Miniature Circuit Breaker (MCB) - ABB / Stotz (S800S series) - S803S-B100 - 3-poles (3P) - Rated current 100A - B-curve - Short circuit breaking capacity (lcu) 50kA (240/415Vac) - DIN rail mounting (81mm width) - Screw-clamp connections - 4.5 modules (4.5M)