The SEL-TD teaching box is ANSI robot standard compliant and has a redundant circuit emergency stop switch for safety category class 4. It has an IP54 protective structure making it suitable for dusty and water spray environments. The SEL-TD also meets CE and UL standards, allowing use outside of Japan. It has a 3-position enable switch, 20 character LCD display, and programming and parameter rewrite functions to interface with robot controllers.