Massoth Hall Sensor, TLE4945L which connects directly via a three wire cable to the CLK 1 input on a Massoth decoder.
To operate the Hall Sensor, a ring magnet is installed onto an axle inside the LGB loco’s gearbox.
Massoth 8242030 / 8242035 Pulse Generator
Hall Sensor TLE4945L for Massoth 8242030 8242035 Pulse Generator