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.

Ensure superior electrical protection with the Siemens Miniature Circuit Breaker 400V 25kA 5SY8363-8. This robust 3-pole device is engineered for demanding industrial automation and control systems, offering reliable defense against overloads and short circuits. Its high breaking capacity and durable Siemens SENTRON design guarantee operational safety and system stability in critical applications. Discover the reliable protection this Siemens circuit breaker provides for your electrical infrastructure.
This Siemens 5SY8363-8 circuit breaker integrates advanced technology for essential power system safety. Designed for industrial environments, it features a Type C tripping characteristic suitable for inductive loads and moderate inrush currents. Its 25kA breaking capacity ensures swift disconnection during fault conditions protecting sensitive equipment within automation use and control systems. Experience the secure operation and efficiency this Siemens component offers.
The Siemens 5SY8363-8 Miniature Circuit Breaker is a testament to Siemens engineering excellence providing dependable safety for your industrial automation needs. Trust in its reliability and performance for critical power distribution. Explore this essential Siemens component 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.