Pro M Miniature circuit breakers General information General information Miniature circuit breakers (MCBs) are used throughout the world in all types of electrical installations.
ABB MCBs are recognized for use by Underwriters Laboratories Standard UL1077 for supplementary circuit protectors in www.DataSheet4U.com systems rated 240VAC, 480VAC and 600VAC.
Devices are certified per CSA C22.2.
MCBs are approved per IEC-898 and VDE 0641, and certified under IEC-947 and VDE 0660 standards for use in