| Model | MSR B1 |
| Switching Principle | Bistable Magnetic Proximity |
| Operating Voltage | DC 24V / DC 110V / AC 220V (Optional) |
| Switching Current | Max. 2A (Resistive Load) |
| Contact Configuration | 1NO + 1NC or 2NC (Selectable) |
| Sensing Distance | 5-15mm (Adjustable) |
| Holding Force | ≥15N (Magnetic Retention) |
| Operating Temperature | -25°C to +70°C |
| Protection Class | IP54 (Standard) / IP65 (Optional) |
| Mechanical Life | ≥10 Million Cycles |
| Electrical Life | ≥5 Million Cycles |
| Housing Material | PA66 Flame Retardant Plastic / Metal (Optional) |
| Cable Length | 1.5m (Standard) / Customizable |
| Certifications | CE, UL, CCC, ISO9001 |
| Application | Passenger Elevators, Freight Elevators, Dumbwaiters |
| Compatible Systems | Door Operator, Landing Door Lock, Car Door Contact |
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.