OTIS Elevator Rotary Encoder TAA633H502
Model: TAA633H502
MOQ: 1pcs
Original: China
Certificate: ISO9001
Warranty Time: 12Months
Delivery Time: 3~15 Working Days
Payment Terms: T/T, L/C, Western Union, MoneyGram, Paypal
OTIS Elevator Rotary Encoder TAA633H502 is an incremental hollow conic shaft rotary encoder manufactured by Hohner, designed specifically for OTIS elevator door operators. Featuring a 60° conic hollow shaft, 4096 PPR main pulse, and 9 PPR rescue pulse, it delivers precise position and speed feedback to ensure smooth, stable door operation. Built with industrial-grade bearings, it provides strong anti-interference performance and an extended service life. Available in both original and replacement options.
We also supply other OTIS elevator encoders, such as AAA633Z3, DAA633D1, and TAA633K151 (original and general replacement models), to fit various budget requirements. Contact customer service for details.
Product Parameter
|
Parameter |
Specification |
|
Type |
Elevator Parts |
|
Category |
Elevator Rotary Encoder |
|
Brand |
Hohonr |
|
Model |
TAA633H502 |
|
Shaft Type |
Conic Shaft |
|
Shaft Angle |
Conic 60º |
|
Main Resolution |
4096 PPR (Pulses Per Revolution) |
|
Rescue Signal |
9 PPR |
|
Shaft Type |
1:10 Conic Shaft |
|
Approx. Weight |
~1.0 kg |
|
Brand Availability |
Original & High-Quality Replacement Options |
|
Compatibility |
OTIS Main Motors, Gearless Traction Machines & Door Operators |
|
Warranty Time |
12Months |
|
Delivery Time |
3~15 Working Days |
|
Certificates |
ISO9001 |
|
|
|
|
|
|
1. High-Precision Closed-Loop Feedback for Smooth Traction Control
Featuring a 4096 PPR main resolution and a 9 PPR rescue pulse, the OTIS Elevator Rotary Encoder TAA633H502 delivers real-time closed-loop speed feedback directly to frequency inverters. As an industrial-grade Elevator Motor Encoder, it eliminates motor speed fluctuations and start-stop vibration, ensuring smooth car acceleration and millimeter-level floor leveling precision.
2. 60° Conic Hollow Shaft Design: Seamless Replacement & Zero Slippage
Designed with a standard 60° conic shaft structure, the OTIS Elevator Rotary Encoder TAA633H502 fits directly onto gearless traction machines without complex retrofitting. This conical coupling creates a friction-locked, self-centering connection with the traction shaft, completely preventing mechanical slippage and axial displacement during frequent high-torque operations.
3. Industrial-Grade Servo Build: Strong Anti-Vibration & Extended Service Life
Engineered for harsh shaft environments, this incremental hollow shaft servo encoder features reinforced bearings and a heavy-duty housing. Built as a reliable Elevator Traction Machine Encoder, it resists continuous motor vibration and electromagnetic interference, extending component lifespan and lowering overall maintenance costs for modernization projects.
Why Choose Us?

Guaranteed Quality - 100% Original manufacturer products.
Best Price - Factory-direct pricing.
Reliable & Fast Delivery - Faster than 90% of suppliers.
One-Stop Elevator System Provider - Saving you 90% of your time.
After-Sales Service Protection - Near-zero quality complaints in the last 3 years.
Product Packaging

Shipping & Payment
After-Sales Support

Pre-Sales:
Consultation & Solution Support - Product guidance, technical assistance, and customized recommendations to help customers choose the right solution.

In-Sales:
Installation & Technical Assistance - Professional support during installation and commissioning to ensure efficient system integration.

After-Sales:
Warranty & Long-Term Support - All products include a minimum 1-year warranty, with extended coverage available for selected items and ongoing technical support.
FAQ
Q: What are the core technical parameters of OTIS Elevator Rotary Encoder TAA633H502?
A: OTIS Elevator Rotary Encoder TAA633H502 is a Hohner incremental encoder with a 60° conic hollow shaft. It supports 4096 PPR normal pulse output and an independent 9 PPR rescue pulse, designed for speed and position feedback of OTIS gearless traction machines.
Q: What benefits does the 60° conic hollow shaft bring to OTIS Elevator Rotary Encoder TAA633H502?
A: The 60° conic hollow shaft features self-centering installation, reducing mechanical clearance and axial runout. When installing OTIS Elevator Rotary Encoder TAA633H502, it ensures stable torque transmission and effectively avoids pulse loss caused by vibration and shaft slippage during long-term elevator operation.
Q: What typical elevator faults can be fixed by replacing OTIS Elevator Rotary Encoder TAA633H502?
A: Replacing OTIS Elevator Rotary Encoder TAA633H502 can resolve common issues including elevator running jitter, unstable speed, drive encoder fault alarms and abnormal emergency rescue function. It is a standard maintenance solution for traction machine feedback failure.
Q: Does Nona Elevator supply both original Hohner and compatible replacement versions for OTIS Elevator Rotary Encoder TAA633H502?
A: Yes. We provide the original Hohner OEM unit and fully tested aftermarket replacement of OTIS Elevator Rotary Encoder TAA633H502. All alternative encoders complete pulse waveform testing before shipment to achieve reliable plug-and-play performance for lift maintenance and modernization.
Q: How to prolong the service life of OTIS Elevator Rotary Encoder TAA633H502 during daily operation?
A: Regularly inspect the fastening condition of the conic shaft and wiring harness of OTIS Elevator Rotary Encoder TAA633H502. Keep the surroundings free of greasy dirt and metal scraps, and avoid continuous high-temperature working environments to protect internal optical components.
Q: What other OTIS encoder models are available besides OTIS Elevator Rotary Encoder TAA633H502?
A: In addition to OTIS Elevator Rotary Encoder TAA633H502, Nona Elevator also supplies AAA633Z3, DAA633D1, TAA633K151 and other mainstream OTIS encoder models. Original and replacement options are available to satisfy different project budget requirements.
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