TeSys F, contactor coil, LX4FF, 220…230 V DC. range: TeSys – product or component type: contactor coil – device short name: LX4FF – product compatibility: LC1F115, LC1F150 – average resistance: 11100 Ohm holding at 20 °C, 84 Ohm inrush at 20 °C – inductance of closed circuit: 704 H – operating time: 30…40 ms closing, 30…50 ms opening.