Xian Sulab Machinery Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Delivery Time | Normally 2-3 working days after payment |
| Brand | SULAB |
| Description | Elevator parts |
| Model | GBA22439E2 |
| MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea |
| Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc |
| Warranty | One year |
| Payment Method | Company Bank, Western union, Paypal etc |
| Brand Name | SULAB |
| Model Number | GBA22439E2 |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Delivery Time | Normally 2-3 working days after payment |
| Brand | SULAB | Description | Elevator parts |
| Model | GBA22439E2 | MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea | Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc | Warranty | One year |
| Payment Method | Company Bank, Western union, Paypal etc | Brand Name | SULAB |
| Model Number | GBA22439E2 | ||
| High Light | OTIS leveling sensor GBA22439E2 ，GEN2 traction belt elevator part ，PRS headreader floor position sensor | ||
OTIS Leveling Sensor GBA22439E2 GEN2 Traction Belt PRS Headreader Precise Floor Position & Speed Detection Original Elevator Spare Parts
Precise Floor Leveling (Core Role)
Reads magnetic strip data on the GEN2 traction belt, delivering real-time absolute position feedback to the main controller. Achieves ±1mm ultra-precise leveling, eliminating tripping hazards and improving passenger safety & comfort.
Real-Time Speed Monitoring
Detects belt movement speed and direction, providing high-resolution speed signals to the drive system. Ensures smooth start, constant-speed operation, and jerk-free stopping, preventing elevator shaking or swaying.
Position Reference & Calibration
Acts as the elevator’s primary position reference, enabling the control system to calculate floor height, change-speed points, and terminal limits. Critical for preventing overtravel, top landing, or bottoming risks.
| Brand | SULAB |
| Description | Elevator parts |
| Model | GBA22439E2 |
| MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea |
| Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc |
| Delivery Time | Normally 2-3 working days after payment |
| Warranty | One year |
| Payment Method | Company Bank, Western union, Paypal etc |
Fault Diagnosis & System Protection
Monitors signal integrity in real time; triggers fault alarms & safety stops for abnormal signals (e.g., sensor failure, belt deviation). Supports predictive maintenance, reducing downtime and repair costs.
Perfect Compatibility with GEN2 System
Original OTIS part, 100% compatible with GEN2 controllers and inverters. No complex calibration needed after replacement—plug-and-play, ideal for hotels, offices, residential buildings, and hospitals.
Company Details
Business Type:
Trading Company,Seller
Year Established:
2014
Total Annual:
1000-50000
Employee Number:
10~50
Ecer Certification：
Verified Supplier
Xi’an Sulab Machinery Co., Ltd is committed to providing our customers with the highest quality elevator and escalator parts in the most timely and professional manner. The main brands are Otis, KONE, Sigma, Hyundai, , etc. There are also elevator and escalator spare parts of Chinese brands su... Xi’an Sulab Machinery Co., Ltd is committed to providing our customers with the highest quality elevator and escalator parts in the most timely and professional manner. The main brands are Otis, KONE, Sigma, Hyundai, , etc. There are also elevator and escalator spare parts of Chinese brands su...
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