1SYF202015R1250

The ABB 1SYF202015R1250 (FB202 AC-25/0.03) is a 2-pole Residual Current Circuit Breaker (RCCB) designed to protect people and installations against earth fault currents. It provides reliable protection against electric shock by indirect contact, additional protection against direct contact ($30text{ mA}$ sensitivity), and defense against fire hazards caused by persistent insulation faults. Built in compliance with IEC 61008 / IS 12640-1 standards, it is widely utilized across residential, commercial, and light-industrial electrical distribution systems.