Single, two, three and four pole magnetic and hydraulic-magneticcircuit breakers with trip-free-mechanism and toggle or rockeractuation. A choiceof fast magnetic only or hydraulically delayedswitching characteristics(S type MO or HM CBE to EN 60934)ensures suitability for a wide range of applications. Industry standarddimensions and panel mounting. Low temperature sensitivity at ratedload. Approved to CBE standard EN 60934 (IEC 60934).