The Ex9MD range of moulded case circuit breakers (MCCB) provide high current breaking capabilities for DC circuits. Used primarily on battery banks, these MCCBs provide a more serviceable approach to protection than standard NH fuse bases. Features: 5 frame sizes – 80A to 800A High breaking capacity Installation flexibility Field installable accessories Certified to EN 60947 DC switching voltage: 250V DC per pole e.g. 2 pole = 500V DC