Technical Parameters Electrical Ratings Type: Electronic overload relay Number of Poles: 3 Current Setting Range: 5.7 to 18.9 A Trip Class Options: Class 10E, Class 20E, Class 30E Auxiliary Contact Configuration: 1 NO (signal) + 1 NC (trip) Rated Operational Current: up to 18.9 A Rated Insulation Voltage (Ui): 690 V AC Rated Operational Voltage: up to 690 V AC Rated Impulse Withstand Voltage (Uimp): 6 kV Frequency: 50/60 Hz Protection & Performance Motor Protection: Overload protection with phase failure detection Reset Function: Automatic and/or manual reset options Temperature Compensation: Included for accurate trip behavior across temperature range Trip-Free Mechanism: Prevents weld-on in overload trip condition Test and Stop Functions: Built-in test and stop operation for safe maintenance Mechanical & Installation Mounting: Designed to be paired directly with compatible contactors Terminal Type: Screw terminals for main and auxiliary connections Protection Rating: IP20 Pollution Degree: 3 Dimensions: Approx. 74.6 mm (H) × 44.4 mm (W) × 57 mm (D) Weight: Approx. 0.15 kg Environmental Operating Ambient Temperature: –25°C to +70°C Storage Temperature: –50°C to +85°C Maximum Service Altitude: ~2000 m Standards & Compliance IEC/EN 60947-1 IEC/EN 60947-4-1 IEC/EN 60947-5-1 UL 60947-1 / UL 60947-4-1