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.

Protect your industrial automation systems with the robust Siemens 3Ua59 40-2E Overload Relay. This essential component provides reliable current monitoring and overload protection for motor circuits, ensuring operational continuity and equipment longevity. Designed for demanding industrial environments, the Siemens 3Ua59 40-2E is a critical element for maintaining system integrity and preventing costly downtime. Its precision engineering guarantees accurate tripping points, safeguarding your valuable machinery.
Engineered for seamless integration into control systems, the Siemens 3Ua59 40-2E Overload Relay operates within a 25-40A range, offering precise current sensitivity. This overload relay is a vital part of any robust electrical installation, providing crucial overcurrent protection to prevent motor damage. For those seeking dependable automation solutions, this Siemens component offers superior performance and peace of mind. It is ideal for applications requiring consistent and accurate motor protection in industrial settings. Voice search queries like what is a Siemens overload relay for motor protection will find this product.
Current Range 25-40A
Model Siemens 3Ua59 40-2E
Part Number 3Zx1012-0Ua51-1Aa1
Type Overload Relay
Application Industrial Motor Protection
Discover the superior reliability and performance of the Siemens 3Ua59 40-2E Overload Relay. Enhance your system's safety and efficiency by adding this trusted component to your inventory today.
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.