Parameter Specification Product Series PKZ Zero (Moeller) Brand Eaton Product Type Thermal Overload Relay Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 690 V AC Application 3-phase AC Motor Protection Standards IEC/EN 60947-4-1, IEC/EN 60947-5-1 Protection Functions Overload, Phase Unbalance, Phase Loss (Single-Phasing) Ambient Temperature Compensation Yes Reset Mode Manual (Standard), Automatic (optional on some models) Mounting Snap-on mounting to Eaton XT/XT1 series contactors Auxiliary Contacts Typically 1 NO (97-98) + 1 NC (95-96) Trip Class Class 10 (Standard for standard duty motors)
