Elevaror Spare Parts for Mitsubishi Limit Switch

Product Description

Elevaror Spare Parts for Mitsubishi Limit Switch (SN-S3-B1370)

Rated insulation voltage :380V
Rated working current:  AC: 02A ;  DC: 0.3A
Rated working voltage:  AC: 220V ;  DC: 100V
Working environment temperature :-5°C~+40°C
Shell protection class: IP20
Restricted short circuit current:1000A

Elevator Limit Switch - Precision Safety Control for Smooth Elevator Operation

An elevator limit switch is a critical safety and control device designed to ensure the safe and reliable operation of elevators. It functions as an electromechanical sensor that detects the position of the elevator car, preventing overtravel at the top and bottom of the shaft and enabling precise stopping at floor levels.

Key Features & Benefits

1. Over-Travel Protection - Automatically cuts off power or triggers braking if the elevator exceeds its designated travel limits, preventing collisions with the shaft's top or bottom.

2. Precision Positioning - Ensures accurate stopping alignment with floor levels, enhancing passenger safety and comfort.

3. Durable Construction - Built to withstand harsh conditions, including dust, moisture, and mechanical wear, ensuring long-term reliability.

4. Fail-Safe Operation - Works independently of the main control system, providing an additional layer of safety in case of primary system failure.

5. Easy Installation & Maintenance - Modular designs allow for quick replacement and adjustment, minimizing downtime.

Types of Elevator Limit Switches

• Mechanical Limit Switches - Use physical levers or rollers to activate/deactivate when the elevator reaches a set position.

• Magnetic Proximity Switches - Non-contact sensors that detect magnetic fields for wear-free operation.

• Optical Sensors - Use infrared or laser beams for high-precision detection in modern elevator systems.

About us:

Why choose us?
Shanghai Sunny Elevator Co., Ltd, founded in 1992, is a 33-year professional manufacturer specializing in designing and producting Opto-Electro-Mechanical products.
Sunny Elevator has started import and export since 2012.
We have experience in exporting all kinds of elevator parts and complete elevator to 80 countries all over the world.

FAQ
1. Are the elevator wire ropes durable?
The elevator wire rope has special provisions and requirements. Configuration is not only for wire rope and rated load, but also considered the size of the traction, as a result, the tensile strength of wire rope is greater than the weight of the lift. The safety factor is equipped with more than four wire rope. So it won't break at the same time.
2. Is it dangerous for power failure suddenly during the elevator running?
If it occurs, the elevator will automatically stop due to the electrical and mechanical safety device. In case of power failure,elevator brakes will automatically taken. In addition, the power supply departments such as planned outage, prior notice are also operating.
3. Will us be hurt when it closed suddenly?
In the closing process, if people touch the hall door, the door of elevator will automatically restart without any danger. With anti clamping switch, once the gate touched, this switching action make the elevator unable to be closed and even reopened. In addition, closing force is also available here.
4. How the elevator running?
Elevators are operated with a counterweight wire rope through the (tractor) traction drive, making ups and downs on the guide rail.
5. Is the escalator installation complicated?
We believe the functions of an escalator are not necessarily proportional to the operation complexity. Therefore, escalators designed by us apply an integrated structure, so that the equipment is more precise and more efficient and allows easier and more convenient commissioning.
6. Do you have any cerifications?
Yes, we do with ISO9001 / CCC / CE Certificates for u.