The RWT250 from Astrofein is a Reaction Wheel that is designed for SmallSat Highline and has a lifetime of up to 7 years with an integrated wheel drive electronics for latch-up protection. This reaction wheel has an angular momentum of 4 Nms and a torque of 0.3 Nm. It has an internal compensation of friction, time delays, high torque and speed stability at low noise. This reaction wheel requires a supply voltage of 23-34 V and power consumption of 200 W . It has a rotation speed range of 5000 rpm and supports RS485 and CAN interfaces. The reaction wheel has a mass of 3 kg and measures 200 x 200 x 100 mm.