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.

The ATC SLA-440-ALE Phase Sequence Monitor is a critical component for ensuring the correct phase sequence and detecting phase loss in 3-phase electrical systems. This device, manufactured by ATC, is designed for use in a 3-phase supply ranging from 430-480 VAC, providing reliable protection for your valuable electrical equipment. Its primary function is to monitor the phase sequence and protect against potentially damaging conditions.
The SLA-440-ALE utilizes automatic timing and controls to detect phase sequence A.B.C contacts. It features a contact capacity of 3A @ 600 VAC res and 360 VA @ 600 VAC ind. Constructed with high-quality copper and designed for use with 60/75°C wire, this phase monitor ensures durability and longevity. The recommended tightening torque of 20 lb-in facilitates secure installation. This product is designed to keep your systems running efficiently and safely.
Specifications:
The ATC SLA-440-ALE is a dependable solution for maintaining the integrity and efficiency of your electrical systems. Trust in ATC's precision engineering to safeguard your equipment. Contact us at info@ramautomations.com for more information. This product is ideal for use in industrial and automation applications.
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.