General
Switch type	Limit switch
Actuation	plunger
Housing material	Insulating material
Cable entries	2

The Bernstein limit switch type BI2-SU1Z W is an insulating material-encapsulated mechanical end switch designed for use in industrial applications. It serves as a position switch for detecting motion states or limit positions in machines and systems. Due to its compact design and integrated two cable entries, it is particularly suitable for series-connected queries, where multiple switches are connected on one line. The cable entries enable flexible and secure wiring, simplifying installation and maintenance.

Limit switches are commonly used in automation technology to detect mechanical states such as reaching an end position. The BI2-SU1Z W operates as a switch in the open/close principle (O/C), where the switch state is changed by mechanical actuation via a plunger. Actuation occurs through a plunger, which triggers the switching function upon contact. This design is robust and intended for use in industrial environments.

Insulating material-encapsulated means that the switch housing is made of an electrically insulating plastic, protecting the electrical components and ensuring safe insulation. This increases safety when used in electrical installations and prevents short circuits. The encapsulation also contributes to mechanical stability and protects against external influences such as dust or moisture.

The two cable entries are a central feature of this switch. They allow direct wiring without additional connection elements and are particularly advantageous when multiple switches are mounted in a row, as they support continuous cable routing. This reduces the number of necessary connections and improves the reliability of the entire switching system.

The switch is intended for use in industrial control systems, particularly in systems requiring precise position monitoring. Typical applications include machine construction, material handling technology, machine tools, and packaging systems, where detection of end or intermediate positions is required. Mechanical actuation via the plunger ensures a clear and reliable switching function, independent of electrical signals.

Installation is typically done on a fixed surface or machine part, with the plunger actuated by a moving component. The cable entries facilitate integration into existing wiring systems, as they can be directly connected to cables. No additional connection elements are required, reducing installation time.

The operational safety of the switch is ensured by its robust construction and insulating material-encapsulated design. The mechanical switching function operates independently of electrical power sources and is purely contact-based. This makes the switch a reliable component in critical applications where malfunction must be avoided.

Compatibility is provided with standard wiring systems commonly used for industrial switching devices. The two cable entries allow direct connection to cables, typically equipped with screw terminals or similar connection techniques.

The switch is designed for use in industrial environments where it must withstand mechanical and electrical stresses. The design ensures long service life and high operational safety. Mechanical actuation is performed via the plunger, which switches the switch state upon contact.

Use is exclusively with the integrated cable entries and the plunger, which is part of the switch construction.

The switch function is based on a mechanical principle: upon contact with the plunger, the electrical contact is opened or closed, depending on the set state (O/C). This function operates independently of external power supply and is purely mechanical. The reliability of the switching function is supported by the robust construction and insulating material-encapsulated design.

Applications are in industrial control systems where precise position detection is critical. The two cable entries facilitate integration into existing systems, especially in series arrangements of multiple switches. Installation is on a fixed surface, with the plunger actuated by a moving component.

Operational advantages include easy installation, high reliability, and mechanical independence from electrical signals. The integrated cable entries reduce the number of necessary connections and increase wiring safety. The insulating material-encapsulated design protects against external influences and extends the device's service life.

The switching function is clearly defined and performed by mechanical actuation. Reliability is ensured by the robust construction and simple operating principle. The switch is designed for use in industrial systems where high operational safety is required.

Application areas include machine construction, material handling technology, machine tools, and packaging systems. In these areas, precise detection of end or intermediate positions is required to ensure system functionality. The two cable entries enable flexible and secure wiring, simplifying installation and maintenance.

Functions and equipment in detail include the insulating material-encapsulated design, two cable entries, and mechanical actuation via a plunger. The switching function operates on the open/close principle. The construction is designed for industrial environments, with mechanical reliability and electrical insulation being primary considerations.

Technology explained simply means that the switch operates the electrical contact via mechanical actuation (plunger). The cable entries enable direct wiring, simplifying connection options. The insulating material-encapsulated design protects electrical components and increases safety.

Use is exclusively with the integrated functions of the switch.

Installation and mounting are performed on a fixed surface, with the plunger actuated by a moving component. The cable entries allow direct wiring, reducing installation time. No additional connection elements are required.

Operational advantages include easy installation, high reliability, and mechanical independence from electrical signals. The integrated cable entries reduce the number of necessary connections and increase wiring safety. The insulating material-encapsulated design protects against external influences and extends the device's service life.

The switching function is clearly defined and performed by mechanical actuation. Reliability is ensured by the robust construction and simple operating principle. The switch is designed for use in industrial systems where high operational safety is required.