Cam switch 63A, Dahlander two-speed switch, in OB3 enclosure. ŁK63-4.8390\OB3

Dahlander switch – reliable motor control

The cam switch 63A, also known as a Dahlander two-speed switch, is a robust solution for controlling electric motors. The device, enclosed in a durable OB3 housing, ensures safe and efficient operation in demanding conditions. The switch allows you to change the direction of rotation or switch to different motor speeds, making it an ideal choice for a variety of industrial and workshop applications.

Design and application

This model, catalog number ŁK63-4.8390\OB3, is a three-pole cam switch designed for surface mounting. Made of high-quality plastic, it is characterized by high resistance to mechanical damage and external factors. The IP65 protection class guarantees protection against dust and water spray, allowing it to be used both indoors and outdoors. The Dahlander switch is primarily used in electric motor starting systems, enabling smooth and controlled speed changes. Thanks to the screw connection of the main contacts, installation is simple and intuitive.

Key features and benefits

• High reliability: The design based on proven solutions ensures long-lasting and trouble-free operation of the device.
• Durable housing: The OB3 housing made of plastic protects the internal components from mechanical damage and environmental influences.
• Weather resistance: The IP65 protection class ensures safe use in harsh industrial conditions.
• Suitable for high loads: The rated continuous current of 63A and the rated operating power of 20 kW (for AC-3, 400 V) allow it to handle demanding applications.
• Versatile application: Ideal for controlling electric motors in various industries – from workshops to production plants.
• Safety of use: Provides effective protection of the electrical installation against overload and short circuit – like any switch in its class.
• Simple installation: Screw connection of the main contacts facilitates and speeds up the installation process.
• Mechanical durability: Withstands up to 3 million switching cycles, guaranteeing a long service life.

Technical parameters in practice

The Dahlander switch is characterized by high technical parameters, which translate into its performance and reliability:

• Rated continuous current (Iu): 63 A – allows connection of devices with significant power consumption.
• Rated operating power (AC-3, 400 V): 20 kW – allows efficient control of high-power motors.
• Protection class (IP): IP65 – guarantees protection against dust and water, enabling operation in difficult environmental conditions.
• Housing material: Plastic – provides lightness and resistance to corrosion and mechanical damage.

Thanks to these parameters, the Dahlander switch is an optimal solution for a wide range of industrial and workshop applications.