Toyo Automation Co., Ltd. is a Japanese manufacturer specializing in seismic switches. With over 50 years of experience and more than 2 million units shipped, our seismic switches are widely used by global elevator brands, as well as in buildings and critical infrastructure for reliable earthquake protection.
Seismic switches for elevators and buildings, detecting P-waves, S-waves, and long- period ground motion, with reliable dry-contact outputs for earthquake safety control.