Cam switch 16A, Three-phase starter switch (0,Y,A), in OB3 enclosure. ŁK16R-4.831\OB3

Three-phase starter switch – reliable motor control

This three-phase cam switch with a rated current of 16A is a robust solution for disconnecting and switching electrical circuits, especially in motor starting applications. The OB3 enclosure design provides high resistance to external conditions and safe operation. Designed for both professional use and end-users requiring reliable control.

Construction and application

The cam switch is used for manual switching of electrical circuits. Model ŁK16R-4.831\OB3 offers a 0-Y-∆ (0-star-delta) configuration, making it an ideal choice for starting three-phase motors. Made of durable plastic, it is resistant to mechanical damage and ensures long-term operation. The IP65 protection class guarantees protection against dust and water jets, allowing installation in various industrial and utility environments. Screw connection of the main contacts ensures secure and safe connection of wires.

Key features and benefits

• Durable construction: The plastic housing provides resistance to mechanical damage and corrosion, resulting in a long service life.
• High resistance to external conditions: IP65 protection protects against dust and water, allowing installation in harsh industrial conditions.
• 0-Y-∆ configuration: Enables efficient starting of three-phase motors, reducing starting current and minimizing the load on the electrical network.
• Secure connections: Screw connection of the main contacts ensures stable and reliable wire connections, minimizing the risk of short circuits and failures.
• Wide range of applications: Ideal for motor starting, switching power circuits and in applications requiring manual control of electrical devices.
• Adapted to work in difficult conditions: Operating temperature range from -40°C to +70°C allows the use of the connector in extreme climatic conditions.
• Rated AC-3 operating power: 8 kW at 400V – sufficient for many industrial and workshop applications.

Technical parameters in practice

The rated continuous current of 16A allows for safe circuit loading without the risk of overheating or damage to the device. The mechanical durability of 3 million switching cycles guarantees long-term and reliable operation of the switch for many years of use. Vibration and shock resistance confirms its reliability in demanding industrial environments. The cross-section of the connection wires 1.5…4 mm² ensures compatibility with various types of electrical installations.