1616-T021S24 ALLEN BRADLEY Reed Logic Relay Unit

Review ALLEN BRADLEY Dry Reed Logic Relay Unit Used Free Shipping

The Allen-Bradley 1616-T021S24 Reed Logic Relay Unit is an essential component in various industrial automation applications. This versatile relay unit comes with 24 individually fused, normally open reed contacts that provide reliable and maintenance-free switching action.

Each contact is rated for a maximum operating voltage of 28 volts DC and a contact capacity of 0.5 amperes at 25 degrees Celsius. The contacts can handle a maximum voltage of 30 volts AC or 60 volts DC, making them suitable for a wide range of electrical loads.

The 1616-T021S24 Reed Logic Relay Unit features a compact design, with a width of only 3.1 inches (78.7 mm) and a depth of 5.5 inches (139.7 mm), making it an excellent choice for space-constrained installations. It also has a height of 1.7 inches (43.15 mm), which allows it to be easily mounted in standard 1-inch (25.4 mm) DIN rail applications.

The unit's reed contacts provide a highly reliable switching mechanism that is not affected by external factors such as temperature, humidity, or vibration. These contacts are also self-cleaning, ensuring that they maintain good contact over extended periods of use.

The Allen-Bradley 1616-T021S24 Reed Logic Relay Unit offers excellent electrical isolation, with each contact having a minimum isolation voltage of 1,000 volts AC between contacts and ground. It also features a built-in test function, which allows you to easily verify the integrity of the contacts.

Additionally, this relay unit is compatible with a wide range of control systems and programming languages, including Rockwell Automation's RSLogix 500 and Studio 5000 software. This flexibility makes it an ideal choice for applications that require integration with various control systems.

In summary, the Allen-Bradley 1616-T021S24 Reed Logic Relay Unit is a high-performance and versatile component for industrial automation applications. Its compact size, reliable reed contacts, excellent electrical isolation, and compatibility with various control systems make it an excellent choice for a wide range of applications.

The Allen Bradley 1616-T021S24 Reed Logic Relay is a popular choice for automation applications due to its reliability and versatility. Here are some pros and cons to help you make an informed decision about purchasing this relay unit:

1. High Reliability: Reed contacts used in this relay provide long life and high reliability, making it suitable for applications where contact bounce and wear are major concerns.

2. Compact Size: With a width of just 1.6 inches, this compact relay can save valuable space in control panels.

3. Wide Operating Temperature Range: The relay can operate in temperatures ranging from -40 F to 158 F (-40 C to 70 C), making it suitable for use in various industrial environments.

4. Easy Configuration: The relay can be easily configured using Rockwell Automation's RSLogix 500 and Studio 500 software, allowing users to customize relay functions for their specific applications.

5. Versatile: The 1616-T021S24 relay can handle a wide range of input voltages (DC or AC) and currents (up to 1 A), making it a versatile choice for various automation applications.

1. Cost: Compared to other types of relays, such as solid-state relays or contactors, the Allen Bradley 1616-T021S24 Reed Logic Relay can be more expensive.

2. Limited Number of Contacts: This particular model only supports a maximum of 24 contacts, which may not be sufficient for larger applications requiring more contacts.

3. Requires Proper Mounting: Properly mounting and aligning the reed contacts is crucial to ensure the relay functions correctly. Failure to do so may result in poor contact performance and relay failure.

The Allen Bradley 1616-T021S24 Reed Logic Relay offers several advantages, such as high reliability, compact size, wide operating temperature range, and easy configuration. However, it has some disadvantages, like a higher cost compared to other types of relays and a limited number of contacts. Considering the application requirements and available budget, one can decide whether this relay is the best option.

If your automation application requires a reliable, compact, and versatile relay with a wide temperature range and easy configuration, the Allen Bradley 1616-T021S24 Reed Logic Relay is a solid choice. However, if you need a larger number of contacts or a lower cost solution, you may want to explore other types of relays or contactors.

Details:

I have a nice used Allen-Bradley 1616-T021S24 dry reed logic unit - for sale. Cosmetically I would rate it as a 9 out of 10. Greenback stock# g109843. The shipping on this item reflects standard ground shipping for the us.

specifications genpurrelays:

• brand: Allen Bradley
• mpn: 1616-t021s24
• part type: Logic Unit
• country of origin: United States

shipping genpurrelays:

• class: standard
• transit: 2-6 days
• service: standard
• type: fixed

seller genpurrelays:

• # reviews: 9625
• city: morenci, michigan
• rating: 99.6%

returns genpurrelays:

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

offer genpurrelays:

• sold #: 13
• options: ship-to-home
• started: march 18, 2026
• in stock #: 2
• prices: $19.99–$30.00
• item condition:
  • New – Open box
  • Used
• best offers: true
• availability: in stock

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general genpurrelays:

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