
This is an OEM incremental optical rotary encoder exclusively customized for Otis elevator gearless traction machines. Model RF538192/01300B7 marked with Otis part number DAA633K7 integrates dual signal functions:
ABZ quadrature differential pulses for real-time elevator speed, rotation direction and car leveling position feedback;
UVW three-phase magnetic pole commutation signals for traction motor vector drive phase alignment.Adopts Φ53mm compact aluminum housing and 6mm tapered solid shaft, matched with elastic anti-rotation mounting flange to absorb motor shaft radial runout, ensuring stable signal output under long-term continuous elevator operation. Widely used for new Otis elevator assembly and old lift maintenance replacement.

Address:No. 177, Changda Road, Gaoxin District, Changchun City, Jilin Province, China
WhatsApp:+8619997106556
Wechat: 13614416205
E-mail:kris@sfencoder.com