The Schneider Electric IST 40KA 2P is 2-pole miniature circuit breaker (MCB) from Schneider's IST series designed for low-voltage electrical circuits. It offers overload protection and short-circuit protection in a compact, DIN-rail mountable design.
Specifications
Specification Typical Value / Description
Device Type Miniature Circuit Breaker (MCB)
Number of Poles 2-Pole (2P) — for phase and neutral protection
Rated Current (In) Typically varies from 10A to 63A depending on specific model variant
Breaking Capacity (Icu) 40kA — capable of safely interrupting fault currents up to 40,000A
Rated Operational Voltage (Ue) 230/400V AC
Trip Characteristics Typically C-curve or D-curve for overload and short-circuit protection, designed for moderate inrush currents
Mounting DIN-rail mountable
Standards Compliance IEC/EN 60898-1, IEC/EN 60947-2
Protection Functions Overload and short-circuit protection
Applications Suitable for protecting electrical circuits in lighting, power, control, and general load circuits