Cam switch 32A, Three-phase forward/reverse switch, in OB3 enclosure. ŁK32R-5.8538\OB3

Three-phase reversing switch with direction change capability

This three-phase reversing switch, with a rated current of 32A, is a robust solution for controlling motors and other devices requiring frequent changes in direction of rotation. Equipped with a knob, it provides convenient and precise operation. The OB3 enclosure construction guarantees resistance to environmental conditions and safe use. Ideal for both industrial applications and workshops where reliability and durability are required.

Construction and application

The ŁK32R-5.8538\OB3 reversing switch is designed for frequent switching of electrical circuits, especially in applications related to electric drives. The ability to change the direction of rotation makes it an ideal choice for machines and equipment where reversing the motor's movement is required. Made of durable plastic, it provides good insulation and mechanical resistance. The IP65 protection class guarantees protection against dust and water jets, allowing it to be used in harsh conditions.

Key features and benefits

• For AC-3 loads: The rated operating power for AC-3 is 17 kW at 400V – which means it can easily handle larger industrial equipment.
• Mechanical endurance: Designed for intensive operation – withstands up to 3 million switching cycles.
• Safety: IP65 protection class protects against moisture and dust, increasing safety in demanding environments.
• Direction change: Allows easy reversal of the motor's operating direction, which is crucial in many industrial applications.
• Solid construction: The plastic housing provides durability and resistance to mechanical damage.
• Easy installation: Screw connection of the main contacts facilitates installation and connection of wires.
• Position 0: Has a clear "0" position, ensuring safe disconnection of the circuit.
• No need for additional auxiliary contacts: Lack of normally open and changeover auxiliary contacts simplifies installation and reduces costs.

Operating parameters

The rated continuous current (Iu) is 32A, ensuring safe operation of the device under standard loads. The rated short-time withstand current (I cw(1s)) is 1 kA, and the rated short-circuit making current (I cm) is 1.4 kA – which demonstrates its resistance to momentary overloads. The rated insulation voltage (Ui) is 690V and the impulse withstand voltage (Uimp) is 6kV - this ensures safe operation in various electrical installations.