BUP-50-HD Elevator Leveling Sensor – IP66 U-Shaped Photoelectric Switch for Accurate Floor Positioning
Keep every stop perfectly level. The BUP-50-HD is a heavy-duty, through-beam photoelectric sensor designed for elevator-car positioning. IP66-rated ABS housing shrugs off dust, oil and vibration, while the 50 mm slot and 1 ms response guarantee millimetre-accurate floor alignment.
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Zero-contact sensing – no mechanical wear
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50 mm wide slot accepts opaque targets ≥ Ø 4 mm
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Light-ON / Dark-ON selectable by wire – one part, two logics
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IP66 & -25 °C ~ +65 °C working range; survives hoist-way humidity
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2 m oil-resistant cable – no extra connector needed
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CE compliant, 30 mA max. draw – energy-saving & export-ready
| Parameter |
Value |
| Sensing type |
Through-beam (U-slot) |
| Sensing distance |
50 mm |
| Min. detectable object |
Ø 4 mm opaque |
| Light source |
Infrared LED (940 nm) |
| Supply voltage |
12-24 VDC ±10 % |
| Current consumption |
≤ 30 mA |
| Response time |
≤ 1 ms |
| Output mode |
NPN open-collector, Light-ON / Dark-ON (selectable) |
| Connection |
Pig-tail cable Ø 4 mm, 2 m length |
| Protection |
IP66 |
| Operating temperature |
‑25 °C … +65 °C |
| Housing material |
ABS (body), PC (cap) |
| Weight (incl. cable) |
≈ 115 g |
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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BUP-50-HD Elevator Leveling Sensor – IP66 U-Shaped Photoelectric Switch for Accurate Floor Positioning Images
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