The ABB GS203 AC-C20/0.03 is a 3P residual current circuit breaker with overcurrent protection (RCBO) from the ABB System pro M compact GS200 range, rated 20 A with 30 mA (Type AC) residual current sensitivity and a C-curve overcurrent trip. It combines short-circuit and overload protection with earth-leakage (residual current) protection in a single compact DIN-rail device, complying with IEC/EN 61009-1.
Order code: 2CSR253001R1204. Typical applications include residential and commercial distribution boards, bathroom and outdoor circuits, and any final circuit requiring both overcurrent and residual current protection in one module.
