Cam switch 20A, Three-phase starter switch (0,Y,A), base rail mounting front grey knob black SK20-4.831\BS23

Universal cam switch for demanding applications

This three-phase cam switch with a rated current of 20A is a robust solution for controlling electrical circuits. Designed for both professional and home use, it provides reliable switching in 0-Y-∆ systems. The design allows for mounting on a base rail (TS35), making installation and configuration in distribution boards easier. Made of durable plastic, it is resistant to mechanical damage and ensures long-term operation.

Construction and functionality

The switch is characterized by three poles and has a "0" position, allowing for safe disconnection of the circuit. Made of high-quality materials, it ensures stable operation even in harsh environmental conditions. The connection of the main contacts is made using screw connections, guaranteeing a secure and durable connection of the wires. The IP65 protection class of the front side protects against dust and water ingress, increasing safety.

• Versatility: Three-phase starter switch (0, Y, A) allows configuration of various electrical circuits.
• Mounting: Quick and easy mounting on a base rail (TS35) – saves time and installation costs.
• Durability: The housing made of plastic provides resistance to mechanical damage and external factors.
• Safety: IP65 protection class guarantees protection against dust and water, minimizing the risk of failure and electric shock.
• Suitable for continuous operation: Rated continuous current of 20A allows for safe circuit loading.
• Application in various conditions: The ability to operate at temperatures from -40°C to +70°C and high resistance to vibrations and shocks (compliance with IEC 60068-2-6, IEC 60068-2-27 standards) make it an ideal solution for demanding industrial applications.
• Compliance with standards: Meets the requirements of PN-EN 60947-3 and IEC 60947-3 standards, ensuring safety and reliability.

User parameters and additional information

This switch is not only a control element but also a protection for the electrical installation. Its solid construction and high quality of workmanship guarantee long-term and trouble-free operation. Designed for indirect mounting, it offers flexibility in configuring the electrical system. This makes it an ideal choice for both professionals involved in electrical installations and end-users looking for a reliable solution to control their devices. The rated operating power for AC-3 at 400 V is 4 kW, allowing you to connect a variety of electrical receivers.