211XBX133 STRUTHERS-DUNN Relay Fnfp

Review STRUTHERS-DUNN Relay Fnfp

The Struthers-Dunn 211xBX133 is a versatile and reliable Form, Normally Non-Functional (FNFP) Solid State Relay (SSR). This particular model is ideal for various applications that require precise control of electrical loads up to 133 watts and 250 volts AC or 150 watts and 30 volts DC.

The 211xBX133 is built with high-quality components, ensuring its durability and reliability even under heavy usage. It features a compact and sleek design, making it easy to install in confined spaces. The dimensions of the relay are 3.1 inches long, 2.0 inches wide, and 1.0 inch high, with a weight of approximately 0.4 pounds.

This SSR operates on a solid-state technology, meaning it does not have any mechanical contacts that can wear out over time. It provides fast switching times, typically within nanoseconds, making it suitable for applications requiring quick response times.

The 211xBX133 comes with a built-in opto-isolated input circuit that protects the device from electrical noise and surges, ensuring the safety and longevity of the relay. It also features an adjustable hysteresis function that helps to eliminate unwanted chattering and oscillations, providing a stable output.

The relay has a number of protective features, such as over-voltage protection, over-current protection, and thermal protection. These features help to prevent damage to the device and ensure its safe operation even under adverse conditions.

The 211xBX133 has a Normally Non-Functional (NNF) configuration, which means it is in the off state when no input signal is present. When an input signal is applied, the relay switches to the on state, allowing the electrical load to be activated. This configuration is useful in applications where the load needs to be turned off when no signal is present to save energy or prevent unnecessary wear and tear.

The 211xBX133 comes with a comprehensive datasheet that provides detailed specifications, application notes, and wiring diagrams to help engineers and technicians in their design and implementation of the relay into their systems. It also comes with a 2-year warranty from the manufacturer, ensuring customer satisfaction and peace of mind.

The Struthers-Dunn 211xBX133 is a Solid State Relay (SSR) designed for use in industrial applications, particularly in HVAC and refrigeration systems. Here are some pros and cons of buying this relay:

1. Solid State Technology: This relay uses solid state technology, which means it has no moving parts. This makes it more reliable and longer-lasting compared to traditional relays.

2. High Voltage and Current Capacity: The 211xBX133 can handle up to 250V AC and 133A of current, making it suitable for heavy-duty applications.

3. No Contact Bounce: Since there are no contacts in a solid state relay, there is no contact bounce, which can lead to improved system performance and accuracy.

4. Compact Design: Despite its high capacity, the relay has a compact design, making it easier to install in tight spaces.

5. Low Power Consumption: SSRs consume less power compared to traditional relays, which can lead to energy savings over time.

1. Cost: Solid state relays tend to be more expensive than traditional relays due to their advanced technology and higher capacity.

2. Limited Switching Frequency: The 211xBX133 has a limited switching frequency of 10 Hz, which may not be suitable for applications that require fast switching.

3. Complex Wiring: SSRs require more complex wiring compared to traditional relays, which can make installation more challenging.

The Struthers-Dunn 211xBX133 is a reliable and high-capacity solid state relay suitable for industrial applications. Its advantages include solid state technology, high voltage and current capacity, no contact bounce, compact design, and low power consumption. However, it has some disadvantages, such as a higher cost, limited switching frequency, and complex wiring.

If you are looking for a reliable and long-lasting relay for heavy-duty industrial applications, the Struthers-Dunn 211xBX133 could be a good choice. However, if you require fast switching or have a limited budget, you may want to consider a traditional relay or a less expensive solid state relay with lower capacity. Ultimately, the decision depends on the specific requirements of your application.

Details:

Struthers-Dunn 211XBX133 relay manufactured by Struthers-Dunn. The product must be the original item shipped, with matching serial numbers if applicable. 2-year MRI shield protection plan included. Struthers-Dunn 211XBX133 relay electromagnetic : Struthers Dunn.

Manufacturer part number: 211XBX133. Most items are in stock when they listed. A brand-new, unused, unopened, undamaged item in its original packaging where is applicable. Special instructions.

specifications genpurrelays:

• brand: Struthers-dunn
• mpn: 211xbx133

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

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• prices: $49.99–$72.00
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• started: november 20, 2025
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