Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

Sieb & Meyer Frequency Converter type 21.54.57.DC, for use with 5 x WW-1331-17 spindles.
The Sieb & Meyer 21.54.57.DC / 5 x WW-1331-17 is a precision-driven frequency converter designed to provide superior control and optimization for industrial automation systems. Perfectly suited for use in machinery, robotics, and automated processes, this converter offers exceptional motor control, improving overall system performance and reliability. The 21.54.57.DC / 5 x WW-1331-17 plays a critical role in enhancing the efficiency of motor-driven systems, reducing energy consumption, and ensuring smooth and precise operation in demanding industrial environments.
Engineered for versatility and precision, the Sieb & Meyer 21.54.57.DC / 5 x WW-1331-17 can be seamlessly integrated into a wide range of applications, offering unparalleled motor speed regulation and performance. Whether used in high-speed machinery, process control systems, or material handling equipment, this frequency converter ensures optimal motor control, improving system accuracy and efficiency. Its compact design ensures easy installation, even in tight spaces, while its robust construction guarantees long-lasting durability in harsh conditions.
The Sieb & Meyer 21.54.57.DC / 5 x WW-1331-17 is equipped with advanced protection features, including overload and short-circuit protection, ensuring the safety of both the converter and connected equipment. Its energy-efficient operation reduces operational costs by minimizing energy waste, further enhancing the overall cost-effectiveness of the system. As part of a comprehensive motor control solution, the 21.54.57.DC / 5 x WW-1331-17 is an excellent choice for businesses seeking to improve the reliability, performance, and efficiency of their automation systems while minimizing maintenance costs and downtime.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.