Molded Case Circuit Breaker Interrupting Ratings

This document specifies the interrupting ratings for a molded case circuit breaker (MCCB) across various voltage levels and configurations. It details the maximum short-circuit current interruption capabilities for different breaker frame sizes (N, S, H, L, V, X) at AC voltages (240V, 480V, 600V) and DC voltages (250V, 500V, 600V) with specific pole arrangements.