ZB4-505-IF2 Eaton Overload Relay

The ZB4-505-IF2 is an overload relay equipped with a Siemens MPI communications interface. It features a non-isolated design for integration into compatible control systems. This device supports data exchange via the Siemens MPI protocol without galvanic isolation between the interface circuitry and the relay’s internal electronics. All functional and electrical characteristics align with the defined specifications for the ZB4-505-IF2 model. The unit is intended for use in industrial motor protection applications where MPI connectivity is required. No additional interface components or external isolation hardware are incorporated within the device. Its construction and interface behavior conform strictly to the published technical parameters for this model number.