"P43x Distance Protection and One-Box devices are used for fast & selective short circuit protection"
Part of PowerLogic™
"Easergy MiCOM P43x distance protection and one-box devices are used for selective short circuit, ground fault and overload protection in medium-, high- and extra-high voltage systems. Models available: Easergy MiCOM P433, Easergy MiCOM P435, Easergy MiCOM P437, Easergy MiCOM P439 with new Graphical HMI."