Cam switch disconnector 63A, 1-0-2 switch (3-pole), in OB3 enclosure with lockable front ŁK63-3.8380\OB3Z

Universal cam switch for demanding applications

The cam switch LK63-3.8380\OB3 is a reliable device designed for safe and efficient switching of electrical circuits. Made of high-quality materials, including a durable plastic housing, it ensures long-lasting and trouble-free operation in various environmental conditions. This model, in a 3-pole version with a 0 position, is ideal for both industrial and building installations where high reliability and safety are required.

Design and operating parameters

This cam switch is distinguished by its solid construction and high electrical parameters. A rated continuous current of 63A and the ability to connect circuits with a power of up to 20 kW (AC-3, 400V) make it suitable for a wide range of applications. The IP65 protection class guarantees resistance to dust and water ingress, allowing installation in harsh environmental conditions. The connection of the main contacts is made using screw connections, which ensures a secure and durable connection of the wires.

• Durable housing: Made of plastic, it provides protection against mechanical damage and external factors.
• High resistance: IP65 protection class protects against dust and water jets - ideal for workshops or production halls.
• Safety of use: The rated insulation voltage Ui is 690V, and the impulse withstand voltage Uimp is 6kV, ensuring safe operation of the device.
• Versatility: The possibility of use in AC-3 and AC-4 circuits increases its range of use.
• Durable operation: Designed to operate in an ambient temperature from -40°C to +70°C and high mechanical durability (3 million switching cycles) guarantee a long service life of the device.
• Lockable front: Provides additional safety and protection against unauthorized access.

Application and installation

The LK63-3.8380\OB3 switch is used in various electrical installations, such as:

• Industry: Control of electric motors, switching power circuits for machines and production equipment.
• Construction: Electrical installations in public buildings, industrial halls and residential buildings.
• Energy: Low-voltage switchgear, transformer stations.
• Automation: Industrial control and automation systems.

The installation of the switch is simple and intuitive thanks to the screw connections of the main contacts. The device is designed for indirect mounting - it is important to ensure that the installation location meets the requirements for stability and safety. This model is compatible with standard mounting rails, which facilitates its integration with existing electrical installations.