This standard gives additional requirements for single- and two-pole circuit-breakers suitable for operation with direct current, having a rated d.c. voltage not exceeding 220 V for single-pole and 440 V for two-pole circuit-breakers, a rated current not exceeding 125 A and a rated d.c. short-circuit capacity not exceeding 10000 A.This Part 2 is to be used in conjunction with IEC 60898-1.This consolidated version consists of the first edition (2000) and its amendment 1 (2003). Therefore, no need to order amendment inaddition to this publication.