The DB19EF single mounting kit allows the installation of EF19 electronic overload relays without a contactor on a DIN rail or mounting plate. Technical Rated Operational Voltage: Auxiliary Circuit 600 V AC/DC Main Circuit 690 V AC Rated Operational Current (Ie): 18.9 A Rated Operational Current AC-3 (Ie): 18.9 A Rated Frequency (f): Main Circuit 50 Hz Main Circuit 60 Hz Rated Impulse Withstand Voltage (Uimp): Main Circuit 6 kV Rated Insulation Voltage (Ui): 690 V Number of Poles: 3 Number of Protected Poles: 3 Pollution Degree: 3 Connecting Capacity Main Circuit: Flexible with Ferrule 1x 0.75 ... 2.5 mm² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mm² Flexible 1x 0.75 ... 2.5 mm² Rigid 1x 1 ... 4 mm² Tightening Torque: Main Circuit 0.8 ... 1.5 N·m Wire Stripping Length: Main Circuit 12 mm Recommended Screw Driver: Pozidriv 2 Suitable For: EF19 Standards: IEC/EN 60947-1 IEC/EN 60947-4-1 UL 60947-1 UL 60947-4-1