Semco Motion Products / Larsen Mfg.                        +1 801-876-2111 

Frequently Asked Questions (FAQ)

How do you power a display without twisting up the wires?

The answer to have a rotating or revolving power source is a slip-ring and brush assembly. ….. Read more

How do I choose a sign rotator?

For indoor displays first look at our indoor products and start with the weight capacity of the rotator. We provide information on the different types of rotators on our web site but feel free to call us if you have questions or don’t have time to research our site.

For outdoor rotators you we use a calculation formula (rotator calculator) and then reference a rotator chart for the size. 

Do you ship oversees and to P.O. boxes?

Yes and no, we’ll ship your package anywhere that can accept deliveries. We do not to ship to PO boxes because of the size or our shipping boxes.

Do you have customer service?

 You can call our office for service toll free at: 866-699-5918, or 801-876-2111. Business hours M-F, 7 am to 4 pm Mountain Standard time. Or after hours at 801-540-2033