Cam switch 25A, Dahlander's two-speed switch with reversing, in OB3 enclosure. SK25-7.8538\OB3

Dahlander Cam Switch – Versatile Load Control

This 25A cam switch, also known as a Dahlander switch, is a reliable device for controlling electric motors. It enables changing the direction of rotation and selecting two operating speeds, making it an ideal solution in applications requiring precise drive control. The Spamel product, in OB3 housing, is designed for both industrial applications and electrical installations in buildings.

Construction and application

Cam switches, such as this model, are used to switch electrical circuits on and off. The design with double cams allows for the creation of custom connection programs tailored to the specific needs of the application. This particular model, thanks to the Dahlander switch function with reversing, is used to control electric motors in machines and devices requiring a change in the direction of operation or speed adjustment. Plate mounting ensures stability and easy integration with existing systems.

Key features and benefits

• Two-speed operation with reversing capability: Provides flexibility in motor control, allowing parameters to be adjusted to specific application requirements.
• Durable construction: Made of high-quality materials, guarantees long-lasting and reliable operation even in harsh industrial conditions.
• IP65 protection: Provides protection against dust and water jets, allowing the switch to be used in various environments.
• Indirect mounting: Enables flexible mounting in various electrical installation configurations.
• Suitable for continuous operation: Rated continuous current of 25A allows for long-term operation without risk of overload.
• Wide operating temperature range: The ability to operate at temperatures from -40°C to +70°C (depending on the model) ensures reliability in various climatic conditions.
• Safety: Compliance with safety standards provides protection against short circuits and overloads.

Technical parameters (for professional users)

• Rated continuous current (Iu): 25 A
• Rated power for AC-3: 8 kW
• Short-circuit withstand current Icw(1s): 0.25 kA (for LC) / 0.5 kA (for LC15)
• Rated insulation voltage (Ui): 500 V (for LC15) / 690 V (for LC)
• Connection cable cross-section: 1.5…4 mm²
• Protection degree (IP): IP65

This cam switch is a solid and functional solution for installers and users looking for a reliable device to control electric motors. Its versatility and durability make it an investment for years to come.