YBLX-ME/8111 direct-pressure plunger-type limit switch

This is a **direct-pressure plunger-type limit switch** produced by CHINT Electric (CHNT) and Tengen Electric (TENGEN), and it is a commonly used component in the field of industrial control. The following is a detailed analysis:

 I. Product Positioning and Core Functions

YBLX-ME/8111 belongs to the category of **master electrical limit switches**, which is mainly used in electrical control systems to achieve the following functions:

1. **Motion mechanism limit**: Trigger the on-off of the circuit through mechanical contact to limit the movement range of equipment (such as conveyors, lifting platforms).

2. **Direction/speed control**: Cooperate with other components to realize the switching of movement direction or speed adjustment.

3. **Automated program control**: Serve as a trigger node for logic control in machine tools and automated production lines.

Its core technical parameters include:

- **Rated voltage**: AC 380V/DC 220V

- **Rated current**: AC-15: 0.8A; DC-13: 0.16A

- **Protection class**: IP62 (dust-proof and drip-proof)

- **Operating frequency**: 20 times per minute

- **Ambient temperature**: -5℃ ~ +40℃

 II. Structural Design and Operation Method

YBLX-ME/8111 adopts a **direct-pressure plunger structure**, and the contact action is triggered by directly pressing the plunger with external mechanical force:

- **Operating stroke**: 5mm (plunger pressing distance)

- **Overstroke**: 2mm (safety redundant stroke)

- **Total stroke**: 7mm

- **Operating force**: 15N (minimum triggering force required)

This design is suitable for scenarios that require **precision position control**, such as:

- Limit position protection of machine tool worktables

- Shelf limit in automated warehousing systems

- Station positioning of packaging machinery

 III. Industry Applications and Procurement Channels

1. **Typical application scenarios**:

   - Manufacturing production lines: Prevent mechanical damage caused by excessive operation of equipment.

   - Logistics automation: Path boundary detection of AGV (Automated Guided Vehicle).

   - Construction machinery: Height limit of tower cranes and elevators.

2. **Procurement information**:

   - **Brands**: CHINT Electric (CHNT), Tengen Electric (TENGEN)

   - **Model correspondence**: Series models such as YBLX-ME/8111 (direct-pressure plunger type) and YBLX-ME/8108 (adjustable roller arm type).

   - **Purchasing platform**: Whatsapp: 0086-13811255435

IV. Usage Precautions

1. **Installation specifications**:

   - It should be installed vertically on a fixed bracket to ensure that the movement direction of the plunger is aligned with the mechanical contact component.

   - Wires with a cross-sectional area of ≥0.75mm² should be used for wiring to avoid excessive contact resistance.

2. **Maintenance recommendations**:

   - Regularly clean the surface of the contacts to prevent poor contact caused by dust accumulation.

   - Check the elasticity of the plunger spring after every 100,000 operations, and replace aged components in a timely manner.

3. **Safety warnings**:

   - It is strictly forbidden to disassemble or adjust the internal structure when the power is on.

   - Avoid using it in flammable and explosive environments; it should be used with an explosion-proof shell (special customized model).

V. Possible Misunderstandings and Corrections

In the "YBXL-ME/8111" you provided, **YBLX** is a general code in the industry (Y stands for "limit switch", and BLX is a company-defined prefix), while "YBXL" may be a typo. It is recommended to check the complete model on the product label or manual to ensure it matches the actual needs.