TeSys F, contactor coil, LX4FJ, 24 V DC. range: TeSys – product or component type: contactor coil – device short name: LX4FJ – product compatibility: LC1F400 – average resistance: 2.5 Ohm inrush at 20 °C, 558 Ohm holding at 20 °C – inductance of closed circuit: 56 H – operating time: 45…60 ms opening, 50…60 ms closing.