The Airbus PureLine Topaz/THORs is an electronic propulsion subsystem solution for satellites operating in the low earth orbit (LEO). It is based on low power hall effect thruster (HET) technology and is well suited for orbit raising, station keeping and deorbiting maneuvers. It also has a bi-compatibility to the latest generation plasma thrusters and consists of a modular system to answer specific needs in terms of thrust, redundancy and mission lifetime. The product weighs 10 kgs and has a total impulse per string up to 260kN.