100-FA31 ALLEN BRADLEY Contact Fnob

Review ALLEN BRADLEY Auxiliary Contact Fnob

The Allen-Bradley Model 100-FA31 Contact F Nob is a versatile and reliable normally open (NO) limit switch designed for use in various automation applications. This contact is a part of the Allen-Bradley Model 100 Series, known for its high-quality and durability.

The FA31 Contact F Nob features a threaded stud mounting design, allowing for easy installation and alignment. It is equipped with a standard Form C, normally open (NO) contact that can handle up to 10 amps AC or DC current at 120V or 240V. The contact is designed to provide reliable switching performance even in harsh industrial environments.

The FA31 Contact F Nob also includes a polycarbonate insulating body that provides protection against moisture, oil, and other contaminants. This feature makes it suitable for use in wet or dirty environments, enhancing its versatility.

Moreover, the contact comes with a stainless steel actuator arm that is resistant to corrosion and wear. The arm is designed to operate smoothly and reliably, providing accurate position sensing. The switch has a rated operating temperature range of -40 F to 140 F (-40 C to 60 C), ensuring its functionality in a wide range of temperature conditions.

The Allen-Bradley FA31 Contact F Nob is compatible with various control systems and can be used in various industries, including manufacturing, food and beverage, oil and gas, and more. Its compact design and rugged construction make it an ideal choice for applications where reliability, durability, and ease of installation are essential.

In conclusion, the Allen-Bradley Model 100-FA31 Contact F Nob is a high-performance, versatile, and reliable limit switch that can withstand harsh industrial environments and provide accurate and reliable switching performance. Its threaded stud mounting design, standard Form C contact, polycarbonate insulating body, and stainless steel actuator arm make it a reliable and durable solution for various automation applications.

The Allen-Bradley Model 100-FA31 Contact FNOB (Fail-Safe Normally Open) is a popular choice for limit switch applications due to its durability and reliability. Here are some pros and cons of buying this particular contact:

1. Robust Design: The FA31 contact is known for its rugged construction, making it suitable for harsh industrial environments.

2. Easily Configurable: It can be easily configured using Rockwell Automation's RSLogix 5000 or Studio 500 software, allowing for customized applications.

3. High Contact Rating: The contact can handle a maximum current of 10 Amps and a voltage of 300 Volts, making it suitable for a wide range of applications.

4. Fail-Safe Operation: In the event of a power failure, the contact will automatically return to its normal position, ensuring safety and reliability.

5. Easy to Install: The contact comes with a built-in mounting bracket, making installation quick and straightforward.

1. Cost: Compared to some other contactors, the FA31 can be more expensive.

2. Limited Capacity for Complex Applications: While the contact is highly configurable, it may not be suitable for extremely complex applications.

3. Requires Power for Fail-Safe Operation: While the fail-safe operation is a pro, it also means that the contact requires power to function properly.

In conclusion, the Allen-Bradley Model 100-FA31 Contact FNOB is a reliable and robust choice for limit switch applications, particularly in harsh industrial environments. Its easy configuration, high contact rating, and fail-safe operation make it a worthwhile investment for many applications. However, its cost and limitations for complex applications may be a consideration for some users.

Recommendation: If you require a reliable and rugged contactor for limit switch applications, the Allen-Bradley Model 100-FA31 Contact FNOB is an excellent choice. Its fail-safe operation, easy configuration, and high contact rating make it a valuable addition to any industrial control system. However, if cost is a significant factor or if you require a more complex solution, you may want to consider other options.

Details:

The product must be the original item shipped, with matching serial numbers if applicable. The item has its original packaging but it is not sealed. Type: auxiliary contact. Manufacturer part number: 100-FA31.

Allen Bradley 100-FA31 auxiliary contact front mounted, four pole auxiliary contact with 3 normally open and 1 closed contacts. Special instructions. Most items are in stock when they listed. Allen Bradley 100-FA31 auxiliary contact manufactured by Allen Bradley.

Current type: ac/dc. 2-year MRI shield protection plan included. Mounting type: snap on front mount. Terminal type: screw.

A new, unused item with no signs of wear.

specifications genpurrelays:

• brand: Allen Bradley
• mpn: 100-fa31

shipping genpurrelays:

• class: standard, one-day
• transit: 4-9 days
• type: calculated
• carrier: ups
• service: ups ground, ups next day air

seller genpurrelays:

• city: mount sterling, kentucky
• # reviews: 14448
• rating: 98.6%

payments genpurrelays:

• other
• credit card: diners-club
• wallet: apple-pay

offer genpurrelays:

• options: ship-to-home
• best offers: true
• sold #: 15
• availability: in stock
• prices: $21.77–$64.99
• item condition:
  • New – Open box
  • New
• started: september 20, 2025
• in stock #: 5

returns genpurrelays:

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

general genpurrelays:

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