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Roller swing lever type limit switch XZ-8104

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Elevator limit switch is a switch that limits the action position of the actuator. Limit switch is widely used. It is often seen in electrical components. It is usually used with the main switch and plays an irreplaceable role in the control circuit with actuator. Limit switch is an electrical switch used to limit the movement limit position of Mechanical equipment

Elevator limit switches are of contact type and non - contact type When the mechanical contact of the travel switch touches the stop, the control circuit is cut off (or changed), and the machine stops or changes operation Due to the inertia movement of machinery, this travel switch has a certain "over travel" to protect the switch from damage There are many forms of non-contact, such as reed, photoelectric, inductive and so on.

Elevator limit switches are generally equipped with a row of control switches at the top and bottom of the elevator shaft to slow down and control the elevator stop.

First touch the forced deceleration switch - up (down) limit switch - limit switch according to the running direction of the elevator.

If the speed is high, the elevator limit switch will be divided into one-stage deceleration switch and two-stage deceleration switch, or even more. After the elevator car touches the deceleration switch, it will execute deceleration action.

When the elevator car touches the upper (lower) limit switch, it will immediately stop the upward (or downward) operation, but it can still run downward (or upward).

When the elevator car touches the limit switch, it will immediately cut off the control circuit and stop the car. It cannot run up and down. The elevator can only run after the lift car is removed by external force and the limit switch is reset.

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