Optical Encoder | 39272T.S

Encoder for "old" Legacy and ReliaG Series (NIDEC Motor).

Compatible with Overhead Door Legacy 920, Models 7020H and 7020H-B

Compatible with Genie ReliaG Professional Line, Models 3020H and 3020H-B 

The Optical Encoder also called the RPM sensor, is used in certain Overhead Door and Genie chain & belt operators. This may resolve the issue of short travel problems of drifting limits on the garage door opener.