Read how Staco Energy helped A.O. Smith become one of 18 labs in the country to become NVLAP certified.

Staco Energy Products Co. has been supporting the power requirements of R&D labs for over 65 years.

Our bench and panel mount variable transformers provide precise voltage control for any electrical testing application.

Our portable plug and cord units bring that same precision to your testing in a portable form.

Staco Energy Products' Power Provider Series are custom engineered test sets offered in a standard, modular format. They can be ordered directly through the standard modules, or can be customized to meet your exact specifications.

Custom engineered test sets, our Power Provider Series, can be designed to accommodate the most basic or sophisticated test laboratory needs.

Read how Staco Energy helped A.O. Smith become one of 18 labs in the country to become NVLAP certified.

We offer a range of testing modules for OEMs, quality control, motor testing, circuit breaker testing, and product life cycle testing.

Tell us your situation... we can usually design a custom solution at off-the-shelf prices.

Please contact our sales or engineering department for more information on how our test sets can work for you! You can call us toll free in the U.S. at 866-261-1191.