Space-saving MCCBs

The Allen-Bradley 140UE moulded-case circuit breakers (MCCBs) are available in a range of IEC-rated frame sizes and current ranges suitable for standalone electrical protection and distribution, as well as machine front-end switching. Frame sizes available include H, J, L, M and N, with current ranges of 16-160, 20-250, 200-630, 300-800 and 600-1250 A respectively.

The MCCBs feature flexible cable operating mechanisms and an IP66-rated rotary operating mechanism.

Thermal-magnetic trip types are available in H, J, L and M frame sizes, and electronic trip types are available in J, L, M and N frame sizes. All models are available in both 3- and 4-pole versions, with the exception of the M frame size, which is only available as a 3-pole version.

Field-installable internal accessories include trip alarms, auxiliary shields, undervoltage release and shunt trips, while external accessories include plug-in adapters, terminal lugs/covers and motor operators.