The SL-73A1 is a magnetic proximity sensor with a normally open (NO) output and a 24–48VDC operating voltage. It is designed for position and status detection in compatible elevator control systems. Please verify the voltage, output type, wiring, and mounting position before ordering.
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We can also supply similar magnetic proximity sensors and elevator position detection components.
Since compatibility depends on the operating voltage, output type, wiring, sensing distance, and mounting structure, no unverified alternative model numbers are listed here. Please send us photos of the original sensor and wiring if you need help confirming a similar model.
Q1: What is the function of the SL-73A1 sensor?
A: The SL-73A1 detects the position or status of a compatible elevator component through magnetic proximity sensing.
Q2: What does NO mean?
A: NO means Normally Open. The output contact remains open in the normal state and changes status when the sensor detects the corresponding magnetic target.
Q3: What is the operating voltage of this sensor?
A: The specified operating voltage is 24–48VDC. Please confirm that the elevator control system provides a compatible DC voltage before installation.
Q4: How can I confirm whether the SL-73A1 is suitable for my elevator?
A: Please compare the model number, output type, voltage, wiring, sensing distance, and mounting structure with your original sensor.
Q5: Can you help confirm the correct model if I am not sure?
A: Yes. Please send clear photos of the original sensor, product label, wiring, magnetic target, and installation position. Our technical team can help identify the correct model.
Q6: Do you supply other elevator sensors and spare parts?
A: Yes. We supply magnetic proximity sensors, photoelectric switches, load sensors, PCBs, buttons, and other elevator spare parts.
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