Cam switch 20A, Three-phase starter switch (0,Y,A), in OB11 enclosure. SK20-4.831\OB11

Universal cam switch for demanding applications

This three-phase cam switch with a rated current of 20A is a robust solution for switching and disconnecting electrical circuits. It finds application in both industrial installations and more demanding commercial applications. Its design, based on proven solutions, guarantees reliability and long life. The switch is supplied in a durable OB11 housing, providing protection against external factors.

Construction and characteristic features

The cam switch offers flexibility in circuit configuration with the ability to switch between 0, Y and Δ positions. Made of high-quality plastic, it provides good insulation and resistance to mechanical damage. Screw connection of the main contacts guarantees a secure and safe connection of the wires. The IP65 degree of protection confirms resistance to dust and moisture, allowing installation in harsh environmental conditions. The design with double cams allows creating connection programs tailored to specific application needs.

Applications and benefits

• Versatility: Ideal for use as a switch, disconnector, changeover switch or control switch in low-voltage circuits.
• Durability: OB11 housing made of PA6 thermoplastic provides resistance to damage and facilitates cleaning.
• Safety: IP65 protection protects against dust and moisture, increasing safety of use.
• Flexibility: The ability to configure the drive knob stroke angles (30°, 45° or 90°) allows adaptation to specific installation requirements.
• Compliance with standards: Meets the requirements of PN-EN60947-3 and IEC 60947-3 standards, which guarantees safety and reliability of operation.
• Easy installation: Access to PE and N protective conductor connections and M20 cable glands facilitate installation.
• Reliability: Designed to operate at temperatures from -40°C to +70°C and resistant to vibrations, shocks and atmospheric factors.

This switch is not only an electrical component – it is an investment in the safe and efficient operation of the electrical installation. Its solid construction and compliance with standards provide peace of mind for both installers and end users. The rated power for AC-3 is 4 kW at 400 V, making it a suitable choice for a variety of industrial and commercial applications.