440R-E21358 ALLEN BRADLEY Expansion Safety Relay Fnfp

Review ALLEN BRADLEY Expansion Safety Relay Series Fnfp

The Allen-Bradley Model 440R-E21358 Expansion Safety Relay is a versatile and reliable solution for implementing safety functions in machinery and equipment applications. This particular model is part of the Allen-Bradley 440R Safety Relay System, which is designed to meet the functional safety requirements of SIL 3 as per IEC 61508 and SIL 2 as per ANSI/ISA-84.01.

The 440R-E21358 Expansion Safety Relay features a modular design, which allows users to expand the functionality of their safety relay system in a flexible and cost-effective manner. This specific model is an input/output (I/O) expansion module, capable of accommodating up to 32 safety I/O points. It can be used to add additional safety inputs or outputs to the base safety relay, providing greater system capacity and versatility.

The Allen-Bradley 440R-E21358 Expansion Safety Relay is designed to meet the highest standards of safety and reliability. It is built with a robust, industrial-grade design, featuring a compact, rugged enclosure that can withstand harsh environments. The module is also resistant to electromagnetic interference (EMI) and radio frequency interference (RFI), ensuring that it can function reliably even in the presence of external interference.

The safety relay system utilizes a redundant design, with each module having a backup module to ensure continuous operation in the event of a failure. The system also includes diagnostics and self-testing features, which help users to quickly identify and resolve any potential issues.

The Allen-Bradley 440R-E21358 Expansion Safety Relay is easy to install and integrate with other safety systems and components. It features a clear, intuitive labeling system, making it simple to identify and connect the various safety I/O points. The module also includes a built-in power supply, simplifying the wiring process and reducing the overall installation time.

The Allen-Bradley 440R-E21358 Expansion Safety Relay is a powerful and flexible solution for implementing safety functions in a wide range of applications. Its modular design, robust construction, and advanced features make it an ideal choice for users who demand the highest levels of safety and reliability. Whether you're looking to expand the capacity of your existing safety relay system or build a new one from the ground up, the Allen-Bradley 440R-E21358 Expansion Safety Relay is an excellent choice.

The Allen Bradley 440R-E21358 expansion safety relay (FNFP) is a commonly used safety relay in industrial automation applications. Here are some pros and cons that may help in deciding whether to purchase this particular safety relay:

1. High reliability: Allen Bradley is a well-known brand in the automation industry, and their safety relays are known for their high reliability and durability.

2. Flexibility: The 440R-E21358 relay offers a wide range of input and output configurations, making it suitable for various applications.

3. Safety certification: This safety relay is certified to various safety standards, such as UL 1203, CSA C22.2 No. 61508-2-20, and IEC 61508, ensuring a safe operation.

4. Easy installation: The relay is designed for easy installation and integration into existing control systems.

5. Diagnostic capabilities: The relay provides diagnostic capabilities, allowing users to quickly identify and resolve any faults.

1. Cost: The Allen Bradley 440R-E21358 safety relay is more expensive compared to some other brands and models.

2. Complexity: The relay has a complex wiring scheme, which can make the installation process more time-consuming and challenging for less experienced users.

3. Limited capacity: Depending on the application, the relay may not be able to handle a large number of inputs or outputs, which could require the use of multiple relays.

In conclusion, the Allen Bradley 440R-E21358 expansion safety relay (FNFP) offers high reliability, flexibility, safety certification, easy installation, and diagnostic capabilities. However, it comes with a higher cost, complex wiring, and limited capacity compared to some other options. Ultimately, the decision to purchase this safety relay depends on the specific requirements of the application, including the number of inputs and outputs needed, the safety standards to be met, and the available budget. If the application demands a high level of reliability, safety, and flexibility, and the budget allows for it, then the Allen Bradley 440R-E21358 safety relay is a recommended option.

Details:

2-year MRI shield protection plan included. The product must be the original item shipped, with matching serial numbers if applicable. Allen Bradley 440R-E21358 expansion safety relay, series. Allen Bradley 440R-E21358 expansion safety relay, series a manufactured by Allen Bradley.

Manufacturer part number: 440R-E21358. Most items are in stock when they listed. Special instructions. A brand-new, unused, unopened, undamaged item in its original packaging where is applicable.

specifications genpurrelays:

• brand: Allen Bradley
• mpn: 440r-e21358
• part type: Safety

shipping genpurrelays:

• carrier: ups
• type: calculated
• transit: 5-9 days
• service: ups ground, ups next day air
• class: standard, one-day

seller genpurrelays:

• # reviews: 24247
• city: mount sterling, kentucky
• rating: 99.8%

offer genpurrelays:

• best offers: true
• options: ship-to-home
• in stock #: 5
• started: april 19, 2026
• prices: $99.00–$300.00
• item condition:
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  • New
  • Used
• availability: in stock
• sold #: 11

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

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• time: 30 days