TeSys F, specific contactor coil, 48 V AC 40…400 Hz low consumption. range: TeSys – product or component type: specific contactor coil – device short name: LX9FF – product compatibility: LC1F115, LC1F150 – average resistance: 3.03 Ohm inrush at 20 °C, 80.2 Ohm holding at 20 °C – inductance of closed circuit: 0.3 H – operating time: 130 ms opening, 35 ms closing.