This is the digital module "Energy per Phase" for Micrologic X trip unit on Masterpact MTZ offer. A digital module is an advanced function that can be uploaded in Micrologic X trip unit at any stage of the product life cycle. Digital modules allow you to customize MasterPact MTZ circuit breaker to your specific needs. The digital modules are available 24/7 on the Schneider Electric GoDigital store (godigital.schneider-electric.com). The upload of the digital modules is made without interrupting power, using EcoStruxure Power Commission software and a USB cable. This digital module calculates and displays active, reactive and apparent energy per phase, at the measurement point. It also provides the total active, reactive and apparent energy per phase. Energy per phase digital module can be installed on a 4 poles MasterPact MTZ or a 3 poles with Neutral connected to VN terminal (and ENVT = YES in the configuration). The benefit is to follow energy per phase when there are large unbalanced loads in low voltage installations, or when different usages or tenants are supplied on each phase.