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 Moeller EMR4 F500-2 Phase Sequence Monitoring Relay is a crucial component for ensuring the safe and efficient operation of industrial automation systems. Designed to detect and protect against phase sequence errors, this relay is essential for maintaining the integrity of electrical equipment. Suitable for use with L1, L2, and L3 phases, it operates reliably within the AC 200-500V range at 50/60Hz, making it a versatile choice for various applications.
This phase sequence monitoring relay, manufactured by Moeller in Germany, adheres to the highest standards, including IEC 60255-6, EN 60255-6, VDE 0435 T 301, and EN 50178. The EMR4 F500-2 features 2 c/o contacts and a lightweight design at 140g, ensuring ease of installation and integration. It is built to withstand demanding industrial environments, providing consistent performance and protection.
The Moeller EMR4 F500-2 offers robust protection and is a dependable solution for industrial automation. Its compliance with industry standards and reliable performance make it a preferred choice for engineers. Enhance the safety and efficiency of your systems by integrating this essential relay into your automation processes. For further assistance, contact us at info@ramautomations.com.
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.