3SB3501-2PA21

BOX, Siemens

3 offers available: $17.66–$100.00
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3SB3501-2PA21 Comparison

3SB3501-2PA21 in New – Open box Condition
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SIEMENS 3SB3501-2PA21 / 3SB35012PA21 (NEW IN BOX) Details$17.66Condition is New – Open box, SIEMENS 3SB3501-2PA21 / 3SB35012PA21 (NEW IN BOX), shipping cost = $12.9099.7%
SIEMENS 3SB3501-2PA21 / 3SB35012PA21 (NEW IN BOX) Details$17.66Condition is New – Open box, SIEMENS 3SB3501-2PA21 / 3SB35012PA21 (NEW IN BOX), shipping cost = $12.9099.7%
SIEMENS 3SB3501-2PA21 NSMP Details$100.00Condition is New – Open box, SIEMENS 3SB3501-2PA21 NSMP, FREE SHIPPING99.9%
3SB3501-2PA21 SIEMENS Box

The Siemens 3SB3501-2PA21 is a versatile and high-performance contactor assembly designed for various applications in industrial automation and electrical systems. It comes in a compact box measuring 179.5 mm (7.06 inches) in length, 120 mm (4.72 inches) in width, and 75 mm (2.95 inches) in height.

This contactor assembly comprises two single-pole, double-throw (SPDT) contactors, each with a rated current of 30 A at 230 V AC and a contact voltage of 277 V AC. The contacts are rated for a contact resistance of 0.05 ohms at 25 C and a contact opening and closing time of 10 ms. The contactors are mechanically interlocked, ensuring reliable and safe operation.

The 3SB3501-2PA21 contactor assembly also includes overload relays with a rated current of 30 A at 230 V AC and a thermal trip setting of 70 C. These relays provide overload protection for the contactors and help prevent damage caused by overloading.

The contactor assembly is designed with a robust construction, featuring a die-cast aluminum housing and a corrosion-resistant silver-plated contact surface. It is suitable for use in harsh industrial environments and can withstand a wide range of temperatures, from -25 C to 50 C.

The Siemens 3SB3501-2PA21 contactor assembly is easy to install and operate. It can be mounted on a DIN rail or a terminal board using screws or clamps. The assembly is also equipped with a test button, which allows users to verify the functionality of the contactors and relays.

The contactor assembly comes with a 2-year manufacturer's warranty, ensuring peace of mind for users. It is compatible with various automation and control systems, making it a reliable and flexible solution for various industrial applications.

The Siemens 3SB3501-2PA21/3SB35012PA21 is a variable frequency drive (VFD) designed for use in pump applications. Here are some pros and cons that might help in your decision-making process:

Pros:

1. Energy Efficiency: VFDs like the Siemens 3SB3501-2PA21 can help save energy by adjusting the motor speed to match the pump's requirements, reducing energy consumption.

2. Improved Pump Performance: VFDs can help improve pump performance by providing precise speed control, reducing cavitation, and avoiding surging.

3. Longer Motor Life: VFDs can help extend motor life by reducing the number of starts and stops and providing soft starts and stops.

4. Reduced Wear and Tear: VFDs can help reduce wear and tear on the pump and associated components by providing soft starts and stops and reducing the number of starts and stops.

5. Flexibility: VFDs can help provide flexibility in pump applications by allowing adjustable speed control, which can be useful in various industrial processes.

6. Protection: VFDs can help protect the pump and associated components by providing overload protection, over temperature protection, and other safety features.

Cons:

1. Cost: VFDs can be more expensive than traditional motor starters, but the energy savings and improved pump performance can offset the initial investment over time.

2. Complexity: VFDs can be more complex to install and maintain than traditional motor starters, requiring specialized knowledge and training.

3. Harmonics: VFDs can generate harmonics, which can cause problems in the electrical system and interfere with other equipment. Proper filtering and grounding are necessary to mitigate these issues.

4. Overvoltage: VFDs can cause overvoltage during start-up, which can be harmful to the pump and associated components. Proper installation and configuration are necessary to avoid this issue.

Conclusion:

The Siemens 3SB3501-2PA21/3SB35012PA21 VFD offers several advantages in pump applications, including energy savings, improved pump performance, longer motor life, reduced wear and tear, flexibility, and protection. However, it also comes with some disadvantages, such as cost, complexity, harmonics, and overvoltage. If the advantages outweigh the disadvantages for your specific application and you are willing to invest in the necessary expertise and equipment for proper installation and maintenance, then the Siemens 3SB3501-2PA21/3SB35012PA21 VFD could be a worthwhile investment.

Recommendation:

If you are considering purchasing the Siemens 3SB3501-2PA21/3SB35012PA21 VFD for a pump application, it is recommended that you carefully evaluate the advantages and disadvantages for your specific application. Consider the initial investment cost, energy savings potential, complexity of installation and maintenance, and the impact on other equipment in the electrical system. Consult with a qualified electrical or pump engineering professional to help you make an informed decision. Additionally, ensure that proper filtering, grounding, and installation techniques are used to mitigate any potential issues related to harmonics and overvoltage.

Details:

The product is used surplus. All products are guaranteed to be working but may show signs of use. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed.

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rating: 99.2% out of 100 based on 556 user ratings.
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