The SLD-4 is a landing switch (leveling switch) for elevator systems. It detects the car position at a landing and provides the leveling and door zone signals to the control system. It is used in TKE elevator systems where landing switch 3K5N-0185G01 is applied.
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Related TKE landing switches and leveling sensors in the same range:
3K5N-0185G01 and 3K5N-0185G02 are landing switches of the same series. BUP-30S and BUP-50S are leveling sensors used in TKE elevators. These models differ in type, mounting arrangement, sensing method, and connection, so the model, the pin assignment, and the mounting position must be confirmed against the original part.
The models above are only a part of what we can supply. We stock and source a much wider range of related and alternative models. If your model number is not listed here, please send us the model number or a photo of the original part, and we will confirm availability and the correct match for you.
Q1: What is the function of the SLD-4 landing switch?
A: It detects the car position at a landing and provides the leveling and door zone signals to the elevator control system. The signals are used for accurate stopping at the floor.
Q2: What are the electrical specifications of this switch?
A: Output type is PNP, dark on. Power supply is 24V DC, with a current of 300mA.
Q3: How is the SLD-4 wired?
A: It uses a 6-core cable with a 6-pin terminal block. Pin 1 is +24V (red), Pin 2 is GND (blue), Pin 3 is LU (yellow), Pin 4 is LD (black), Pin 5 is DZ1 (green), and Pin 6 is DZ2 (white).
Q4: How can I confirm whether this switch fits my elevator?
A: Please compare the model, the pin assignment, the mounting arrangement, the dimensions, and the connector with your original switch.
Q5: Can you help identify the correct switch if I am not sure?
A: Yes. Please send clear photos of the original switch, including the complete body, the part number or label, the mounting bracket, and the connector. Our technical team can help identify the correct part.
Q6: Do you supply other TKE landing switches and sensors?
A: Yes. We supply landing switches, leveling switches, leveling sensors, limit switches, and other TKE elevator switches and sensors.
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