Limit Switch D4N-4E22

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Product Overview


Product Description

Wuhan Infinity Power Semiconductor & Controls Co., Ltd offers all well-known brands of proximity sensors from Europe and Japan. With 12-year experience of this industry, all items from us are qualified.


Honeywell Limit Switch D4N-4E22


Wuhan Infinity Power Semiconductor & Controls Co., Ltd. offers a variety of well-known brands of power electronics and automation industrial parts, like electronic modules, PLC, inverter, servo drive, servo amplifier, contactor, sensor, cooling fan etc. Experienced since 2004, made us one of the largest distributors in China of our industry. We will be always offering fastest delivery and minimize your cost.



In electrical engineering a limit switch is a switch operated by the motion of a machine part or presence of an object.


They are used for controlling machinery as part of a control system, as a safety interlocks, or to count objects passing a point. A limit switch is an electromechanical device that consists of an actuator mechanically linked to a set of contacts. When an object comes into contact with the actuator, the device operates the contacts to make or break an electrical connection.


Limit switches are used in a variety of applications and environments because of their ruggedness, ease of installation, and reliability of operation. They can determine the presence or absence, passing, positioning, and end of travel of an object. They were first used to define the limit of travel of an object; hence the name "Limit Switch".


Packaging & Shipping



DHL, TNT, UPS, Fedex, Aramex and CDEK are available.


We now seal packages with kraft paper tape and write on your name, package weight and leave a mark, please see our packing format attached. If package is broken, wet or not in a good shape; not our packing style; opened seal and repacked, you can ask to open to check under delivery man's observation before sign it. Any problem inside, please take a photo and reject, and let us know.


Please be aware of nails at both sides when take goods out of box, don't get hurt.



Our Services

Our Capability
1. Infinity sources for 120,000 items of automation industrial use, short lead time and top quality.

2. 24 hours per day and 7 days per week, look after for help from our product manager.

3. Experienced technichal support team will always solve your problem.

4. One year warranty for all items from us.

5. Hard-to-find components will also be found here.

6. Deliver within 3 working days.


Company Information

Our Main Products

We are mainly based on proximity sensors - inductive, capacitive and photoelectric; and other kinds automation industrial related components like limit switch, encoder, fiber sensor, axial fan, power supply, inverter, PLC, servo motor and drive.


Inquiry is welcomed!

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