Bulletins 193-EC and 592-EC E3 Solid-State The Allen-Bradley E3 Solid-State Overload Relay is an optimal world class product offering a broad range of features in one complete, compact package that allow you to cost effectively manage and monitor motor performance in order to prevent and minimize production downtime: Features : Advanced protective functions. Warning settings. Control capabilities. Operational data and status information. Integrated I/O. DeviceNet communications (ODVA conformance tested). Unsurpassed true RMS current measurement is provided through the combined technologies of hall-effect current sensors and patented signal processing circuitry and software algorithms. Current measurement is accurately reported over a broad frequency range of 20...250 Hz. The E3 overload relay is available in both IEC (193-EC) and NEMA (592-EC) configurations for a truly global motor protection solution.