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 robust electrical system protection with the ABB DR E4.2H MS40 circuit breaker. This 3-pole unit is engineered for demanding industrial and commercial applications, offering reliable performance and advanced safety features. Its sturdy construction guarantees durability and consistent operation even under high current loads, making it an essential component for maintaining power distribution integrity. The ABB DR E4.2H MS40, identified by part number 1SDA114936R1, represents a commitment to quality and operational excellence in automation systems.
Engineered for peak performance in critical environments, the ABB DR E4.2H MS40 circuit breaker integrates cutting-edge technology for superior electrical safety. Its compact design facilitates straightforward installation within existing control panels and automation setups. This breaker is built to meet stringent industry standards, providing dependable protection against overcurrents and short circuits. For professionals seeking dependable solutions for their automation control systems, the ABB DR E4.2H MS40 is a trusted choice, ensuring operational continuity and safeguarding valuable equipment.
Part Number: 1SDA114936R1
Model: DR E4.2H MS40 OldE4S MS40
Poles: 3-pole
Application: Industrial Automation Protection
Trust in the established reliability of ABB products for your critical infrastructure. The ABB DR E4.2H MS40 circuit breaker offers peace of mind and exceptional performance. Upgrade your electrical protection today with this high-quality component for seamless operations.
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.