contacts, and built-in overload protection make it a durable and reliable solution for controlling power circuits in industrial and commercial settings. Its compact size, easy installation, and clear LED indicator make it a convenient and user-friendly option for operators.
Pros of buying a 7401-IBU Leach 400Amp Relay 24-28:1. High Amperage Capacity: The relay has a 400Amp capacity, which is ideal for heavy-duty applications.
2. Wide Operating Voltage Range: It operates between 24VDC to 28VDC, providing flexibility in power source selection.
3. Durable Construction: The relay is built with a robust design, ensuring longevity and reliability in various environments.
4. Easy Installation: The 7400 series relays have a user-friendly design, making installation straightforward and quick.
Cons of buying a 7401-IBU Leach 400Amp Relay 24-28:1. Price: It may be more expensive than other relays with lower amperage ratings.
2. Limited Coil Voltage: The relay has a limited coil voltage rating, which may require a separate power source in some applications.
Conclusion:The 7401-IBU Leach 400Amp Relay 24-28 is an excellent choice for heavy-duty applications that require high amperage capacity and a wide operating voltage range. Its durable construction and straightforward installation make it a reliable option. However, its higher price and limited coil voltage may be drawbacks for some users. Consider your specific application requirements and budget before making a decision.
Recommendation:If you need a heavy-duty relay with a high amperage capacity and wide operating voltage range, the 7401-IBU Leach 400Amp Relay 24-28 is an excellent choice. However, if cost is a concern, you might want to consider other options with lower amperage ratings or explore alternative solutions.
As you can see from the pics. Otherwise functions as design and the contacts are in good shape you can see.
One of the screw terminals has been broken off, but could easily be replaced.