Elevator Leveling Sensor EMK-HWPC20B U-type Photoelectric Switch PNP NPN DC24V, Elevator Floor Position Detector for Lift Leveling Control, Replacement Spare Part for Elevator Maintenance & Retrofit
EMK-HWPC20B is a U-groove photoelectric leveling sensor specially designed for elevator systems, supporting PNP and NPN dual output with DC24V power supply. Built with stable infrared detection structure, it features quick response, strong anti-interference, dustproof and shock resistance, adapting well to complex hoistway environments. It adopts standard wiring and easy mounting design, widely used as replacement spare parts for elevator maintenance, renovation and new lift projects, with reliable consistency and long service life.
| Brand |
SULAB |
| Description |
Elevator parts |
| Model |
EMK-HWPC20B |
| 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 |
This sensor detects the position of the elevator car by sensing the leveling plate. It sends position feedback signals to the elevator main control board, so the system can accurately judge whether the car reaches the floor leveling zone, control accurate stop and door opening, guarantee the elevator levels smoothly at each floor and ensure safe passenger boarding and alighting.
Elevator Sensor – FAQs
Q1: What types of sensors are commonly used in elevator systems?
Elevators use sensors for position detection, leveling, door monitoring, and other control functions. Common sensing technologies include magnetic, inductive, and photoelectric types, depending on the application.
Q2: Can elevator sensors with the same appearance be interchangeable?
Not necessarily. Similar-looking sensors may differ in sensing principles, supply voltages, output logic, detection distances, or connector arrangements.
Q3: What is the difference between NPN and PNP sensor outputs?
NPN and PNP sensors use different transistor output configurations. The correct type depends on the input circuit and wiring requirements of the elevator controller.
Q4: What can cause an elevator sensor to provide an incorrect signal?
Possible causes include incorrect alignment, damaged wiring, unstable power supply, contamination, electrical interference, or sensor failure. The connected controller and sensing target should also be checked.
Q5: What information is required to identify a replacement elevator sensor?
Please provide the original part number, sensing type, supply voltage, output signal, sensing distance, mounting dimensions, and connector details.
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U-type Elevator Leveling Sensor Photoelectric Switch with PNP NPN Dual Output DC24V for Floor Position Detection Images
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