Cam switch 40A, Circuit switch 0-1-2-3, panel mounting, yellow-grey knob, red ŁK40-2.8445\P04

Cam switch – reliable circuit switching

This three-pole cam switch, designed for panel mounting, offers solid and safe switching of electrical circuits. Model ŁK40-2.8445\P04 is distinguished by its high resistance to environmental conditions thanks to its IP65 protection rating, making it an ideal solution for both professional installers and end users. It ensures reliable operation in demanding industrial and commercial applications.

Functionality and application

The cam switch with a 0 position allows for safe disconnection of the load during maintenance or repair. The three-pole design allows for controlling three-phase circuits with a rated current of up to 40A. Made of durable plastic, it is resistant to mechanical damage and ensures long-term operation. The use of screw connections guarantees a secure and stable connection of the wires. The yellow-gray housing with a red knob provides easy identification and intuitive operation.

Key features and benefits

• High resistance to external factors: The IP65 protection rating protects against dust and water ingress, increasing safety and reliability in harsh working conditions.
• Designed for high-power loads: Rated power up to 20 kW at 400V allows for use in circuits powering motors, heaters and other high-power devices.
• Safety of use: The 0 position allows for complete disconnection of the circuit, ensuring safety during maintenance work.
• Durable construction: Made of high-quality plastic guarantees resistance to mechanical damage and long-term operation.
• Easy installation: Designed for indirect mounting, which simplifies installation in various applications.
• Versatility: Suitable for use in industry, construction and commercial installations.
• Adapted for frequent switching: Mechanical endurance of 3 million switching cycles ensures long life even with intensive use.
• Wide operating temperature range: The ability to operate at temperatures from -25°C to +70°C makes it suitable for use in various climates.

Technical parameters in practice

The rated continuous current of 40A means that the switch can safely handle devices drawing this current for a long time without the risk of overheating or damage. The rated insulation voltage Ui 500V provides adequate protection against electric shock. The rated short-time withstand current Icw(1s) of 0.85 kA indicates the switch's ability to withstand short-term overloads without damage. The tightening torque of the terminals 2.0 Nm guarantees a secure connection of the wires, minimizing the risk of loosening connections during operation.