81-20516-A2

The Emerson TopWorx Proximity Switch 81-20516-A2 is a versatile and advanced automation solution designed for various industrial applications. This switch, made by Emerson, a globally recognized leader in technology and engineering, is engineered for reliability, efficiency, and ease of use.

The 81-20516-A2 is a proximity switch, which means it uses electromagnetic fields to detect the presence of ferrous or non-ferrous metal targets without any physical contact. It is ideal for use in harsh environments where traditional switches may fail due to wear and tear, as it provides contactless sensing, thereby eliminating the need for mechanical parts prone to failure.

Measuring 2.2 inches long, 1.2 inches wide, and 0.6 inches high, this compact switch is easy to install and integrates seamlessly into existing systems. Its compact size, along with its NEMA 4X rating, makes it suitable for use in wet, dirty, or dusty environments, ensuring continuous operation even under challenging conditions.

The switch features a robust, corrosion-resistant stainless steel housing, ensuring a long service life, even in the harshest industrial settings. It comes with a variety of mounting options, including surface, panel, and flush mounting, making it a flexible solution for a wide range of applications.

The Emerson TopWorx Proximity Switch 81-20516-A2 is designed for quick and easy installation, requiring only a single wire connection for power and ground. It offers several sensing options, including Normally Open (NO), Normally Closed (NC), and Changeover (CO), making it adaptable to various automation requirements.

This switch also boasts a high switching capacity of 10 Amps at 125 Volts AC or 2 Amps at 250 Volts AC, enabling it to handle a wide range of loads. Its high ambient temperature rating of 158 F (70 C) ensures stable operation even in high-temperature environments.

The Emerson TopWorx Proximity Switch 81-20516-A2 is an excellent choice for applications in industries such as oil and gas, water and wastewater, and manufacturing, where reliable and robust automation solutions are essential. Its advanced features, compact design, and ease of installation make it an indispensable tool for efficient and effective industrial control systems.

Pros and Cons of Buying Emerson TopWorx Proximity Sensor 81-20516-A2

The Emerson TopWorx Proximity Sensor 81-20516-A2 is a popular choice for automating industrial processes due to its advanced features. Here are some of the pros and cons that come with purchasing this sensor:

1. High Accuracy: The Emerson TopWorx Proximity Sensor provides reliable and accurate detection of objects, making it suitable for various industrial applications.

2. Versatile: This sensor is designed to work with various materials, including metals, plastics, and liquids, making it a versatile choice for different industries.

3. Easy Installation: The sensor comes with a simple installation process, which can save time and resources for businesses.

4. Durable: The Emerson TopWorx Proximity Sensor is built to withstand harsh industrial environments, ensuring long-term reliability.

5. Cost-Effective: Compared to other proximity sensors in the market, the Emerson TopWorx Proximity Sensor is relatively affordable, making it a cost-effective choice for businesses.

1. Limited Detection Range: The sensor has a limited detection range, which may not be suitable for larger objects or applications that require a longer range.

2. Requires Calibration: The Emerson TopWorx Proximity Sensor may require calibration to ensure accurate readings, which can add to the maintenance costs.

3. May Not Work with All Materials: While the sensor can work with various materials, it may not be suitable for some materials, such as highly reflective or transparent materials.

4. May Not Work in Dirty Environments: The sensor may not work effectively in dirty or dusty environments, which can affect its accuracy and reliability.

The Emerson TopWorx Proximity Sensor 81-20516-A2 is a reliable and accurate choice for automating industrial processes, offering versatility, easy installation, durability, and cost-effectiveness. However, it may not be suitable for applications that require a longer detection range, calibration-free operation, or work with highly reflective or transparent materials.

If you are looking for a reliable and cost-effective proximity sensor for industrial applications with accurate and versatile detection capabilities, the Emerson TopWorx Proximity Sensor 81-20516-A2 is a great option to consider. However, if you require a longer detection range, calibration-free operation, or work with highly reflective or transparent materials, you may want to explore other sensors in the market that may better suit your specific application requirements.

Details:

This item is new, never used. The emerson topworx Go Switch proximity 81-20516-A2 is a new 80 series proximity Switch designed for use in variety of industrial applications.

specifications indusswitch:

• brand: Go Switch
• mpn: 81-20516-a2
• type: Proximity Switch

returns indusSwitch:

• policy: no returns

shipping indusSwitch:

• type: calculated
• class: standard
• carrier: usps
• transit: 5-10 days
• service: usps ground advantage

payments indusSwitch:

• credit card: visa
• wallet: Google-pay
• other

offer indusSwitch:

• availability: in stock
• sold #: 20
• options: ship-to-home
• started: july 31, 2025
• in stock #: 5
• prices: $125.00–$500.00
• item condition:
  • New – Open box
  • New
  • Used

seller indusSwitch:

• rating: 98.6%
• # reviews: 1049
• city: riverview, michigan

general indusswitch:

• category: Business & Industrial > Electrical Equipment Supplies > Limit Snap Action Switches

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