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 reliable electrical protection with the Siemens 3NA6820 miniature circuit breaker. Engineered for demanding industrial automation environments this device offers exceptional performance and safety. Its robust design is ideal for safeguarding sensitive equipment against overloads and short circuits ensuring continuous operation and reducing downtime. The Siemens 3NA6820 is a trusted component for critical power distribution systems.
This Siemens circuit breaker is designed for efficient integration into complex control systems. It operates with precision providing stable voltage and current handling capabilities suitable for various automation applications. The 3NA6820 is built to meet stringent industry standards for safety and reliability offering peace of mind for engineers and maintenance professionals. Experience enhanced system integrity with this advanced protection solution.
Brand Siemens
Part Number 3NA6820
Type Miniature Circuit Breaker
Application Industrial Automation
Voltage Rating [Specify if known]
Current Rating [Specify if known]
Protection Type Overload and Short Circuit
The Siemens 3NA6820 represents a commitment to quality and innovation in electrical protection. Its advanced features and reliable performance make it an essential choice for modern industrial automation. Invest in the security and efficiency of your systems with the trusted Siemens 3NA6820.
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.