If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. ABB 1SDA104879R1 Motor Operator Automated Switching Control Solution for Low-Voltage Circuit Breaker Systems The ABB 1SDA104879R1 Motor Operator is an electrically driven actuator designed for remote operation of ABB molded case circuit breakers within the Tmax XT series. *Your Name: *Your Email: *Your Name: *Vdcode: Submit