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.

Enhance your electrical protection systems with the Siemens 3WL9111-0AD03-0AA0 Shunt Trip Accessory. Designed for 48 VDC applications within industrial automation and marine environments this component provides essential remote tripping capabilities for Siemens 3WL circuit breakers ensuring enhanced safety and operational control. This accessory is vital for preventing damage and maintaining system integrity during electrical disturbances.
The Siemens 3WL9111-0AD03-0AA0 is engineered for reliable performance in demanding conditions. It integrates seamlessly with compatible Siemens 3WL circuit breakers facilitating precise control over power distribution networks. Its robust construction ensures longevity and consistent operation essential for critical infrastructure and marine vessels where failure is not an option. This shunt trip unit supports advanced automation and control strategies.
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.