Cam switch disconnector 63A, 1-0-2 switch (3-pole), in OB3 enclosure with yellow/red lockable front ŁK63-3.8380\OB3ZC

Universal cam switch for demanding applications

This three-pole cam switch with a rated current of 63A is a reliable solution for switching electrical circuits. The 1-0-2 design allows for flexible power control, and the robust OB3 housing provides protection against external factors. The switch is particularly useful in applications requiring frequent load switching, as well as in industrial and construction installations.

Construction and application

The cam switch ŁK63-3.8380\OB3ZC is designed for rail mounting, offering convenient installation and a secure connection. Made of durable plastic, it is resistant to mechanical damage and ensures long-term operation. The yellow-red closed front increases safety, minimizing the risk of accidental contact with live parts. Designed for continuous operation, it is perfect for motor control systems, power distribution boards and other applications requiring reliable circuit switching.

Key features and benefits

• High mechanical resistance: The plastic housing guarantees durability and resistance to damage, which translates into a long service life.
• Safety of use: The yellow-red closed front minimizes the risk of accidental contact with live parts, ensuring safety for installers and end users.
• Flexibility of application: The 1-0-2 design enables a wide range of circuit configurations, adapting to diverse installation needs.
• Resistance to environmental conditions: The IP65 degree of protection provides protection against dust and water jets, enabling operation in harsh industrial conditions.
• High switching power: The rated operating power for AC-3 is 20 kW at 400 V, allowing it to handle even demanding loads.
• Solid connections: Screw connection of the main contacts ensures a secure and durable connection of the wires.
• Designed for continuous operation: The rated continuous current of 63 A guarantees stable operation of the device for a long time.
• Mechanical durability: Withstands up to 3 million switching cycles, guaranteeing reliable operation for a long time.

Operating parameters

The switch is characterized by high strength parameters: the short-circuit withstand current Icw(1s) is 1.2 kA, and the rated short-circuit making current Icm is 2.2 kA. The rated insulation voltage Ui is 690 V, and the rated impulse withstand voltage Uimp is 6 kV – which confirms its ability to operate in demanding network conditions. The cross-section of the connection wires is 4…10 mm², which ensures compatibility with various types of electrical installations.