Model No: TCA177CH1

Elevator Magnetic Switch TCA177CH1 for OTIS

The Otis TCA177CH1 elevator magnetic switch (green PRS positioning sensor) is an inductive levelling and position detector engineered for OTIS elevator hoistway systems. It senses magnetic vanes along the guide rail to ensure accurate car stopping, door zone detection, and floor levelling. Please verify your mounting bracket configuration and cable connector before ordering.

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Specifications

Property	Value
Brand	OTIS
Model / Part Number	TCA177CH1
Common Name	Magnetic Detector / Reed Switch / Levelling Sensor / PRS Proximity Switch
Product Type	Elevator Magnetic Position Reference & Levelling Switch
Housing Color / Lead	Green Housing / Approx. 300 mm Cable Leads
Application / System	OTIS Elevator Position Reference System (PRS) / Door Zone Levelling
Related Reference	GAA177HB6, etc.
Global Shipping	Express Delivery (DHL/FedEx/UPS/TNT)

Why Source from POTENSI

Accurate Levelling Sensing: POTENSI supplies verified TCA177CH1 magnetic switches calibrated for rapid contact closure and high repetitive positioning accuracy, preventing floor releveling errors and overtravel faults.
Electrical & Insulation Verification: Each magnetic sensor undergoes strict continuity testing, reed contact response verification, and housing seal checks prior to dispatch.
Global Elevator Spares Support: We maintain reliable sourcing channels for critical OTIS safety and signal components, providing maintenance teams and contractors worldwide with quick-turnaround replacement solutions.

Logistics and After-Sales

Protective Packaging: Every sensor unit is individually sealed in moisture-proof packaging with protective cushioning to safeguard delicate internal reed switches and lead wiring during international handling.
Worldwide Express Delivery: Fast door-to-door delivery is coordinated through premier logistics partners (DHL, FedEx, UPS, TNT), backed by end-to-end tracking.
Technical Support: Should you require guidance regarding bracket mounting distances, magnetic polarity alignment, or wiring pinouts, POTENSI provides prompt technical assistance for your elevator magnetic switch TCA177CH1 for OTIS.