Cam switch 40A, Three-phase starter switch (0,Y,A), in OB3 enclosure. ŁK40-4.831\OB3

Rotary switch for controlling motors and electrical devices

This three-phase rotary switch with a rated current of 40A is a reliable solution for manual switching of electrical circuits. It finds application in controlling electric motors, small power transformers and other devices requiring manual switching. The design with a "0" position provides additional safety and control over the circuit.

Solid construction and high degree of protection

The housing made of durable plastic (OB3) guarantees durability and resistance to mechanical damage. The IP65 protection class protects against dust and water ingress, making it an ideal choice for applications in harsh industrial environments. Plate mounting is simple and convenient, and the complete device in the housing eliminates the need for additional mounting elements.

Functionality and technical parameters

The switch allows switching between different circuit configurations, including star-delta (0,Y,A) connection, which is particularly useful for starting motors. The rated operating power for AC-3 is 20 kW at 400V, and the rated continuous current (Iu) is 40A. The lack of normally open and normally closed auxiliary contacts simplifies installation in applications where they are not required. The connection of the main contacts is made using screw connections, ensuring a secure and durable connection of conductors with a cross-section of 4-10 mm². Mechanical endurance at 3 million switching cycles guarantees a long service life of the device.