The LX0FH020 is a replacement coil for TeSys F contactors, rated for 208 V AC (50-400 Hz) or 208 V DC control circuits. It's the part you swap when the old coil opens up or the insulation goes brittle on a hot motor starter.
Rated 1 million mechanical cycles — that's the life before the armature or spring wears out, not the electrical switching life which depends on the contactor's load. At 104 °F (40 °C) the maximum operating rate is 120 cycles per hour, so it'll keep up with a cycling conveyor or pump start-stop but not a high-speed pick-and-place. Coil resistance runs 20.2 Ω latching and 2654 Ω unlatching at 68 °F (20 °C). That wide spread tells you it's a two-winding coil — one winding pulls in, the other holds, which cuts holding power and heat.