The optimal management of electrical power systems is based in particular on the reliability, availability and communication skills of protection, measurement and automation devices.

NPT916 is a transformer protection IED with sophisticated and easy to use differential protection function. The NPT916 transformer protection IED provides for both low and high side overcurrent, earth-fault, negative sequence and two independent restricted earth-fault instances. The NPT916 can be applied for generator and motor differential protection as well.

The NPT916 communicates using various protocols including IEC 61850 substation communication standard.