Miniature Circuit Breakers MCBs

ABB Miniature Circuit Breakers MCBs / S203 Page 5 ⍾ ABBLast modified

This catalog presents a range of ABB S203 miniature circuit breakers (MCBs) designed for modular DIN rail installations. These current-limiting MCBs incorporate both delayed thermal and electromechanical tripping mechanisms for overload and short-circuit protection. Certain models are specifically engineered for traction and railway applications, while others extend the System pro M compact® product range for DC and AC applications.