Advanced Power Technologies, LLC

Inertia Switch Inc is a full-service design, engineering, and manufacturing firm founded in 1950. Since our inception, we have designed, qualified, and delivered thousands of types of products. We specialize in acceleration switches of all kinds, but we also manufacture limit switches, prostheses, incandescent digital displays, and many other standardized and unique products.For fifty years customers in every demanding field ( military, aviation, space, marine, industrial, transportation, laboratory, medical, among others ) have turned to us with exacting requirements for critical applications in often harsh environments. Our consistent reliability and quality has helped us build a strong reputation and loyal customer base that includes most major aerospace OEM's.Our patented "Magnetically Restrained Seismic System" represents a significant advance in the state of the art of motion sensing and acceleration measurement. This system is utilized in the majority of our acceleration switches. These switches have established a unique record of accuracy and reliability in an array of programs throughout the world.