ABB 20A 1P MCB 3KA

Rated Current (In): 20 A

Poles: 1 Pole (1P)

Tripping Curve: Type C – designed to accommodate moderate inrush currents typical of lighting and motor loads

Breaking Capacity (Icn/Icu): 6 kA to 10 kA, depending on standard

Standards: Compliant with IEC 60898‑1, IEC 60947‑2, UL 1077

Rated Voltage: Up to 253 V AC; also rated for DC as per UL

Impulse Withstand Voltage: 4 kV

Mounting: 17.5 mm wide, DIN-rail compatible

Terminal Capacity: Suitable for 0.75–35 mm² conductors

Durability:

• Electrical endurance: ~20,000 AC cycles

• Mechanical endurance: ~20,000 operations